10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D. C. 20549

FORM 10-Q

(Mark One)

þ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the quarterly period ended June 30, 2012

OR

¨ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

Commission file number 1-4298

COHU, INC.

(Exact name of registrant as specified in its charter)

Delaware	95-1934119
(State or other jurisdiction of incorporation or organization)	(I.R.S. Employer Identification No.)
12367 Crosthwaite Circle, Poway, California	92064-6817
(Address of principal executive offices)	(Zip Code)

Registrant’s telephone number, including area code (858) 848-8100

    Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes þ No ¨

    Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files). Yes þ No ¨

    Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, or a smaller reporting company. See the definitions of “large accelerated filer,” “accelerated filer” and “smaller reporting company” in Rule 12b-2 of the Exchange Act.

    Large accelerated filer ¨                Accelerated filer þ                Non-accelerated filer ¨                Smaller reporting company ¨

    Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Act). Yes ¨ No þ

    As of June 30, 2012 the Registrant had 24,473,068 shares of its $1.00 par value common stock outstanding.

COHU, INC.

INDEX

FORM 10-Q

JUNE 30, 2012

	Page Number
Part I Financial Information
Item 1. Financial Statements:
Condensed Consolidated Balance Sheets June 30, 2012 (unaudited) and December 31, 2011		3
Condensed Consolidated Statements of Operations (unaudited) Three and Six Months Ended June 30, 2012 and June 25, 2011		4
Condensed Consolidated Statements of Comprehensive Income (Loss) (unaudited) Three and Six Months Ended June 30, 2012 and June 25, 2011		5
Condensed Consolidated Statements of Cash Flows (unaudited) Six Months Ended June 30, 2012 and June  25, 2011		6
Notes to Unaudited Condensed Consolidated Financial Statements		7
Item 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations		16
Item 3. Quantitative and Qualitative Disclosures About Market Risk		23
Item 4. Controls and Procedures		23
Part II Other Information
Item 1. Legal Proceedings		24
Item 1A. Risk Factors		24
Item 2. Unregistered Sales of Equity Securities and Use of Proceeds		30
Item 3. Defaults Upon Senior Securities		30
Item 4. Mine Safety Disclosures		30
Item 5. Other Information		30
Item 6. Exhibits		31
Signatures		32

Item 1.

COHU, INC.

CONDENSED CONSOLIDATED BALANCE SHEETS

(in thousands, except par value)

	June 30, 2012			December 31, 2011 *
	(Unaudited)
ASSETS
Current assets:
Cash and cash equivalents	$	59,193		$	53,262
Short-term investments		47,429			51,740
Accounts receivable, net		42,190			41,922
Inventories:
Raw materials and purchased parts		45,436			47,186
Work in process		12,257			15,504
Finished goods		15,273			19,999
		72,966			82,689
Deferred income taxes		6,049			6,646
Other current assets		6,924			7,557
Total current assets		234,751			243,816
Property, plant and equipment, at cost:
Land and land improvements		11,891			12,002
Buildings and building improvements		31,416			31,190
Machinery and equipment		39,042			38,007
		82,349			81,199
Less accumulated depreciation and amortization		(46,792	)		(44,218	)
Net property, plant and equipment		35,557			36,981
Goodwill		57,106			58,060
Intangible assets, net		19,278			21,828
Other assets		1,263			923
	$	347,955		$	361,608
LIABILITIES AND STOCKHOLDERS’ EQUITY
Current liabilities:
Accounts payable	$	15,185		$	18,625
Accrued compensation and benefits		10,082			12,652
Accrued warranty		6,134			6,801
Deferred profit		4,159			2,821
Income taxes payable		3,266			2,518
Other accrued liabilities		7,606			8,454
Total current liabilities		46,432			51,871
Other accrued liabilities		5,951			5,964
Deferred income taxes		11,913			12,742
Commitments and contingencies
Stockholders’ equity:
Preferred stock, $1 par value; 1,000 shares authorized, none issued		—			—
Common stock, $1 par value; 60,000 shares authorized, 24,473 shares issued and outstanding in 2012 and 24,330 shares in 2011		24,473			24,330
Paid-in capital		80,743			77,658
Retained earnings		180,792			189,055
Accumulated other comprehensive loss		(2,349	)		(12	)
Total stockholders’ equity		283,659			291,031
	$	347,955		$	361,608

* Derived from December 31, 2011 audited financial statements.

The accompanying notes are an integral part of these statements.

3

COHU, INC.

CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS

(Unaudited)

(in thousands, except per share amounts)

	Three Months Ended					Six Months Ended
	June 30, 2012			June 25, 2011		June 30, 2012			June 25, 2011
Net sales	$	59,404		$	80,896	$	112,700		$	170,596
Cost and expenses:
Cost of sales		41,740			54,349		79,497			115,234
Research and development		8,688			9,284		17,058			18,367
Selling, general and administrative		11,041			11,434		21,917			23,524
		61,469			75,067		118,472			157,125
Income (loss) from operations		(2,065	)		5,829		(5,772	)		13,471
Interest and other, net		89			116		181			226
Income (loss) before income taxes		(1,976	)		5,945		(5,591	)		13,697
Income tax provision (benefit)		133			895		(258	)		2,073
Net income (loss)	$	(2,109	)	$	5,050	$	(5,333	)	$	11,624
Income (loss) per share:
Basic	$	(0.09	)	$	0.21	$	(0.22	)	$	0.48
Diluted	$	(0.09	)	$	0.21	$	(0.22	)	$	0.47
Weighted average shares used in computing income (loss) per share:
Basic		24,432			24,103		24,392			24,060
Diluted		24,432			24,484		24,392			24,483
Cash dividends declared per share	$	0.06		$	0.06	$	0.12		$	0.12

The accompanying notes are an integral part of these statements.

4

COHU, INC.

CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS)

(Unaudited)

(in thousands)

	Three Months Ended					Six Months Ended
	June 30, 2012			June 25, 2011		June 30, 2012			June 25, 2011
Net income (loss)	$	(2,109	)	$	5,050	$	(5,333	)	$	11,624
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustments		(4,995	)		602		(2,412	)		7,496
Adjustments related to postretirement benefits		44			32		76			18
Change in unrealized gain/loss on investments		(13	)		28		(1	)		36
Other comprehensive income (loss), net of tax		(4,964	)		662		(2,337	)		7,550
Comprehensive income (loss)	$	(7,073	)	$	5,712	$	(7,670	)	$	19,174

The accompanying notes are an integral part of these statements.

5

COHU, INC.

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS

(Unaudited)

(in thousands)

	Six Months Ended
	June 30, 2012			June 25, 2011
Cash flows from operating activities:
Net income (loss)	$	(5,333	)	$	11,624
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization		4,876			5,213
Share-based compensation expense		2,295			1,986
Deferred income taxes		(348	)		(685	)
Other accrued liabilities		99			80
Excess tax benefits from stock options exercised		—			(62	)
Changes in current assets and liabilities:
Accounts receivable		(267	)		13,473
Inventories		9,288			(14,025	)
Other current assets		593			(822	)
Accounts payable		(3,440	)		1,142
Deferred profit		1,338			(7,181	)
Income taxes payable, including excess stock option exercise benefit		747			(4,884	)
Accrued compensation, warranty and other liabilities		(4,002	)		(3,179	)
Net cash provided by operating activities		5,846			2,680
Cash flows from investing activities:
Purchases of short-term investments		(35,312	)		(33,614	)
Sales and maturities of short-term investments		39,623			33,828
Purchases of property, plant and equipment		(1,289	)		(432	)
Other assets		(99	)		(50	)
Net cash provided by (used in) investing activities		2,923			(268	)
Cash flows from financing activities:
Cash dividends		(2,920	)		(2,879	)
Issuance of stock, net of repurchases		934			1,408
Excess tax benefits from stock options exercised		—			62
Net cash used in financing activities		(1,986	)		(1,409	)
Effect of exchange rate changes on cash and cash equivalents		(852	)		2,464
Net increase in cash and cash equivalents		5,931			3,467
Cash and cash equivalents at beginning of period		53,262			45,921
Cash and cash equivalents at end of period	$	59,193		$	49,388
Supplemental disclosure of cash flow information:
Cash paid for income taxes	$	234		$	8,222
Inventory capitalized as property, plant and equipment	$	415		$	762
Dividends declared but not yet paid	$	1,468		$	1,442

The accompanying notes are an integral part of these statements.

6

Cohu, Inc.

Notes to Unaudited Condensed Consolidated Financial Statements

June 30, 2012

1. Summary of Significant Accounting Policies

Basis of Presentation

Our fiscal years are based on a 52- or 53-week period ending on the last Saturday in December. The condensed consolidated balance sheet at December 31, 2011 has been derived from our audited financial statements at that date. The interim condensed consolidated financial statements as of June 30, 2012 (also referred to as “the second quarter of fiscal 2012” and “the first six months of fiscal 2012”) and June 25, 2011 (also referred to as “the second quarter of fiscal 2011” and “the first six months of fiscal 2011”) are unaudited. However, in management’s opinion, these financial statements reflect all adjustments (consisting only of normal, recurring items) necessary to provide a fair presentation of our financial position, results of operations and cash flows for the periods presented. The three- and six-month periods ended June 30, 2012 and June 25, 2011 were each comprised of 13 and 26 weeks, respectively.

Our interim results are not necessarily indicative of the results that should be expected for the full year. For a better understanding of Cohu, Inc. and our financial statements, we recommend reading these interim condensed consolidated financial statements in conjunction with our audited financial statements for the year ended December 31, 2011, which are included in our 2011 Annual Report on Form 10-K, filed with the U. S. Securities and Exchange Commission (“SEC”). In the following notes to our interim condensed consolidated financial statements, Cohu, Inc. is referred to as “Cohu”, “we”, “our” and “us”.

Risks and Uncertainties

We are subject to a number of risks and uncertainties that may significantly impact our future operating results. These risks and uncertainties are discussed under Item 1A. “Risk Factors” included in this Form 10-Q. Understanding these risks and uncertainties is integral to the review of our interim condensed consolidated financial statements.

Concentration of Credit Risk

Financial instruments that potentially subject us to significant credit risk consist principally of cash equivalents, short-term investments and trade accounts receivable. We invest in a variety of financial instruments and, by policy, limit the amount of credit exposure with any one issuer.

Trade accounts receivable are presented net of allowance for doubtful accounts of $0.2 million and $0.5 million at June 30, 2012 and December 31, 2011, respectively. Our customers include semiconductor manufacturers and semiconductor test subcontractors and other customers located throughout many areas of the world. While we believe that our allowance for doubtful accounts is adequate and represents our best estimate at June 30, 2012, we will continue to monitor customer liquidity and other economic conditions, which may result in changes to our estimates regarding collectability.

Goodwill, Other Intangible Assets and Long-lived Assets

We evaluate goodwill for impairment annually and when an event occurs or circumstances change that indicate that the carrying value may not be recoverable. We test goodwill for impairment by first comparing the book value of net assets to the fair value of the reporting units. If the fair value is determined to be less than the book value, a second step is performed to compute the amount of impairment as the difference between the estimated fair value of goodwill and the carrying value. We estimated the fair values of our reporting units primarily using the income approach valuation methodology that includes the discounted cash flow method, taking into consideration the market approach and certain market multiples as a validation of the values derived using the discounted cash flow methodology. Forecasts of future cash flows are based on our best estimate of future net sales and operating expenses, based primarily on customer forecasts, industry trade organization data and general economic conditions.

We conduct our annual impairment test as of October 1 of each year, and have determined there is no impairment as of October 1, 2011. Other events and changes in circumstances may also require goodwill to be tested for impairment between annual measurement dates. While a decline in stock price and market capitalization is not specifically cited as a goodwill impairment indicator, a company’s stock price and market capitalization should be considered in determining whether it is more likely than not that the fair value of a reporting unit is less that its carrying value. Additionally, a significant decline in a company’s stock price may suggest that an adverse change in the business climate may have caused the fair value of one or more reporting units to fall below their carrying value. The financial and credit market volatility directly impacts our fair value measurement through our stock price that we use to

7

Cohu, Inc.

Notes to Unaudited Condensed Consolidated Financial Statements

June 30, 2012

determine our market capitalization. During times of volatility, significant judgment must be applied to determine whether credit or stock price changes are a short-term swing or a longer-term trend. As of June 30, 2012 we do not believe there have been any events or circumstances that would require us to perform an interim goodwill impairment review, however, a sustained decline in Cohu’s market capitalization below its book value could lead us to determine, in a future period, that an interim goodwill impairment review is required and may result in an impairment charge which would have a negative impact on our results from operations.

Long-lived assets, other than goodwill, are reviewed for impairment whenever events or changes in circumstances indicate that the carrying amount of the assets might not be recoverable. Conditions that would necessitate an impairment assessment include a significant decline in the observable market value of an asset, a significant change in the extent or manner in which an asset is used, or any other significant adverse change that would indicate that the carrying amount of an asset or group of assets may not be recoverable. For long-lived assets, impairment losses are only recorded if the asset’s carrying amount is not recoverable through its undiscounted, probability-weighted future cash flows. We measure the impairment loss based on the difference between the assets carrying amount and estimated fair value.

Share-Based Compensation

Share-based compensation expense related to stock options is recorded based on the fair value of the award on its grant date which we estimate using the Black-Scholes valuation model. Share-based compensation expense related to restricted stock unit awards is calculated based on the market price of our common stock on the grant date, reduced by the present value of dividends expected to be paid on our common stock prior to vesting of the restricted stock unit. Share-based compensation expense related to equity-based performance unit awards is calculated based on the market price of our common stock on the grant date and our current assessment of achievement of the performance goals. We also have an Employee Stock Purchase Plan, which enables eligible employees to purchase Cohu common stock.

Reported share-based compensation related to stock options, ESPP shares, restricted stock units, and equity-based performance units is classified, in the condensed consolidated interim financial statements, as follows (in thousands):

	Three Months Ended				Six Months Ended
	June 30, 2012		June 25, 2011		June 30, 2012		June 25, 2011
Cost of sales	$	125	$	90	$	230	$	182
Research and development		337		266		660		602
Selling, general and administrative		789		582		1,405		1,202
Total share-based compensation		1,251		938		2,295		1,986
Income tax benefit		—		—		—		—
Total share-based compensation, net of tax	$	1,251	$	938	$	2,295	$	1,986

Earnings Per Share

Basic earnings per common share is computed by dividing net income by the weighted-average number of common shares outstanding during the reporting period. Diluted earnings per share includes the dilutive effect of common shares potentially issuable upon the exercise of stock options, vesting of outstanding restricted stock units and issuance of stock under our employee stock purchase plan using the treasury stock method. In loss periods, potentially dilutive securities are excluded from the per share computations due to their anti-dilutive effect. For purposes of computing diluted income per share, stock options with exercise prices that exceed the average fair market value of our common stock for the period are excluded. For the three and six months ended June 25, 2011, options to issue approximately 2,035,000 and 1,804,000 shares of common stock were excluded from the computation, respectively.

8

Cohu, Inc.

Notes to Unaudited Condensed Consolidated Financial Statements

June 30, 2012

The following table reconciles the denominators used in computing basic and diluted earnings per share (in thousands):

	Three Months Ended				Six Months Ended
	June 30, 2012		June 25, 2011		June 30, 2012		June 25, 2011
Weighted average common shares		24,432		24,103		24,392		24,060
Effect of dilutive stock options		—		381		—		423
		24,432		24,484		24,392		24,483

Revenue Recognition

Our revenue recognition policy is disclosed in Note 1 of the Notes to Consolidated Financial Statements included in our Annual Report on Form 10-K for the year ended December 31, 2011. As more fully described in that policy, revenue from products that have not previously satisfied customer acceptance requirements is recognized upon customer acceptance. The gross profit on sales that are not recognized is generally recorded as deferred profit and reflected as a current liability in our consolidated balance sheet.

At June 30, 2012, we had deferred revenue totaling approximately $6.9 million and deferred profit of $4.2 million. At December 31, 2011, we had deferred revenue totaling approximately $6.6 million and deferred profit of $2.8 million.

Comprehensive Loss

Our accumulated other comprehensive loss balance totaled approximately $2.3 million and $12,000 at June 30, 2012 and December 31, 2011, respectively, and was attributed to all non-owner changes in stockholders’ equity and consists of, on an after-tax basis where applicable, foreign currency adjustments resulting from the translation of certain accounts into U.S. dollars where the functional currency is the Euro, unrealized gains and losses on investments and adjustments related to postretirement benefits.

Retiree Medical Benefits

We provide post-retirement health benefits to certain executives and directors under a noncontributory plan. The net periodic benefit cost incurred during the first six months of fiscal 2012 and 2011 was not significant.

Recent Accounting Pronouncements

Recently Adopted Accounting Pronouncements - In September 2011, the FASB issued guidance to amend and simplify the rules related to testing goodwill for impairment. The revised guidance allows an entity to make an initial qualitative evaluation, based on the entity’s events and circumstances, to determine whether it is more likely than not that the fair value of a reporting unit is less than its carrying amount. The results of this qualitative assessment determine whether it is necessary to perform the currently required two-step impairment test. The new guidance is effective for annual and interim goodwill impairment tests performed for fiscal years beginning after December 15, 2011. The adoption of this new guidance in the first quarter of fiscal 2012 did not have a material impact on our consolidated financial position, results of operations or cash flows.

In June 2011, the FASB issued new guidance on the presentation of comprehensive income. Specifically, the new guidance allows an entity to present components of net income and other comprehensive income in one continuous statement, referred to as the statement of comprehensive income, or in two separate, but consecutive statements. The new guidance eliminates the current option to report other comprehensive income and its components in the statement of changes in equity. While the new guidance changes the presentation of comprehensive income, there are no changes to the components that are recognized in net income or other comprehensive income under current accounting guidance. This new guidance is effective for fiscal years and interim periods beginning after December 15, 2011. The adoption of this new guidance in the first quarter of fiscal 2012 did not have a material impact on our consolidated financial position, results of operations or cash flows.

9

Cohu, Inc.

Notes to Unaudited Condensed Consolidated Financial Statements

June 30, 2012

In May 2011, the FASB issued new guidance to achieve common fair value measurement and disclosure requirements between GAAP and International Financial Reporting Standards. This new guidance amends current fair value measurement and disclosure guidance to include increased transparency around valuation inputs and investment categorization. This new guidance is effective for fiscal years and interim periods beginning after December 15, 2011. The adoption of this new guidance in the first quarter of fiscal 2012 did not have a material impact on our consolidated financial position, results of operations or cash flows.

Recently Issued Accounting Pronouncements - There have been no recent accounting pronouncements or changes to existing accounting pronouncements during the quarter ended June 30, 2012 that are of significance to Cohu.

2. Goodwill and Purchased Intangible Assets

Changes in the carrying value of goodwill by reportable segment during the year ended December 31, 2011 and the six-month period ended June 30, 2012 were as follows (in thousands):

	Semiconductor Equipment			Microwave Communications			Total Goodwill
Balance, December 25, 2010	$	55,280		$	3,218		$	58,498
Impact of currency exchange		(408	)		(30	)		(438	)
Balance, December 31, 2011		54,872			3,188			58,060
Impact of currency exchange		(888	)		(66	)		(954	)
Balance, June 30, 2012	$	53,984		$	3,122		$	57,106

Purchased intangible assets, subject to amortization are as follows (in thousands):

	June 30, 2012				December 31, 2011
	Gross Carrying Amount		Accumulated Amortization		Gross Carrying Amount		Accumulated Amortization
Rasco technology	$	30,830	$	13,729	$	31,737	$	12,149

Amortization expense related to intangible assets was approximately $1.0 million in the second quarter of fiscal 2012 and $2.0 million in the first six months of fiscal 2012. Amortization expense related to intangible assets was approximately $1.1 million in the second quarter of fiscal 2011 and $2.5 million in the first six months of fiscal 2011. The amounts included in the table above for both the periods ended June 30, 2012 and December 31, 2011 exclude approximately $2.2 million, related to the Rasco trade name which has an indefinite life and is not being amortized. Changes in the carrying values of our intangible assets are a result of continued amortization and the impact of fluctuations in currency exchange rates.

3. Cash, Cash Equivalents and Short-Term Investments

Our cash, cash equivalents, and short-term investments consisted primarily of cash, corporate debt securities, government and government-sponsored enterprise securities, state and municipal securities, money market funds and other investment grade securities. We do not hold investment securities for trading purposes. All short-term investments are classified as available-for-sale and recorded at fair value. Investment securities are exposed to market risk due to changes in interest rates and credit risk and we monitor credit risk and attempt to mitigate exposure by making high-quality investments and through investment diversification.

Gains and losses on investments are calculated using the specific-identification method and are recognized during the period in which the investment is sold or when an investment experiences an other-than-temporary decline in value. Factors that could indicate an impairment exists include, but are not limited to: earnings performance, changes in credit rating or adverse changes in the regulatory or economic environment of the asset. Gross realized gains and losses on sales of short-term investments are included in interest income. Realized gains and losses for the periods presented were not significant.

10

Cohu, Inc.

Notes to Unaudited Condensed Consolidated Financial Statements

June 30, 2012

Investments that we have classified as short-term, by security type, are as follows (in thousands):

	June 30, 2012
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses (1)		Estimated Fair Value
Corporate debt securities (2)	$	19,557	$	4	$	—	$	19,561
Municipal securities		3,470		—		—		3,470
Government-sponsored enterprise securities		22,873		27		1		22,899
Bank certificates of deposit		1,500		—		1		1,499
	$	47,400	$	31	$	2	$	47,429

	December 31, 2011
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses (1)		Estimated Fair Value
U.S. Treasury securities	$	3,258	$	9	$	—	$	3,267
Corporate debt securities (2)		22,454		6		2		22,458
Municipal securities		4,315		—		—		4,315
Government-sponsored enterprise securities		19,033		32		15		19,050
Bank certificates of deposit		2,650		—		—		2,650
	$	51,710	$	47	$	17	$	51,740

(1) As of June 30, 2012 and December 31, 2011, the cost and fair value of investments with loss positions was $5.9 million and $12.8 million, respectively. We evaluated the nature of these investments, credit worthiness of the issuer and the duration of these impairments to determine if an other-than-temporary decline in fair value had occurred and concluded that these losses were temporary.

(2) Corporate debt securities include investments in financial and corporate institutions. No single issuer represents a significant portion of the total corporate debt securities portfolio.

Effective maturities of short-term investments at June 30, 2012 and December 31, 2011, were as follows (in thousands):

	June 30, 2012				December 31, 2011
	Amortized Cost		Estimated Fair Value		Amortized Cost		Estimated Fair Value
Due in one year or less	$	33,538	$	33,550	$	44,034	$	44,079
Due after one year through two years		13,862		13,879		7,676		7,661
	$	47,400	$	47,429	$	51,710	$	51,740

Our municipal securities include variable rate demand notes which can be put (sold at par) typically on a daily basis with settlement periods ranging from the same day to one week and have varying contractual maturities through 2037. These securities can be used for short-term liquidity needs and are held for limited periods of time. At June 30, 2012 and December 31, 2011 these securities had amortized cost and fair value of $1.5 million and $1.9 million, respectively, and are included in “Due in one year or less” in the table above.

Accounting standards pertaining to fair value measurements establish a three-tier fair value hierarchy, which prioritizes the inputs used in measuring fair value. These tiers include: Level 1, defined as observable inputs such as quoted prices in active markets; Level 2, defined as inputs other than quoted prices in active markets that are either directly or indirectly observable; and Level 3, defined as unobservable inputs in which little or no market data exists, therefore requiring an entity to develop its own assumptions. When available, we use quoted market prices to determine the fair value of our investments, and they are included in Level 1. When quoted market prices are unobservable, we use quotes from independent pricing vendors based on recent trading activity and other relevant information, and they are included in Level 2.

11

Cohu, Inc.

Notes to Unaudited Condensed Consolidated Financial Statements

June 30, 2012

The following table summarizes, by major security type, our assets that are measured at fair value on a recurring basis and are categorized using the fair value hierarchy (in thousands):

	Fair value measurements at June 30, 2012 using:
	Level 1		Level 2		Level 3		Total estimated fair value
Cash	$	24,877	$	—	$	—	$	24,877
Corporate debt securities		—		21,060		—		21,060
Municipal securities		—		6,570		—		6,570
Government-sponsored enterprise securities		—		22,899		—		22,899
Money market funds		—		29,717		—		29,717
Bank certificates of deposit		—		1,499		—		1,499
	$	24,877	$	81,745	$	—	$	106,622

	Fair value measurements at December 31, 2011 using:
	Level 1		Level 2		Level 3		Total estimated fair value
Cash	$	25,359	$	—	$	—	$	25,359
U.S. Treasury securities		3,267		—		—		3,267
Corporate debt securities		—		27,208		—		27,208
Municipal securities		—		4,315		—		4,315
Government-sponsored enterprise securities		—		19,050		—		19,050
Money market funds		—		22,753		—		22,753
Bank certificates of deposit		—		3,050		—		3,050
	$	28,626	$	76,376	$	—	$	105,002

4. Employee Stock Benefit Plans

Employee Stock Purchase Plan

The Cohu, Inc. 1997 Employee Stock Purchase Plan (“the ESPP”) provides for the issuance of shares of our common stock. Under the ESPP, eligible employees may purchase shares of Cohu common stock through payroll deductions at a price equal to 85 percent of the lower of the fair market value of Cohu common stock at the beginning or end of each 6-month purchase period, subject to certain limits. During the quarter ended June 30, 2012, 68,439 shares of our common stock were purchased under the ESPP leaving 568,915 shares available for future issuance.

Stock Options

Under our equity incentive plans, stock options may be granted to employees, consultants and directors to purchase a fixed number of shares of our common stock. The exercise prices of options granted are at least equal to the fair market value of our common stock on the dates of grant. Options generally vest and become exercisable after one year or in four annual increments beginning one year after the grant date and expire ten years from the grant date. On May 9, 2012 our stockholders approved an amendment to the 2005 Equity Plan which increased the number of shares that may be issued under the Plan by 1,400,000 shares. Subsequent to this amendment, at June 30, 2012, there were 1,874,202 shares available future equity grants under the 2005 Equity Plan. We have historically issued new shares of our common stock upon share option exercise.

Subsequent to December 31, 2011, we awarded stock options covering 400,646 shares of our common stock to employees and at June 30, 2012, we had 3,216,696 stock options outstanding. These options had a weighted average exercise price of $12.59 per share, an aggregate intrinsic value of approximately $2.6 million and the weighted average remaining contractual term was approximately 5.6 years.

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Cohu, Inc.

Notes to Unaudited Condensed Consolidated Financial Statements

June 30, 2012

At June 30, 2012, we had 2,219,521 stock options outstanding that were exercisable. These options had a weighted average exercise price of $13.41 per share, an aggregate intrinsic value of $1.8 million and the weighted average remaining contractual term was approximately 4.3 years.

Restricted Stock Units

We issue restricted stock units to certain employees, consultants and directors. Restricted stock units vest over either a one-year or a four-year period from the date of grant. Prior to vesting, restricted stock units do not have dividend equivalent rights, do not have voting rights and the shares underlying the restricted stock units are not considered issued and outstanding. Shares of our common stock will be issued on the date the restricted stock units vest.

Subsequent to December 31, 2011, we awarded restricted stock units covering 432,314 shares of our common stock to employees and at June 30, 2012, we had 674,129 restricted stock units outstanding with an aggregate intrinsic value of approximately $6.8 million and the weighted average remaining vesting period was approximately 3.0 years.

Equity-Based Performance Stock Units

In March 2012, we granted equity-based performance units covering 128,916 shares of our common stock to certain employees. The number of shares of stock ultimately issued to participants will depend upon the extent to which the financial performance goals set by our Board of Directors are met. The award measurement period is based on a one-year period which ends on December 29, 2012. Based upon the level of achievement of performance goals the number of shares we will issue can range from 0% up to 150% of the number of shares under each grant which will vest over 3 years from the date of initial grant. We record a provision for equity-based performance units outstanding based on our current assessment of achievement of the performance goals. Shares of our common stock will be issued on the date the equity-based performance units vest.

5. Income Taxes

Ordinarily, interim tax provisions are calculated using the estimated effective tax rate (“ETR”) expected to be applicable for the full fiscal year. However, when a reliable estimate of the annual ETR cannot be made, the actual ETR for the year-to-date period may be the best estimate of the annual ETR. For the three and six months ended June 30, 2012 we used the actual year-to-date ETR in computing our tax provision as a reliable estimate of the annual ETR cannot be made as relatively small changes in our projected income or loss produce a significant variance in our ETR. The ETR for the three and six months ended June 25, 2011, was 15.1%. The tax provision and benefit in 2012 and 2011 differ from the U.S. federal statutory rate primarily due to the inability to benefit our domestic losses, foreign income taxed at lower rates, changes in our deferred tax asset valuation allowance, state taxes and changes and interest related to unrecognized tax benefits.

There was no material change to our unrecognized tax benefits and interest accrued related to unrecognized tax benefits during the three and six months ended June 30, 2012.

6. Industry Segments

Our reportable segments are business units that offer different products and are managed separately because each business requires different technology and marketing strategies. Our reportable segments are: semiconductor equipment, microwave communications and video cameras.

We allocate resources and evaluate the performance of segments based on profit or loss from operations, excluding interest, corporate expenses and unusual gains or losses. Intersegment sales were not significant for any period.

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Cohu, Inc.

Notes to Unaudited Condensed Consolidated Financial Statements

June 30, 2012

Financial information by industry segment is as follows (in thousands):

	Three Months Ended						Six Months Ended
	June 30, 2012			June 25, 2011			June 30, 2012			June 25, 2011
Net sales by segment:
Semiconductor equipment	$	48,604		$	69,628		$	92,277		$	149,071
Microwave communications		5,834			5,932			12,612			12,948
Video cameras		4,966			5,336			7,811			8,577
Total consolidated net sales and net sales for reportable segments	$	59,404		$	80,896		$	112,700		$	170,596
Segment profit (loss):
Semiconductor equipment	$	368		$	7,218		$	(1,339	)	$	16,206
Microwave communications		(988	)		(469	)		(863	)		(460	)
Video cameras		454			456			(182	)		273
Profit (loss) for reportable segments		(166	)		7,205			(2,384	)		16,019
Other unallocated amounts:
Corporate expenses		(1,899	)		(1,376	)		(3,388	)		(2,548	)
Interest and other, net		89			116			181			226
Income (loss) before income taxes	$	(1,976	)	$	5,945		$	(5,591	)	$	13,697

A small number of customers historically have been responsible for a significant portion of our total consolidated net sales. During the second quarter of fiscal 2012 one customer of the semiconductor equipment segment represented more than 10% of our consolidated net sales and accounted for 38% of our total consolidated net sales. For the first six months of fiscal 2012, one customer of the semiconductor equipment segment represented more than 10% of our consolidated net sales and accounted for 42% of our total consolidated net sales. During the second quarter of fiscal 2011 one customer of the semiconductor equipment segment represented more than 10% of our consolidated net sales and accounted for 30% of our total consolidated net sales. For the first six months of fiscal 2011, two customers of the semiconductor equipment segment each represented more than 10% of our consolidated net sales and, combined, they accounted for 45% of our total consolidated net sales.

7. Contingencies

From time-to-time we are involved in various legal proceedings, examinations by various tax authorities and claims that have arisen in the ordinary course of our businesses. Although the outcome of such legal proceedings, claims and examinations cannot be predicted with certainty, we do not believe any such matters exist at this time that will have a material adverse effect on our financial position or results of operations.

8. Guarantees

Our products are generally sold with warranty periods that range from 12 to 36 months following sale or acceptance. Parts and labor are covered under the terms of the warranty agreement. The warranty provision is based on historical and projected experience by product and configuration.

Changes in accrued warranty were as follows (in thousands):

	Three Months Ended						Six Months Ended
	June 30, 2012			June 25, 2011			June 30, 2012			June 25, 2011
Balance at beginning of period	$	6,727		$	6,303		$	6,801		$	5,016
Warranty expense accruals		1,148			2,178			2,813			5,449
Warranty payments		(1,741	)		(2,401	)		(3,480	)		(4,385	)
Balance at end of period	$	6,134		$	6,080		$	6,134		$	6,080

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Cohu, Inc.

Notes to Unaudited Condensed Consolidated Financial Statements

June 30, 2012

From time-to-time, during the ordinary course of business, we provide standby letters of credit for certain contingent liabilities under contractual arrangements, including customer contracts. As of June 30, 2012, the maximum potential amount of future payments that Cohu could be required to make under these standby letters of credit was approximately $0.5 million. We have not recorded any liability in connection with these guarantee arrangements beyond that required to appropriately account for the underlying transaction being guaranteed. We do not believe, based on historical experience and information currently available, that it is probable that any amounts will be required to be paid under these arrangements.

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Cohu, Inc.

Management’s Discussion and Analysis of Financial Condition and Results of Operations

June 30, 2012

This Form 10-Q contains certain forward-looking statements including expectations of market conditions, challenges and plans, within the meaning of Section 21E of the Securities Exchange Act of 1934, as amended, and is subject to the Safe Harbor provisions created by that statute. Such forward-looking statements are based on management’s current expectations and beliefs, including estimates and projections about our industries and include, but are not limited to, statements concerning financial position, business strategy, and plans or objectives for future operations. Forward-looking statements are not guarantees of future performance, and are subject to certain risks, uncertainties, and assumptions that are difficult to predict and may cause actual results to differ materially from management’s current expectations. Such risks and uncertainties include those set forth in this Quarterly Report on Form 10-Q and our 2011 Annual Report on Form 10-K under the heading “Item 1A. Risk Factors”. The forward-looking statements in this report speak only as of the time they are made, and do not necessarily reflect management’s outlook at any other point in time. We undertake no obligation to publicly update any forward-looking statements, whether as a result of new information, future events, or for any other reason, however, readers should carefully review the risk factors set forth in other reports or documents we file from time to time with the SEC after the date of this Quarterly Report.

OVERVIEW

Cohu operates in three business segments. Our primary business is the development, manufacture, sale and servicing of test handling, burn-in, thermal sub-systems and MEMS test solutions for the global semiconductor industry through our wholly-owned subsidiaries, Delta Design, Inc. and Rasco GmbH. This business is significantly dependent on capital expenditures by semiconductor manufacturers and test subcontractors, which in turn is dependent on the current and anticipated market demand for semiconductors that is subject to cyclical trends. We expect that the semiconductor equipment industry will continue to be cyclical and volatile in part because consumer electronics, the principal end market for integrated circuits, is a highly dynamic industry and demand is difficult to accurately predict. Our other businesses produce mobile microwave communications equipment (Broadcast Microwave Services, Inc.) and video cameras and accessories (Cohu Electronics Division).

Orders for semiconductor test and assembly equipment as reported by Semiconductor Equipment and Materials International (SEMI) increased sequentially each month during the first five months of 2012 until decreasing slightly in the month of June and this improvement is reflected in the orders reported by our semiconductor equipment segment which increased 44% sequentially in the second quarter of 2012. Across the industry, many believe that this growth was largely driven by the ramp of major smartphone and tablet suppliers, which is expected to slow in the second half of 2012. Recently, several semiconductor industry analysts have issued downward revisions to their estimates of 2012 semiconductor growth. Equipment utilization on customer test floors has remained relatively flat over the last several months and near-term customer forecasts are mixed as uncertain demand due to economic weakness and political uncertainty across the globe is impacting the industry. Despite this near-term uncertainty, we continue to be optimistic about the long-term prospects for the semiconductor equipment industry due to expanding applications and growing integrated circuit content in consumer, industrial and automotive applications.

Our non-semiconductor equipment businesses comprised approximately 19% of our consolidated revenues for the three-year period ended December 31, 2011 and were approximately 18% for the first six months of June 30, 2012. Our microwave communications equipment business develops, manufactures and sells mobile microwave communications equipment, antenna systems and associated equipment. These products are used in the transmission of video, audio, and telemetry. Applications for these microwave data-links include unmanned aerial vehicles (“UAVs”), public safety, security, surveillance, and electronic news gathering. Customers for these products are government agencies, public safety organizations, UAV program contractors, television broadcasters, and other commercial entities. Opportunities for our microwave communications equipment business continues to expand in the surveillance, UAV and law enforcement markets.

Our video camera segment develops, manufactures and sells a wide variety of video cameras and related products, specializing in video solutions for security, surveillance and traffic monitoring. Customers for these products are distributed among security, surveillance, traffic control/management, scientific imaging and machine vision.

Application of Critical Accounting Estimates and Policies

Our discussion and analysis of our financial condition and results of operations is based upon our consolidated financial statements, which have been prepared in accordance with accounting principles generally accepted in the United States of America. The preparation of these financial statements requires us to make estimates and judgments that affect the reported amounts of assets, liabilities, revenues and expenses, and related disclosure of contingent assets and liabilities. We base our estimates on historical experience, forecasts and on various other assumptions that are believed to be reasonable under the circumstances, however actual results may differ from those estimates under different assumptions or conditions. The methods, estimates and judgments we use in applying our accounting policies have a significant impact on the results we report in our

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Management’s Discussion and Analysis of Financial Condition and Results of Operations

June 30, 2012

financial statements. Some of our accounting policies require us to make difficult and subjective judgments, often as a result of the need to make estimates of matters that are inherently uncertain. Our most critical accounting estimates that we believe are the most important to an investor’s understanding of our financial results and condition and require complex management judgment include:

• revenue recognition, including the deferral of revenue on sales to customers, which impacts our results of operations;

• estimation of valuation allowances and accrued liabilities, specifically product warranty, inventory reserves and allowance for bad debts, which impact gross margin or operating expenses;

• the recognition and measurement of current and deferred income tax assets and liabilities, unrecognized tax benefits and the valuation allowance on deferred tax assets, which impact our tax provision;

• the assessment of recoverability of long-lived assets including goodwill and other intangible assets, which primarily impacts gross margin or operating expenses if we are required to record impairments of assets or accelerate their depreciation; and

• the valuation and recognition of share-based compensation, which impacts gross margin, research and development expense, and selling, general and administrative expense.

Below, we discuss these policies further, as well as the estimates and judgments involved. We also have other policies that we consider key accounting policies; however, these policies typically do not require us to make estimates or judgments that are difficult or subjective.

Revenue Recognition: We generally recognize revenue upon shipment and title passage for established products (i.e., those that have previously satisfied customer acceptance requirements) that provide for full payment tied to shipment. Revenue for products that have not previously satisfied customer acceptance requirements or from sales where customer payment dates are not determinable is recognized upon customer acceptance. For arrangements containing multiple elements initiated prior to December 26, 2010 the revenue relating to the undelivered elements is deferred at their estimated relative fair values until delivery of the deferred elements. For arrangements initiated or materially modified subsequent to December 26, 2010 containing multiple elements, the revenue relating to the undelivered elements is deferred using the relative selling price method utilizing estimated sales prices until delivery of the deferred elements. We limit the amount of revenue recognition for delivered elements to the amount that is not contingent on the future delivery of products or services, future performance obligations or subject to customer-specified return or adjustment.

Warranty: We provide for the estimated costs of product warranties in the period sales are recognized. Our warranty obligation estimates are affected by historical product shipment levels, product performance, and material and labor costs incurred in correcting product performance problems. Should product performance, material usage or labor repair costs differ from our estimates, revisions to the estimated warranty liability would be required.

Inventory: The valuation of inventory requires us to estimate obsolete or excess inventory as well as inventory that is not of saleable quality. The determination of obsolete or excess inventory requires us to estimate the future demand for our products. The demand forecast is a direct input in the development of our short-term manufacturing plans. We record valuation reserves on our inventory for estimated excess and obsolete inventory and lower of cost or market concerns equal to the difference between the cost of inventory and the estimated market value based upon assumptions about future product demand, market conditions and product selling prices. If future product demand, market conditions or product selling prices are less than those projected by management or if continued modifications to products are required to meet specifications or other customer requirements, increases to inventory reserves may be required which would have a negative impact on our gross margin.

Accounts Receivable: We maintain an allowance for doubtful accounts for estimated losses resulting from the inability of our customers to make required payments. If the financial condition of our customers deteriorates, resulting in an impairment of their ability to make payments, additional allowances may be required.

Income Taxes: We estimate our liability for income taxes based on the various jurisdictions where we conduct business. This requires us to estimate our (i) current taxes; (ii) temporary differences that result from differing treatment of certain items for tax and accounting purposes and (iii) unrecognized tax benefits. Temporary differences result in deferred tax assets and liabilities that are reflected in the consolidated balance sheet. The deferred tax assets are reduced by a valuation allowance if, based upon all available evidence, it is more likely than not that some or all of the deferred tax assets will not be realized. Establishing, reducing or increasing a valuation allowance in an accounting period generally results in an increase or decrease in tax expense in the statement of operations. We must make significant judgments to determine the provision for income taxes, deferred tax assets and liabilities, unrecognized tax benefits and any valuation allowance to be recorded against deferred tax assets. Our gross deferred tax asset balance as of June 30, 2012 was approximately $29.4 million, with a valuation allowance of approximately $23.4 million. Our deferred tax assets consist primarily of reserves and accruals that are not yet deductible for tax, tax credits, and net operating loss carryforwards.

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Cohu, Inc.

Management’s Discussion and Analysis of Financial Condition and Results of Operations

June 30, 2012

Goodwill, Purchased Intangible Assets and Other Long-lived Assets: We evaluate goodwill for impairment annually and when an event occurs or circumstances change that indicate that the carrying value may not be recoverable. We test goodwill for impairment by first comparing the book value of net assets to the fair value of the reporting units. If the fair value is determined to be less than the book value, a second step is performed to compute the amount of impairment as the difference between the estimated fair value of goodwill and the carrying value. We estimated the fair values of our reporting units primarily using the income approach valuation methodology that includes the discounted cash flow method, taking into consideration the market approach and certain market multiples as a validation of the values derived using the discounted cash flow methodology. Forecasts of future cash flows are based on our best estimate of future net sales and operating expenses, based primarily on customer forecasts, industry trade organization data and general economic conditions.

We conduct our annual impairment test as of October 1 of each year and have determined there is no impairment as of October 1, 2011. Other events and changes in circumstances may also require goodwill to be tested for impairment between annual measurement dates. While a decline in stock price and market capitalization is not specifically cited as a goodwill impairment indicator, a company’s stock price and market capitalization should be considered in determining whether it is more likely than not that the fair value of a reporting unit is less that its carrying value. Additionally, a significant decline in a company’s stock price may suggest that an adverse change in the business climate may have caused the fair value of one or more reporting units to fall below their carrying value. The financial and credit market volatility directly impacts our fair value measurement through our stock price that we use to determine our market capitalization. During times of volatility, significant judgment must be applied to determine whether credit or stock price changes are a short-term swing or a longer-term trend. As of June 30, 2012 we do not believe there have been any events or circumstances that would require us to perform an interim goodwill impairment review, however, a sustained decline in Cohu’s market capitalization below its book value could lead us to determine, in a future period, that an interim goodwill impairment review is required and may result in an impairment charge which would have a negative impact on our results from operations.

Long-lived assets, other than goodwill, are reviewed for impairment whenever events or changes in circumstances indicate that the carrying amount of the assets might not be recoverable. Conditions that would necessitate an impairment assessment include a significant decline in the observable market value of an asset, a significant change in the extent or manner in which an asset is used, or any other significant adverse change that would indicate that the carrying amount of an asset or group of assets may not be recoverable. For long-lived assets, impairment losses are only recorded if the asset’s carrying amount is not recoverable through its undiscounted, probability-weighted future cash flows. We measure the impairment loss based on the difference between the carrying amount and estimated fair value.

Contingencies: We are subject to certain contingencies that arise in the ordinary course of our businesses which require us to assess the likelihood that future events will confirm the existence of a loss or an impairment of an asset. If a loss or asset impairment is probable and the amount of the loss or impairment is reasonably estimable, we accrue a charge to operations in the period such conditions become known.

Share-based Compensation: Share-based compensation expense related to stock options is recorded based on the fair value of the award on its grant date which we estimate using the Black-Scholes valuation model. Share-based compensation expense related to restricted stock unit awards is calculated based on the market price of our common stock on the grant date, reduced by the present value of dividends expected to be paid on our common stock prior to vesting of the restricted stock unit.

Recent Accounting Pronouncements

For a description of accounting changes and recent accounting pronouncements, including the expected dates of adoption and estimated effects, if any, on our consolidated financial statements, see Note 1, “Recent Accounting Pronouncements” in Part I, Item 1 of this Form 10-Q.

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Cohu, Inc.

Management’s Discussion and Analysis of Financial Condition and Results of Operations

June 30, 2012

RESULTS OF OPERATIONS

The following table summarizes certain operating data as a percentage of net sales:

	Three Months Ended						Six Months Ended
	June 30, 2012			June 25, 2011			June 30, 2012			June 25, 2011
Net sales		100.0	%		100.0	%		100.0	%		100.0	%
Cost of sales		(70.3	)		(67.2	)		(70.5	)		(67.5	)
Gross margin		29.7			32.8			29.5			32.5
Research and development		(14.6	)		(11.5	)		(15.1	)		(10.8	)
Selling, general and administrative		(18.6	)		(14.1	)		(19.5	)		(13.8	)
Income (loss) from operations		(3.5	)%		7.2	%		(5.1	)%		7.9	%

Second Quarter of Fiscal 2012 Compared to Second Quarter of Fiscal 2011

Net Sales

Our consolidated net sales decreased 26.6% to $59.4 million in the second quarter of fiscal 2012, compared to $80.9 million in the same period of 2011. Sales of semiconductor equipment in the second quarter of fiscal 2012 were $48.6 million, and decreased $21.0 million or 30.2% from 2011 and represented 81.8% of consolidated net sales in 2012 versus 86.1% in 2011. Sales of our semiconductor equipment segment decreased in the second quarter of 2012 compared to the corresponding prior year period as global macro-economic weakness and political uncertainty reduced demand for semiconductors. This, in turn, resulted in higher inventory of integrated circuits leading many customers to operate at equipment utilization levels which do not require purchases of new systems.

Sales of mobile microwave communications equipment in the second quarter of fiscal 2012 were $5.8 million, representing 9.8% of consolidated net sales and decreased $0.1 million or 1.7% when compared to the same period of fiscal 2011.

Sales of video cameras in the second quarter of fiscal 2012 were $5.0 million representing 8.4% of consolidated net sales and decreased $0.4 million or 6.9% when compared to the same period of fiscal 2011.

Gross Margin

Gross margin consists of net sales less cost of sales. Cost of sales consists primarily of the cost of materials, assembly and test labor, and overhead from operations. Our gross margin can fluctuate due to a number of factors, including, but not limited to, the mix of products sold, product support costs, inventory reserve adjustments, and utilization of manufacturing capacity. Our gross margin, as a percentage of net sales, decreased to 29.7% in the second quarter of fiscal 2012 from 32.8% in the same period of 2011. Our gross margin decreased compared to the prior year as a result of inefficiencies associated with lower levels of production caused by decreased business volume.

Our gross margin is also impacted by charges to cost of sales related to excess, obsolete and lower of cost or market inventory adjustments. We compute the majority of our excess and obsolete inventory reserve requirements using a one-year inventory usage forecast. During the second quarter of both fiscal 2012 and 2011, we recorded net charges to cost of sales of approximately $1.5 million for excess and obsolete inventory. While we believe our reserves for excess and obsolete inventory and lower of cost or market concerns are adequate to cover known exposures at June 30, 2012, reductions in customer forecasts or continued modifications to products, as a result of our failure to meet specifications or other customer requirements, may result in additional charges to operations that could negatively impact our gross margin in future periods.

Research and Development Expense (“R&D Expense”)

R&D expense consists primarily of salaries and related costs of employees engaged in ongoing research, product design and development activities, costs of engineering materials and supplies, and professional consulting expenses. R&D expense as a percentage of net sales increased to 14.6% in the second quarter of fiscal 2012 from 11.5% in the same period of 2011 as a result of the decrease in business volume. In absolute dollars, R&D expense decreased to $8.7 million in 2012 from $9.3 million in 2011 due to reduced labor and material costs within our semiconductor equipment segment.

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Management’s Discussion and Analysis of Financial Condition and Results of Operations

June 30, 2012

Selling, General and Administrative Expense (“SG&A Expense”)

SG&A expense consists primarily of salaries and benefit costs of employees, commission expense for independent sales representatives, product promotion and costs of professional services. SG&A expense as a percentage of net sales increased to 18.6% or $11.0 million in the second quarter of fiscal 2012, from 14.1% or $11.4 million in the same period of 2011 as a result of the decrease in business volume.

Interest and other, net

Interest and other, net was approximately $0.1 million in the second quarter of both fiscal 2012 and 2011.

Income Taxes

Ordinarily, interim tax provisions are calculated using the estimated effective tax rate (“ETR”) expected to be applicable for the full fiscal year. However, when a reliable estimate of the annual ETR cannot be made, the actual ETR for the year-to-date period may be the best estimate of the annual ETR. For the three months ended June 30, 2012 we used the actual year-to-date ETR in computing our tax provision as a reliable estimate of the annual ETR cannot be made as relatively small changes in our projected income or loss produce a significant variance in our ETR. The ETR for the three months ended June 25, 2011, was 15.1%. The tax provision in 2012 and 2011 differs from the U.S. federal statutory rate primarily due to the inability to benefit our domestic losses, foreign income taxed at lower rates, changes in our deferred tax asset valuation allowance, state taxes and changes and interest related to unrecognized tax benefits.

There was no material change to our unrecognized tax benefits and interest accrued related to unrecognized tax benefits during the three months ended June 30, 2012.

As a result of the factors set forth above, our net loss in the second quarter of fiscal 2012 was $2.1 million compared to net income of $5.1 million in the same period of 2011.

First Six Months of Fiscal 2012 Compared to First Six Months of Fiscal 2011

Net Sales

Our consolidated net sales decreased 33.9% to $112.7 million in the first six months of fiscal 2012, compared to $170.6 million in the same period of 2011. Sales of semiconductor equipment in the first six months of fiscal 2012 were $92.3 million, and decreased $56.8 million or 38.1% from 2011 and represented 81.9% of consolidated net sales in 2012 versus 87.4% in 2011. Sales of our semiconductor equipment segment decreased in the first six months of 2012 due to global macro-economic weakness and political uncertainty resulting in reduced demand for semiconductors. This, in turn, resulted in higher inventory of integrated circuits leading many customers to operate at equipment utilization levels which do not require purchases of new systems.

Sales of mobile microwave communications equipment in the first six months of fiscal 2012 were $12.6 million, representing 11.2% of consolidated net sales, and decreased $0.3 million or 2.6% when compared to the same period of fiscal 2011.

Sales of video cameras in the first six months of fiscal 2012 were $7.8 million, representing 6.9% of consolidated net sales, a decrease of $0.8 million or 8.9% when compared to the same period of fiscal 2011. The decrease in business volume within our video camera segment resulted primarily from delays in obtaining customer orders for equipment to be used in traffic related public infrastructure projects.

Gross Margin

Our gross margin, as a percentage of net sales, decreased to 29.5% in the first six months of fiscal 2012 from 32.5% in the same period of 2011. Our gross margin decreased compared to the prior year as a result of unfavorable product mix and inefficiencies associated with lower levels of production caused by decreased business volume.

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Management’s Discussion and Analysis of Financial Condition and Results of Operations

June 30, 2012

During the first six months of fiscal 2012 and 2011 we recorded net charges to cost of sales of approximately $2.8 million and $2.7 million for excess and obsolete inventory, respectively.

R&D Expense

R&D expense as a percentage of net sales was 15.1% in the first six months of fiscal 2012, compared to 10.8% in the same period of 2011. In absolute dollars, R&D expense decreased to $17.1 million in 2012 from $18.4 million in 2011 as a result of decreased labor and material costs related to product development within our semiconductor equipment segment.

SG&A Expense

As a result of the decrease in business volume in the first six months of fiscal 2012, SG&A expense as a percentage of net sales increased to 19.5% in 2012, from 13.8% in 2011. In absolute dollars, SG&A expense decreased to $21.9 million in the first six months of fiscal 2012 from $23.5 million in the same period of 2011 due primarily to decreased variable selling expenses.

Interest and other, net

Interest and other, net was approximately $0.2 million in both the first six months of fiscal 2012 and 2011, respectively.

Income Taxes

For the six months ended June 30, 2012 we used the actual year-to-date ETR in computing our tax provision as a reliable estimate of the annual ETR cannot be made as relatively small changes in our projected income or loss produce a significant variance in our ETR. The ETR for the six months ended June 25, 2011, was 15.1%. The tax provision and benefit in 2012 and 2011 differ from the U.S. federal statutory rate primarily due to the inability to benefit our domestic losses, foreign income taxed at lower rates, changes in our deferred tax asset valuation allowance, state taxes and changes and interest related to unrecognized tax benefits.

There was no material change to our unrecognized tax benefits and interest accrued related to unrecognized tax benefits during the six months ended June 30, 2012.

As a result of the factors set forth above, our net loss in first six months of 2012 was $5.3 million, compared to net income of $11.6 million in the same period of 2011.

LIQUIDITY AND CAPITAL RESOURCES

Our business is dependent on capital expenditures by semiconductor manufacturers and test subcontractors that are, in turn, dependent on the current and anticipated market demand for semiconductors. The cyclical and volatile nature of demand for semiconductor equipment, our primary industry, makes estimates of future revenues, results of operations and net cash flows difficult.

Our primary historical source of liquidity and capital resources has been cash flow generated by our operations and we manage our businesses to maximize operating cash flows as our primary source of liquidity. We use cash to fund growth in our operating assets and to fund new products and product enhancements primarily through research and development. At June 30, 2012, $24.6 million of our cash and cash equivalents was held by our foreign subsidiaries. If these funds are needed for our operations in the U.S., we may be required to accrue and pay U.S. taxes if we repatriate these funds. Our intent is to indefinitely reinvest these funds in our foreign operations and we have no current plans that would require us to repatriate these funds to the U.S.

Liquidity

Working Capital: The following summarizes our cash, cash equivalents, short-term investments and working capital:

(in thousands)	June 30, 2012		December 31, 2011		Increase (Decrease)			Percentage Change
Cash, cash equivalents and short-term investments	$	106,622	$	105,002	$	1,620			1.5	%
Working capital	$	188,319	$	191,945	$	(3,626	)		(1.9	)%

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Cohu, Inc.

Management’s Discussion and Analysis of Financial Condition and Results of Operations

June 30, 2012

Cash Flows

Operating Activities: Operating cash flows consist of net income (loss), adjusted for non-cash expenses and changes in operating assets and liabilities. Non-cash items include depreciation and amortization, non-cash share-based compensation expense and deferred income taxes. Our net cash provided by operating activities in the first six months of fiscal 2012 totaled $5.8 million. Cash provided by operating activities was impacted by changes in current assets and liabilities and included decreases in inventories, accounts payable and accrued compensation, warranty and other liabilities of $9.3 million, $3.4 million and $4.0 million, respectively, and an increase in deferred profit of $1.3 million. The decrease in inventories was primarily driven by shipments of capital equipment and improved inventory and supply chain management by our semiconductor equipment segment. The decrease in accounts payable resulted from decreased business volume and the timing of cash disbursements and the decrease in accrued compensation and other liabilities was primarily a result of the payment of 2011 incentive compensation in 2012. The increase in deferred profit was a result of revenue deferrals within our microwave communications equipment segment.

Investing Activities: Investing cash flows consist primarily of cash used for capital expenditures in support of our businesses, proceeds from investment maturities, asset disposals and divestitures, and cash used for purchases of investments and business acquisitions. Our net cash provided by investing activities in the first six months of fiscal 2012 totaled $2.9 million and was primarily the result of $39.6 million in net proceeds from sales and maturities of short-term investments offset by $35.3 million in cash used for purchases of short-term investments. We invest our excess cash, in an attempt to seek the highest available return while preserving capital, in short-term investments since excess cash is only temporarily available and may be required for a business-related purpose. Additions to property, plant and equipment in the first six months of fiscal 2012 were $1.3 million and were made to support the operating and development activities of our semiconductor equipment and microwave communication businesses.

Financing Activities: Cash flows from financing activities consist primarily of net proceeds from the issuance of common stock under our stock option and employee stock purchase plans and cash used to pay dividends to our stockholders. We issue stock options and maintain an employee stock purchase plan as components of our overall employee compensation. In the first six months of fiscal 2012, we generated $0.9 million issuing common stock under our employee stock plans and we paid dividends totaling $2.9 million, or $0.12 per common share. Future quarterly dividends are subject to our cash liquidity, capital availability and periodic determinations by our Board of Directors that cash dividends are in the best interests of our stockholders.

Capital Resources

We have a secured letter of credit facility (the “Secured Facility”) under which Bank of America, N.A., has agreed to administer the issuance of letters of credit on behalf of Cohu and our subsidiaries. The Secured Facility requires us to maintain deposits of cash or other approved investments, which serve as collateral, in amounts that approximate our outstanding letters of credit. As of June 30, 2012, we had approximately $0.5 million of standby letters of credit outstanding. We expect that we will continue to make capital expenditures to support our business and we anticipate that present working capital will be sufficient to meet our operating requirements for at least the next twelve months.

Contractual Obligations and Off-Balance Sheet Arrangements

Contractual Obligations: Our significant contractual obligations consist of operating leases that have not changed materially from those disclosed in our Annual Report on Form 10-K for the year ended December 31, 2011.

Purchase Commitments: From time to time, we enter into commitments with our vendors and outsourcing partners to purchase inventory at fixed prices or in guaranteed quantities. We are not able to determine the aggregate amount of such purchase orders that represent contractual obligations, as purchase orders may represent authorizations to purchase rather than binding agreements. Our purchase orders are based on our current manufacturing needs and are fulfilled by our vendors within relatively short time horizons. We typically do not have significant agreements for the purchase of raw materials or other goods specifying minimum quantities or set prices that exceed our expected requirements for the next three months.

Off-Balance Sheet Arrangements: During the ordinary course of business, we provide standby letters of credit instruments to certain parties as required. As of June 30, 2012, the maximum potential amount of future payments that we could be required to make under these standby letters of credit was approximately $0.5 million. No liability has been recorded in connection with these arrangements beyond those required to appropriately account for the underlying transaction being guaranteed. We do not believe, based on historical experience and information currently available, that it is probable that any amounts will be required to be paid under these arrangements.

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Item 3. Quantitative and Qualitative Disclosures About Market Risk.

Investment and Interest Rate Risk.

At June 30, 2012, our investment portfolio included short-term, fixed-income investment securities with a fair value of approximately $47.4 million. These securities are subject to interest rate risk and will likely decline in value if interest rates increase. Our future investment income may fall short of expectations due to changes in interest rates or we may suffer losses in principal if we are forced to sell securities that decline in market value due to changes in interest rates. As we classify our short-term securities as available-for-sale, no gains or losses are recognized due to changes in interest rates unless such securities are sold prior to maturity or declines in fair value are determined to be other-than-temporary. Due to the relatively short duration of our investment portfolio, an immediate ten percent change in interest rates would have no material impact on our financial condition or results of operations.

We evaluate our investments periodically for possible other-than-temporary impairment by reviewing factors such as the length of time and extent to which fair value has been below cost basis, the financial condition of the issuer and our ability and intent to hold the investment for a period of time sufficient for anticipated recovery of market value. As of June 30, 2012, we evaluated our investments with loss positions and determined that these losses were temporary.

Foreign Currency Exchange Risk.

We conduct business on a global basis in a number of major international currencies. As such, we are exposed to adverse as well as beneficial movements in foreign currency exchange rates. The majority of our sales are denominated in U.S. dollars except for certain of our revenues that are denominated in Euros. Certain expenses incurred by our non-U.S. operations, such as employee payroll and benefits as well as some raw materials purchases and other expenses are denominated and paid in local currency.

We considered a hypothetical ten percent adverse movement in foreign exchange rates to the underlying exposures described above and believe that such a market movement would not have a material effect on our consolidated financial position, results of operations or cash flows.

Item 4. Controls and Procedures.

(a) Evaluation of Disclosure Controls and Procedures. Under the supervision and with the participation of our management, including our principal executive officer and principal financial officer, we evaluated the effectiveness of our disclosure controls and procedures, as such term is defined in Rules 13a-15(e) and 15d-15(e) promulgated under the Securities Exchange Act of 1934, as amended. Based on this evaluation, our principal executive officer and principal financial officer concluded that our disclosure controls and procedures were effective as of the end of the period covered by this quarterly report.

It should be noted that any system of controls, however well designed and operated, can provide only reasonable, and not absolute, assurance that the objectives of the system are met. In addition, the design of any control system is based in part upon certain assumptions about the likelihood of future events. Because of these and other inherent limitations of control systems, there can be no assurance that any design will succeed in achieving its stated goals under all potential future conditions, regardless of how remote. Our disclosure controls and procedures are designed to provide reasonable assurance of achieving their objectives and our principal executive officer and principal financial officer concluded that our disclosure controls and procedures were effective at the reasonable assurance level.

(b) Changes in Internal Controls. During the last fiscal quarter, there have been no changes in our internal control over financial reporting that have materially affected, or are reasonably likely to materially affect, our internal control over financial reporting.

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Part II OTHER INFORMATION

Item 1. Legal Proceedings.

The information set forth above under Note 7 contained in the “Notes to Unaudited Condensed Consolidated Financial Statements” of this Form 10-Q is incorporated herein by reference.

Item 1A. Risk Factors.

The risks described below may not be the only risks we face. Additional risks that we do not currently believe are material may also impair our business operations. There have been no material changes to the risk factors previously disclosed in our 2011 Form 10-K. If any of the events or circumstances described in the following risks occur, our business, financial condition, results of operations or cash flows could suffer, and the trading price of our common stock and our market capitalization could decline.

The semiconductor industry we serve is highly volatile and unpredictable.

Visibility into our markets is limited. Our operating results are substantially dependent on our semiconductor equipment business. This capital equipment business is in turn highly dependent on the overall strength of the semiconductor industry. Historically, the semiconductor industry has been highly cyclical with recurring periods of oversupply and excess capacity, which often have had a significant effect on the semiconductor industry’s demand for capital equipment, including equipment of the type we manufacture and market. We anticipate that the markets for newer generations of semiconductors and semiconductor equipment may also be subject to similar cycles and severe downturns. Any significant reductions in capital equipment investment by semiconductor manufacturers and semiconductor test subcontractors will materially and adversely affect our business, financial position and results of operations. In addition, the volatile and unpredictable nature of semiconductor equipment demand has in the past and may in the future expose us to significant excess and obsolete and lower of cost or market inventory write-offs and reserve requirements. During the second quarter of fiscal 2012, we recorded net charges to cost of sales of approximately $1.5 million, for excess and obsolete inventory. In the fiscal years ended in 2011, 2010 and 2009, we recorded pre-tax inventory-related charges of approximately $5.8 million, $1.7 million, and $4.4 million, respectively.

The semiconductor equipment industry in general and the test handler market in particular, is highly competitive.

The semiconductor test handler industry is intensely competitive and we face substantial competition from numerous companies throughout the world. The test handler industry, while relatively small in terms of worldwide market size compared to other segments of the semiconductor equipment industry, has an inordinately large number of participants resulting in intense competitive pricing pressures. Future competition may include companies that do not currently supply test handlers. Some of our competitors have substantially greater financial, engineering, manufacturing and customer support capabilities and provide more extensive product offerings. In addition, there are emerging semiconductor equipment companies that provide or may provide innovative technology incorporated in products that may compete successfully against our products. We expect our competitors to continue to improve the design and performance of their current products and introduce new products with improved performance capabilities. Our failure to introduce new products in a timely manner, the introduction by our competitors of products with perceived or actual advantages, or disputes over rights to use certain intellectual property or technology could result in a loss of our competitive position and reduced sales of, or margins on our existing products. We believe that competitive conditions in the semiconductor test handler market have intensified over the last several years. This intense competition has adversely impacted our product average selling prices and gross margins on certain products. If we are unable to reduce the cost of our existing products and successfully introduce new lower cost products we expect these competitive conditions to negatively impact our gross margin and operating results in the foreseeable future.

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Semiconductor equipment is subject to rapid technological change, product introductions and transitions may result in inventory write-offs and our new product development involves numerous risks and uncertainties.

Semiconductor equipment and processes are subject to rapid technological change. We believe that our future success will depend in part on our ability to enhance existing products and develop new products with improved performance capabilities. We expect to continue to invest heavily in research and development and must manage product transitions successfully, as introductions of new products, including the products obtained in our acquisitions, may adversely impact sales and/or margins of existing products. In addition, the introduction of new products by us or by our competitors, the concentration of our revenues in a limited number of large customers, the migration to new semiconductor testing methodologies and the custom nature of our inventory parts increases the risk that our established products and related inventory may become obsolete, resulting in significant excess and obsolete inventory exposure. This increased exposure resulted in significant charges to operations during each of the years in the three-year period ended December 31, 2011. Future inventory write-offs and increased inventory reserve requirements could have a material adverse impact on our results of operations and financial condition.

The design, development, commercial introduction and manufacture of new semiconductor equipment is an inherently complex process that involves a number of risks and uncertainties. These risks include potential problems in meeting customer acceptance and performance requirements, integration of the equipment with other suppliers’ equipment and the customers’ manufacturing processes, transitioning from product development to volume manufacturing and the ability of the equipment to satisfy the semiconductor industry’s constantly evolving needs and achieve commercial acceptance at prices that produce satisfactory profit margins. The design and development of new semiconductor equipment is heavily influenced by changes in integrated circuit assembly, test and final manufacturing processes and integrated circuit package design changes. We believe that the rate of change in such processes and integrated circuit packages is accelerating. As a result of these changes and other factors, assessing the market potential and commercial viability of handling and burn-in test equipment is extremely difficult and subject to a great deal of risk. In addition, not all integrated circuit manufacturers employ the same manufacturing processes. Differences in such processes make it difficult to design standard test products that are capable of achieving broad market acceptance. As a result, we might not accurately assess the semiconductor industry’s future equipment requirements and fail to design and develop products that meet such requirements and achieve market acceptance. Failure to accurately assess customer requirements and market trends for new semiconductor test products may have a material adverse impact on our operations, financial condition and results of operations.

The transition from product development to the manufacture of new semiconductor equipment is a difficult process and delays in product introductions and problems in manufacturing such equipment are common. We have in the past and may in the future experience difficulties in manufacturing and volume production of our new equipment. In addition, as is common with semiconductor equipment, our after sale support and warranty costs have typically been significantly higher with new products than with our established products. Future technologies, processes and product developments may render our current or future product offerings obsolete and we might not be able to develop, introduce and successfully manufacture new products or make enhancements to our existing products in a timely manner to satisfy customer requirements or achieve market acceptance. Furthermore, we might not realize acceptable profit margins on such products.

Global economic conditions may have an impact on our business and financial condition in ways that we currently cannot predict.

Our operations and financial results depend on worldwide economic conditions and their impact on levels of business spending, which have deteriorated significantly in many countries and regions and may remain depressed for the foreseeable future. Continued uncertainties may reduce future sales of our products and services. While we believe we have a strong customer base and have experienced strong collections in the past, if the current market conditions deteriorate, we may experience increased collection times and greater write-offs, either of which could have a material adverse effect on our cash flow.

In addition, the tightening of credit markets and concerns regarding the availability of credit may make it more difficult for our customers to raise capital, whether debt or equity, to finance their purchases of capital equipment, including the products we sell. Delays in our customers’ ability to obtain such financing, or the unavailability of such financing, would adversely affect our product sales and revenues and therefore harm our business and operating results. We cannot predict the timing, duration of or effect on our business of the economic slowdown or the timing or strength of a subsequent recovery.

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A limited number of customers account for a substantial percentage of our net sales.

A small number of customers of our semiconductor equipment segment have been responsible for a significant portion of our net sales. During the first six months ended June 30, 2012, one customer of the semiconductor equipment segment represented more than 10% of consolidated net sales and accounted for 42% of our total consolidated net sales. During the past five years, the percentage of our sales derived from our significant customers has varied greatly. Such variations are due to changes in the customers’ business and their purchase of products from our competitors. It is common in the semiconductor test handler industry for customers to purchase equipment from more than one equipment supplier, increasing the risk that our competitive position with a specific customer may deteriorate. No assurance can be given that we will continue to maintain our competitive position with these or other significant customers. Furthermore, we expect the percentage of our revenues derived from significant customers will vary greatly in future periods. The loss of, or a significant reduction in, orders by these or other significant customers as a result of competitive products, market conditions, outsourcing final semiconductor test to test subcontractors that are not our customers or other factors, would have a material adverse impact on our business, financial condition and results of operations. Furthermore, the concentration of our revenues in a limited number of large customers is likely to cause significant fluctuations in our future annual and quarterly operating results.

We do not participate in the DRAM test handler market.

Pick-and-place handlers used in DRAM applications account for a significant portion of the worldwide test handler market. We do not participate in the DRAM market segment; therefore our total available sales market is limited.

If we cannot continue to develop, manufacture and market products and services that meet customer requirements for innovation and quality, our revenue and gross margin may suffer.

The process of developing new high technology products and services and enhancing existing products and services is complex, costly and uncertain, and any failure by us to anticipate customers’ changing needs and emerging technological trends accurately could significantly harm our market share and results of operations. In addition, in the course of conducting our business, we must adequately address quality issues associated with our products and services, including defects in our engineering, design and manufacturing processes, as well as defects in third-party components included in our products. In order to address quality issues, we work extensively with our customers and suppliers and engage in product testing to determine the cause of quality problems and to determine appropriate solutions. Finding solutions to quality issues can be expensive and may result in additional warranty, replacement and other costs, adversely affecting our profits. In addition, quality issues can impair our relationships with new or existing customers and adversely affect our reputation, which could lead to a material adverse effect on our operating results.

The cyclical nature of the semiconductor equipment industry places enormous demands on our employees, operations and infrastructure.

The semiconductor equipment industry is characterized by dramatic and sometimes volatile changes in demand for its products. Changes in product demand result from a number of factors including the semiconductor industry’s continually changing and unpredictable capacity requirements and changes in integrated circuit design and packaging. Sudden changes in demand for semiconductor equipment have a significant impact on our operations. Typically, we reduce and increase our workforce, particularly in manufacturing, based on customer demand for our products. These changes in workforce levels place enormous demands on our employees, operations and infrastructure since newly hired personnel rarely possess the expertise and level of experience of current employees. Additionally, these transitions divert management time and attention from other activities and adversely impact employee morale. We have in the past and may in the future experience difficulties, particularly in manufacturing, in training and recruiting the large number of additions to our workforce. The volatility in headcount and business levels, combined with the cyclical nature of the semiconductor industry, may require that we invest substantial amounts in new operational and financial systems, procedures and controls. We may not be able to successfully adjust our systems, facilities and production capacity to meet our customers’ changing requirements. The inability to meet such requirements will have an adverse impact on our business, financial position and results of operations.

We utilize contract manufacturers and changes to those relationships, expected or unexpected, may result in delays or disruptions that could cause us to lose revenue and damage our customer relationships.

Our reliance on contract manufacturers gives us less control over the manufacturing process and exposes us to significant risks, including limited control over capacity, late delivery, quality and costs. In addition, it is time consuming and costly to qualify and implement additional contract manufacturer relationships. Therefore, if we should fail to effectively manage our contract manufacturer relationships or if one or more of them should

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experience delays, disruptions or quality control problems, or if we had to change or add additional contract manufacturers or contract manufacturing sites, our ability to ship products to our customers could be delayed. Also, the addition of manufacturing locations or contract manufacturers may increase the complexity of our supply chain management. We cannot be certain that existing or future contract manufacturers will be able to manufacture our products on a timely and cost-effective basis, or to our quality and performance specifications. If our contract manufacturers are unable to meet our manufacturing requirements in a timely manner, our ability to ship products and to realize the related revenues when anticipated could be materially affected.

The loss of key personnel could adversely impact our business.

Certain key personnel are critical to our business. Our future operating results depend substantially upon the continued service of our key personnel, many of whom are not bound by employment or non-competition agreements. Our future operating results also depend in significant part upon our ability to attract and retain qualified management, manufacturing, technical, engineering, marketing, sales and support personnel. Competition for qualified personnel, particularly those with technical skills, is intense, and we cannot ensure success in attracting or retaining qualified personnel. In addition, the cost of living in the San Diego, California area, where the majority of our personnel are located, is very high and we have had difficulty in recruiting prospective employees from other locations. There may be only a limited number of persons with the requisite skills and relevant industry experience to serve in these positions and it may become increasingly difficult for us to hire personnel over time. Our business, financial condition and results of operations could be materially adversely affected by the loss of any of our key employees, by the failure of any key employee to perform in his or her current position, or by our inability to attract and retain skilled employees.

We are exposed to the risks of operating a global business.

We are a global corporation with offices and subsidiaries in certain foreign locations to support our sales and services to the global semiconductor industry and, as such, we face risks in doing business abroad that we do not face domestically. Certain aspects inherent in transacting business internationally could negatively impact our operating results, including:

• costs and difficulties in staffing and managing international operations;

• unexpected changes in regulatory requirements;

• difficulties in enforcing contractual and intellectual property rights;

• longer payment cycles;

• local political and economic conditions;

• potentially adverse tax consequences, including restrictions on repatriating earnings and the threat of “double taxation”; and

• fluctuations in currency exchange rates, which can affect demand and increase our costs.

Additionally, managing geographically dispersed operations presents difficult challenges associated with organizational alignment and infrastructure, communications and information technology, inventory control, customer relationship management, terrorist threats and related security matters and cultural diversities. If we are unsuccessful in managing such operations effectively, our business and results of operations will be adversely affected.

Failure of critical suppliers to deliver sufficient quantities of parts in a timely and cost-effective manner could adversely impact our operations.

We use numerous vendors to supply parts, components and subassemblies for the manufacture of our products. It is not always possible to maintain multiple qualified suppliers for all of our parts, components and subassemblies. As a result, certain key parts may be available only from a single supplier or a limited number of suppliers. In addition, suppliers may cease manufacturing certain components that are difficult to replace without significant reengineering of our products. On occasion, we have experienced problems in obtaining adequate and reliable quantities of various parts and components from certain key suppliers. Our results of operations may be materially and adversely impacted if we do not receive sufficient parts to meet our requirements in a timely and cost effective manner.

We are exposed to risks associated with acquisitions, investments and divestitures.

We have made, and may in the future make, acquisitions of, or significant investments in, businesses with complementary products, services and/or technologies. Acquisitions and investments involve numerous risks, including, but not limited to:

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• difficulties and increased costs in connection with integration of the personnel, operations, technologies and products of acquired businesses;

• increasing the scope, geographic diversity and complexity of our business;

• diversion of management’s attention from other operational matters;

• the potential loss of key employees or customers of Cohu or acquired businesses;

• lack of synergy, or the inability to realize expected synergies, resulting from the acquisition;

• failure to commercialize purchased technology; and

• the impairment of acquired intangible assets and goodwill that could result in significant charges to operating results in future periods.

We may be required to finance future acquisitions and investments through a combination of borrowings, proceeds from equity or debt offerings and the use of cash, cash equivalents and short term investments.

With respect to divestitures, we may divest businesses that do not meet our strategic objectives, or do not meet our growth or profitability targets and may not be able to complete proposed divestitures on terms commercially favorable to us.

Mergers, acquisitions and investments are inherently risky and the inability to effectively manage these risks could materially and adversely affect our business, financial condition and results of operations. At June 30, 2012 we had goodwill and net purchased intangible assets balances of $57.1 million and $19.3 million, respectively.

Third parties may violate our proprietary rights or accuse us of infringing upon their proprietary rights.

We rely on patent, copyright, trademark and trade secret laws to establish and maintain proprietary rights in our technology and products. Any of our proprietary rights may expire due to patent life, or be challenged, invalidated or circumvented. In addition, from time to time, we receive notices from third parties regarding patent or copyright claims. Any such claims, with or without merit, could be time-consuming to defend, result in costly litigation, divert management’s attention and resources and cause us to incur significant expenses. In the event of a successful claim of infringement against us and our failure or inability to license the infringed technology or to substitute similar non-infringing technology, our business, financial condition and results of operations could be adversely affected.

A majority of our revenues are generated from exports to foreign countries, primarily in Asia, that are subject to economic and political instability and we compete against a number of Asian test handling equipment suppliers.

The majority of our export sales are made to destinations in Asia. Political or economic instability, particularly in Asia, may adversely impact the demand for capital equipment, including equipment of the type we manufacture and market. In addition, we face intense competition from a number of Asian suppliers that have certain advantages over U.S. suppliers, including us. These advantages include, among other things, proximity to customers, favorable tariffs and affiliation with significantly larger organizations. In addition, changes in the amount or price of semiconductors produced in Asia could impact the profitability or capital equipment spending programs of our foreign and domestic customers.

The occurrence of natural disasters in Asia and geopolitical instability caused by terrorist attacks and other threats may adversely impact our operations and sales.

Our Asian sales and service headquarters is located in Singapore and the majority of our sales are made to destinations in Asia. In addition, we have a location in the Philippines which fabricates certain component parts used in our products. These regions are known for being vulnerable to natural disasters and other risks, such as earthquakes, tsunamis, fires, and floods, which at times have disrupted the local economies. A significant earthquake or tsunami could materially affect operating results. We are not insured for most losses and business interruptions of this kind, and do not presently have redundant, multiple site capacity in the event of a natural disaster. In the event of such disaster, our business would suffer. Furthermore, we have customers throughout the Middle East and terrorist attacks, protests or other threats in this region may cause geopolitical instability which may have an adverse impact on our business, results of operations and financial condition.

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Compliance with regulations may impact sales to foreign customers.

Certain products and services that we offer require compliance with United States export and other regulations. Compliance with complex U.S. laws and regulations that apply to our international sales activities increases our cost of doing business in international jurisdictions and could expose us or our employees to fines and penalties. These laws and regulations include import and export requirements, the U.S. State Department International Traffic in Arms Regulations (ITAR) and U.S. laws such as the Foreign Corrupt Practices Act (FCPA), and local laws prohibiting corrupt payments to governmental officials. Violations of these laws and regulations could result in fines, criminal sanctions against us, our officers or our employees, prohibitions on the conduct of our business and damage to our reputation. Although we have implemented policies and procedures designed to ensure compliance with these laws, there can be no assurance that our employees, contractors or agents will not violate our policies, or that our policies will be effective in preventing all potential violations. Any such violations could include prohibitions on our ability to offer our products and services to one or more countries, and could also materially damage our reputation, our brand, our international expansion efforts, our ability to attract and retain employees, our business and our operating results. Further, defending against claims of violations of these laws and regulations, even if we are successful, could be time-consuming, result in costly litigation, divert management’s attention and resources and cause us to incur significant expenses.

Our business and operations could suffer in the event of security breaches.

Attempts by others to gain unauthorized access to information technology systems are becoming more sophisticated and are sometimes successful. These attempts, which might be related to industrial or other espionage, include covertly introducing malware to our computers and networks and impersonating authorized users, among others. We seek to detect and investigate all security incidents and to prevent their recurrence, but in some cases, we might be unaware of an incident or its magnitude and effects. The theft, unauthorized use or publication of our intellectual property and/or confidential business information could harm our competitive position, reduce the value of our investment in research and development and other strategic initiatives or otherwise adversely affect our business. To the extent that any security breach results in inappropriate disclosure of our customers’ or licensees’ confidential information, we may incur liability as a result. In addition, we may be required to devote additional resources to the security of our information technology systems.

Our financial and operating results may vary and may fall below analysts’ estimates, which may cause the price of our common stock to decline.

Our operating results may fluctuate from quarter to quarter due to a variety of factors including, but not limited to:

• timing and amount of orders from customers and shipments to customers;

• inability to recognize revenue due to accounting requirements;

• inventory writedowns;

• inability to deliver solutions as expected by our customers; and

• intangible and deferred tax asset writedowns.

Due to these factors or other unanticipated events, quarter-to-quarter comparisons of our operating results may not be reliable indicators of our future performance. In addition, from time to time our quarterly financial results may fall below the expectations of the securities and industry analysts who publish reports on our company or of investors in general. This could cause the market price of our stock to decline, perhaps significantly.

We have experienced significant volatility in our stock price.

A variety of factors may cause the price of our stock to be volatile. In recent years, the stock market in general, and the market for shares of high-technology companies in particular, including ours, have experienced extreme price fluctuations, which have often been unrelated to the operating performance of affected companies. During the three year period ended December 31, 2011 the price of our common stock has ranged from $7.00 to $17.35. The price of our stock may be more volatile than the stock of other companies due to, among other factors, the unpredictable and cyclical nature of the semiconductor industry, our significant customer concentration, intense competition in the test handler industry, our limited backlog making earnings predictability difficult and our relatively low daily stock trading volume. The market price of our common stock is likely to continue to fluctuate significantly in the future, including fluctuations related and unrelated to our performance.

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Item 2. Unregistered Sales of Equity Securities and Use of Proceeds.

Recent Sales of Unregistered Securities

None.

Issuer Purchases of Equity Securities

None.

Item 3. Defaults Upon Senior Securities.

None.

Item 4. Mine Safety Disclosures

Not applicable.

Item 5. Other Information.

None.

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Item 6. Exhibits.

3(i).1	Amended and Restated Certificate of Incorporation of Cohu, Inc. incorporated herein by reference to Exhibit 3.1(a) from the Cohu, Inc. Form 10-Q for the quarterly period ended June 30, 1999
3(i).2	Certificate of Amendment of Amended and Restated Certificate of Incorporation of Cohu, Inc. incorporated herein by reference to Exhibit 4.1(a) from the Cohu, Inc. Form S-8 filed with the Securities and Exchange Commission on June 30, 2000
3(ii)	Amended and Restated Bylaws of Cohu, Inc. incorporated herein by reference to Exhibit 3.2 from the Cohu, Inc. Report on Form 8-K filed with the Securities and Exchange Commission on December 12, 1996
4.1	Amended and Restated Rights Agreement dated November 10, 2006, between Cohu, Inc. and Mellon Investor Services LLC, as Rights Agent, incorporated herein by reference to Exhibit 99.1 from the Cohu, Inc. Report on Form 8-K filed with the Securities and Exchange Commission on November 13, 2006
10.1	Intel Corporation Purchase Agreement Capital Equipment, Goods and Services, dated April 30, 2012, by and between Delta Design, Inc. and Intel Corporation incorporated herein by reference to Exhibit 99.1 from the Cohu, Inc. Current Report on Form 8-K/A filed August 1, 2012
10.2	Amended Cohu, Inc. 2005 Equity Incentive Plan incorporated herein by reference to Exhibit 10.1 from the Cohu, Inc. Current Report on Form 8-K filed with the Securities and Exchange Commission on May 9, 2012 *
31.1	Certification pursuant to Section 302(a) of the Sarbanes-Oxley Act of 2002
31.2	Certification pursuant to Section 302(a) of the Sarbanes-Oxley Act of 2002
32.1	Certification of Chief Executive Officer pursuant to Section 906 of the Sarbanes-Oxley Act of 2002
32.2	Certification of Chief Financial Officer pursuant to Section 906 of the Sarbanes-Oxley Act of 2002
101.INS	XBRL Instance Document
101.SCH	XBRL Taxonomy Extension Schema Document
101.CAL	XBRL Taxonomy Extension Calculation Linkbase Document
101.DEF	XBRL Taxonomy Extension Definition Linkbase Document
101.LAB	XBRL Taxonomy Extension Label Linkbase Document
101.PRE	XBRL Taxonomy Extension Presentation Linkbase Document

* Management contract or compensatory plan or arrangement

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SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

	COHU, INC.
	(Registrant)
Date: August 8, 2012	/s/ James A. Donahue
	James A. Donahue
	President & Chief Executive Officer
Date: August 8, 2012	/s/ Jeffrey D. Jones
	Jeffrey D. Jones
	Vice President, Finance & Chief Financial Officer
	(Principal Financial & Accounting Officer)

32

EXHIBIT INDEX

Exhibit No.	Description
3(i).1	Amended and Restated Certificate of Incorporation of Cohu, Inc. incorporated herein by reference to Exhibit 3.1(a) from the Cohu, Inc. Form 10-Q for the quarterly period ended June 30, 1999
3(i).2	Certificate of Amendment of Amended and Restated Certificate of Incorporation of Cohu, Inc. incorporated herein by reference to Exhibit 4.1(a) from the Cohu, Inc. Form S-8 filed with the Securities and Exchange Commission on June 30, 2000
3(ii)	Amended and Restated Bylaws of Cohu, Inc. incorporated herein by reference to Exhibit 3.2 from the Cohu, Inc. Report on Form 8-K filed with the Securities and Exchange Commission on December 12, 1996
4.1	Amended and Restated Rights Agreement dated November 10, 2006, between Cohu, Inc. and Mellon Investor Services LLC, as Rights Agent, incorporated herein by reference to Exhibit 99.1 from the Cohu, Inc. Report on Form 8-K filed with the Securities and Exchange Commission on November 13, 2006
10.1	Intel Corporation Purchase Agreement Capital Equipment, Goods and Services, dated April 30, 2012, by and between Delta Design, Inc. and Intel Corporation incorporated herein by reference to Exhibit 99.1 from the Cohu, Inc. Current Report on Form 8-K/A filed August 1, 2012
10.2	Amended Cohu, Inc. 2005 Equity Incentive Plan incorporated herein by reference to Exhibit 10.1 from the Cohu, Inc. Current Report on Form 8-K filed with the Securities and Exchange Commission on May 9, 2012 *
31.1	Certification pursuant to Section 302(a) of the Sarbanes-Oxley Act of 2002
31.2	Certification pursuant to Section 302(a) of the Sarbanes-Oxley Act of 2002
32.1	Certification of Chief Executive Officer pursuant to Section 906 of the Sarbanes-Oxley Act of 2002
32.2	Certification of Chief Financial Officer pursuant to Section 906 of the Sarbanes-Oxley Act of 2002
101.INS	XBRL Instance Document
101.SCH	XBRL Taxonomy Extension Schema Document
101.CAL	XBRL Taxonomy Extension Calculation Linkbase Document
101.DEF	XBRL Taxonomy Extension Definition Linkbase Document
101.LAB	XBRL Taxonomy Extension Label Linkbase Document
101.PRE	XBRL Taxonomy Extension Presentation Linkbase Document

* Management contract or compensatory plan or arrangement

EX-31.1

Exhibit 31.1

COHU, INC.

SARBANES-OXLEY ACT SECTION 302(a)

CERTIFICATION

I, James A. Donahue, certify that:

1. I have reviewed this Form 10-Q of Cohu, Inc.;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant’s other certifying officer(s) and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

(a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

(b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

(c) Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

(d) Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5. The registrant’s other certifying officer(s) and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

(a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

(b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Date: August 8, 2012

/s/ James A. Donahue

James A. Donahue

President & Chief Executive Officer

EX-31.2

Exhibit 31.2

COHU, INC.

SARBANES-OXLEY ACT SECTION 302(a)

CERTIFICATION

I, Jeffrey D. Jones, certify that:

1. I have reviewed this Form 10-Q of Cohu, Inc.;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant’s other certifying officer(s) and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

(a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

(b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

(c) Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

(d) Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5. The registrant’s other certifying officer(s) and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

(a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

(b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Date: August 8, 2012

/s/ Jeffrey D. Jones

Jeffrey D. Jones

Vice President Finance & Chief Financial Officer

EX-32.1

Exhibit 32.1

CERTIFICATION PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

(18 U.S.C. SECTION 1350)

In connection with the accompanying Quarterly Report of Cohu, Inc. (the “Company”) on Form 10-Q for the fiscal quarter ended June 30, 2012 (the “Report”), I, James A. Donahue, President and Chief Executive Officer of the Company, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that, based on my knowledge:

(1) The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(2) The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Date: August 8, 2012

/s/ James A. Donahue

James A. Donahue,

President & Chief Executive Officer

EX-32.2

Exhibit 32.2

CERTIFICATION PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

(18 U.S.C. SECTION 1350)

In connection with the accompanying Quarterly Report of Cohu, Inc. (the “Company”) on Form 10-Q for the fiscal quarter ended June 30, 2012 (the “Report”), I, Jeffrey D. Jones, Vice President Finance & Chief Financial Officer of the Company, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that, based on my knowledge:

(1) The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(2) The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Date: August 8, 2012

/s/ Jeffrey D. Jones

Jeffrey D. Jones,

Vice President Finance & Chief Financial Officer

XML

Industry Segments (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 25, 2011	Jun. 30, 2012	Jun. 25, 2011
Net sales by segment:
Total consolidated net sales and net reportable segments	$ 59,404	$ 80,896	$ 112,700	$ 170,596
Segment profit (loss):
Profit (loss) for reporting segments	(166)	7,205	(2,384)	16,019
Other unallocated amounts:
Corporate expenses	(1,899)	(1,376)	(3,388)	(2,548)
Interest and other, net	89	116	181	226
Income (loss) before income taxes	(1,976)	5,945	(5,591)	13,697
Semiconductor Equipment [Member]
Net sales by segment:
Total consolidated net sales and net reportable segments	48,604	69,628	92,277	149,071
Segment profit (loss):
Profit (loss) for reporting segments	368	7,218	(1,339)	16,206
Microwave Communications [Member]
Net sales by segment:
Total consolidated net sales and net reportable segments	5,834	5,932	12,612	12,948
Segment profit (loss):
Profit (loss) for reporting segments	(988)	(469)	(863)	(460)
Video Cameras [Member]
Net sales by segment:
Total consolidated net sales and net reportable segments	4,966	5,336	7,811	8,577
Segment profit (loss):
Profit (loss) for reporting segments	$ 454	$ 456	$ (182)	$ 273

XML

Goodwill and Purchased Intangible Assets (Details 1) (Rasco Technology [Member], USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Rasco Technology [Member]
Purchased intangible assets subject to amortization
Gross Carrying Amount	$ 30,830	$ 31,737
Accumulated Amortization	$ 13,729	$ 12,149

XML

Cash, Cash Equivalents and Short-Term Investments

6 Months Ended

Jun. 30, 2012

Cash, Cash Equivalents and Short-Term Investments [Abstract]

Cash, Cash Equivalents and Short-Term Investments

3. Cash, Cash Equivalents and Short-Term Investments

Our cash, cash equivalents, and short-term investments consisted primarily of cash, corporate debt securities, government and government-sponsored enterprise securities, state and municipal securities, money market funds and other investment grade securities. We do not hold investment securities for trading purposes. All short-term investments are classified as available-for-sale and recorded at fair value. Investment securities are exposed to market risk due to changes in interest rates and credit risk and we monitor credit risk and attempt to mitigate exposure by making high-quality investments and through investment diversification.

Gains and losses on investments are calculated using the specific-identification method and are recognized during the period in which the investment is sold or when an investment experiences an other-than-temporary decline in value. Factors that could indicate an impairment exists include, but are not limited to: earnings performance, changes in credit rating or adverse changes in the regulatory or economic environment of the asset. Gross realized gains and losses on sales of short-term investments are included in interest income. Realized gains and losses for the periods presented were not significant.

Investments that we have classified as short-term, by security type, are as follows (in thousands):

	June 30, 2012
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses (1)		Estimated Fair Value
Corporate debt securities (2)	$	19,557	$	4	$	—	$	19,561
Municipal securities		3,470		—		—		3,470
Government-sponsored enterprise securities		22,873		27		1		22,899
Bank certificates of deposit		1,500		—		1		1,499
	$	47,400	$	31	$	2	$	47,429

	December 31, 2011
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses (1)		Estimated Fair Value
U.S. Treasury securities	$	3,258	$	9	$	—	$	3,267
Corporate debt securities (2)		22,454		6		2		22,458
Municipal securities		4,315		—		—		4,315
Government-sponsored enterprise securities		19,033		32		15		19,050
Bank certificates of deposit		2,650		—		—		2,650
	$	51,710	$	47	$	17	$	51,740

(1) As of June 30, 2012 and December 31, 2011, the cost and fair value of investments with loss positions was $5.9 million and $12.8 million, respectively. We evaluated the nature of these investments, credit worthiness of the issuer and the duration of these impairments to determine if an other-than-temporary decline in fair value had occurred and concluded that these losses were temporary.

(2) Corporate debt securities include investments in financial and corporate institutions. No single issuer represents a significant portion of the total corporate debt securities portfolio.

Effective maturities of short-term investments at June 30, 2012 and December 31, 2011, were as follows (in thousands):

	June 30, 2012				December 31, 2011
	Amortized Cost		Estimated Fair Value		Amortized Cost		Estimated Fair Value
Due in one year or less	$	33,538	$	33,550	$	44,034	$	44,079
Due after one year through two years		13,862		13,879		7,676		7,661
	$	47,400	$	47,429	$	51,710	$	51,740

Our municipal securities include variable rate demand notes which can be put (sold at par) typically on a daily basis with settlement periods ranging from the same day to one week and have varying contractual maturities through 2037. These securities can be used for short-term liquidity needs and are held for limited periods of time. At June 30, 2012 and December 31, 2011 these securities had amortized cost and fair value of $1.5 million and $1.9 million, respectively, and are included in “Due in one year or less” in the table above.

Accounting standards pertaining to fair value measurements establish a three-tier fair value hierarchy, which prioritizes the inputs used in measuring fair value. These tiers include: Level 1, defined as observable inputs such as quoted prices in active markets; Level 2, defined as inputs other than quoted prices in active markets that are either directly or indirectly observable; and Level 3, defined as unobservable inputs in which little or no market data exists, therefore requiring an entity to develop its own assumptions. When available, we use quoted market prices to determine the fair value of our investments, and they are included in Level 1. When quoted market prices are unobservable, we use quotes from independent pricing vendors based on recent trading activity and other relevant information, and they are included in Level 2.

The following table summarizes, by major security type, our assets that are measured at fair value on a recurring basis and are categorized using the fair value hierarchy (in thousands):

	Fair value measurements at June 30, 2012 using:
	Level 1		Level 2		Level 3		Total estimated fair value
Cash	$	24,877	$	—	$	—	$	24,877
Corporate debt securities		—		21,060		—		21,060
Municipal securities		—		6,570		—		6,570
Government-sponsored enterprise securities		—		22,899		—		22,899
Money market funds		—		29,717		—		29,717
Bank certificates of deposit		—		1,499		—		1,499
	$	24,877	$	81,745	$	—	$	106,622

	Fair value measurements at December 31, 2011 using:
	Level 1		Level 2		Level 3		Total estimated fair value
Cash	$	25,359	$	—	$	—	$	25,359
U.S. Treasury securities		3,267		—		—		3,267
Corporate debt securities		—		27,208		—		27,208
Municipal securities		—		4,315		—		4,315
Government-sponsored enterprise securities		—		19,050		—		19,050
Money market funds		—		22,753		—		22,753
Bank certificates of deposit		—		3,050		—		3,050
	$	28,626	$	76,376	$	—	$	105,002

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Cash, Cash Equivalents and Short-Term Investments (Details 2) (Fair Value, Recurring [Member], USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Fair value assets measurements on a recurring basis
Asset measured at fair value	$ 106,622	$ 105,002
Cash [Member]
Fair value assets measurements on a recurring basis
Asset measured at fair value	24,877	25,359
U.S. Treasury securities [Member]
Fair value assets measurements on a recurring basis
Asset measured at fair value		3,267
Corporate debt securities [Member]
Fair value assets measurements on a recurring basis
Asset measured at fair value	21,060	27,208
Municipal securities [Member]
Fair value assets measurements on a recurring basis
Asset measured at fair value	6,570	4,315
Government-sponsored enterprise securities [Member]
Fair value assets measurements on a recurring basis
Asset measured at fair value	22,899	19,050
Money market funds [Member]
Fair value assets measurements on a recurring basis
Asset measured at fair value	29,717	22,753
Bank certificates of deposit [Member]
Fair value assets measurements on a recurring basis
Asset measured at fair value	1,499	3,050
Level 1 [Member]
Fair value assets measurements on a recurring basis
Asset measured at fair value	24,877	28,626
Level 1 [Member] | Cash [Member]
Fair value assets measurements on a recurring basis
Asset measured at fair value	24,877	25,359
Level 1 [Member] | U.S. Treasury securities [Member]
Fair value assets measurements on a recurring basis
Asset measured at fair value		3,267
Level 2 [Member]
Fair value assets measurements on a recurring basis
Asset measured at fair value	81,745	76,376
Level 2 [Member] | Corporate debt securities [Member]
Fair value assets measurements on a recurring basis
Asset measured at fair value	21,060	27,208
Level 2 [Member] | Municipal securities [Member]
Fair value assets measurements on a recurring basis
Asset measured at fair value	6,570	4,315
Level 2 [Member] | Government-sponsored enterprise securities [Member]
Fair value assets measurements on a recurring basis
Asset measured at fair value	22,899	19,050
Level 2 [Member] | Money market funds [Member]
Fair value assets measurements on a recurring basis
Asset measured at fair value	29,717	22,753
Level 2 [Member] | Bank certificates of deposit [Member]
Fair value assets measurements on a recurring basis
Asset measured at fair value	1,499	3,050
Level 3 [Member]
Fair value assets measurements on a recurring basis
Asset measured at fair value
Level 3 [Member] | Cash [Member]
Fair value assets measurements on a recurring basis
Asset measured at fair value
Level 3 [Member] | U.S. Treasury securities [Member]
Fair value assets measurements on a recurring basis
Asset measured at fair value
Level 3 [Member] | Corporate debt securities [Member]
Fair value assets measurements on a recurring basis
Asset measured at fair value
Level 3 [Member] | Municipal securities [Member]
Fair value assets measurements on a recurring basis
Asset measured at fair value
Level 3 [Member] | Government-sponsored enterprise securities [Member]
Fair value assets measurements on a recurring basis
Asset measured at fair value
Level 3 [Member] | Money market funds [Member]
Fair value assets measurements on a recurring basis
Asset measured at fair value
Level 3 [Member] | Bank certificates of deposit [Member]
Fair value assets measurements on a recurring basis
Asset measured at fair value

XML

Cash, Cash Equivalents and Short-Term Investments (Details 1) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Held-to-maturity Securities, Debt Maturities, Net Carrying Amount [Abstract]
Maturities of short-term investments total, Amortized cost	$ 47,400	$ 51,710
Amortized Cost [Member]
Held-to-maturity Securities, Debt Maturities, Net Carrying Amount [Abstract]
Securities amortized cost Due in one year or less	33,538	44,034
Amortized cost, Due after one year through two years	13,862	7,676
Maturities of short-term investments total, Amortized cost	47,400	51,710
Estimated Fair Value [Member]
Held-to-maturity Securities, Debt Maturities, Net Carrying Amount [Abstract]
Securities fair value Due in one year or less	33,550	44,079
Estimated fair value, Due after one year through two years	13,879	7,661
Maturities of short-term investments total, Estimated fair value	$ 47,429	$ 51,740

XML

Cash, Cash Equivalents and Short-Term Investments (Details Textual) (USD $)	Jun. 30, 2012	Dec. 31, 2011
Cash, Cash Equivalents and Short Term Investments (Additional Textual) [Abstract]
Amortized Cost of investment with loss positions	$ 5,900,000	$ 12,800,000
Fair value of investments with loss positions	5,900,000	12,800,000
Variable Rate Demand Note Maturity Year	2037
Maturity on Demand [Member]
Cash, Cash Equivalents and Short-Term Investments (Textual) [Abstract]
Securities amortized cost Due in one year or less	1,500,000	1,900,000
Securities fair value Due in one year or less	$ 1,500,000	$ 1,900,000

XML

Employee Stock Benefit Plans (Details Textual) (USD $) In Millions, except Share data, unless otherwise specified	3 Months Ended	6 Months Ended		6 Months Ended
	Jun. 30, 2012 Employee Stock Purchase Plan [Member]	Jun. 30, 2012 Stock Options [Member] Y	May 09, 2012 Stock Options [Member]	Jun. 30, 2012 Restricted Stock Units [Member] Y	Jun. 30, 2012 Equity Based Performance Stock Units [Member]	Jun. 30, 2012 Equity Based Performance Stock Units [Member] Maximum [Member]	Jun. 30, 2012 Equity Based Performance Stock Units [Member] Minimum [Member]	Jun. 30, 2012 1997 ESPP Plan [Member]
Employee Stock Benefit Plans
Percentage of the fair value to determine the price of common stock	85.00%
Minimum period in which vested stock become exercisable		One year		One year
Maximum period in which vested stock become exercisable		Four year		Four year
Maximum period in which vested stock expire		Ten years
Shares available for future equity grants under the 2005 Equity Plan		1,874,202	1,400,000
Shares available for future equity grants under the 1997 ESPP Plan								568,915
Shares issued under the Plan	68,439
Stock options outstanding to employees		400,646		432,314	128,916
Stock options outstanding		3,216,696
Stock options outstanding, Exercisable		2,219,521
Weighted-average exercise price of stock options		$ 12.59
Aggregate intrinsic value of stock options		$ 2.6		$ 6.8
Weighted average remaining contractual term stock options		5.6
Restricted stock units outstanding				674,129
Restricted stock units weighted average remaining vesting period				3.0
Weighted-average exercise price of stock options, Exercisable		$ 13.41
Aggregate intrinsic value of stock options, Exercisable		$ 1.8
Weighted average remaining contractual term stock options, Exercisable		4.3
Number of common share granted		400,646		432,314	128,916
Award measurement period					1 year
Period in which restricted stock unit vest					3 years
Common stock granted on achievement of performance goals						150.00%	0.00%

XML

Goodwill and Purchased Intangible Assets

6 Months Ended

Jun. 30, 2012

Goodwill and Purchased Intangible Assets [Abstract]

Goodwill and Purchased Intangible Assets

2. Goodwill and Purchased Intangible Assets

Changes in the carrying value of goodwill by reportable segment during the year ended December 31, 2011 and the six-month period ended June 30, 2012 were as follows (in thousands):

	Semiconductor Equipment			Microwave Communications			Total Goodwill
Balance, December 25, 2010	$	55,280		$	3,218		$	58,498
Impact of currency exchange		(408	)		(30	)		(438	)
Balance, December 31, 2011		54,872			3,188			58,060
Impact of currency exchange		(888	)		(66	)		(954	)
Balance, June 30, 2012	$	53,984		$	3,122		$	57,106

Purchased intangible assets, subject to amortization are as follows (in thousands):

	June 30, 2012				December 31, 2011
	Gross Carrying Amount		Accumulated Amortization		Gross Carrying Amount		Accumulated Amortization
Rasco technology	$	30,830	$	13,729	$	31,737	$	12,149

Amortization expense related to intangible assets was approximately $1.0 million in the second quarter of fiscal 2012 and $2.0 million in the first six months of fiscal 2012. Amortization expense related to intangible assets was approximately $1.1 million in the second quarter of fiscal 2011 and $2.5 million in the first six months of fiscal 2011. The amounts included in the table above for both the periods ended June 30, 2012 and December 31, 2011 exclude approximately $2.2 million, related to the Rasco trade name which has an indefinite life and is not being amortized. Changes in the carrying values of our intangible assets are a result of continued amortization and the impact of fluctuations in currency exchange rates.

XML

Income Taxes (Details Textual)	3 Months Ended	6 Months Ended
	Jun. 25, 2011	Jun. 25, 2011
Income Taxes (Textual) [Abstract]
Effective tax rate (benefit)	15.10%	15.10%

XML

Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Current assets:
Cash and cash equivalents	$ 59,193	$ 53,262	[1]
Short-term investments	47,429	51,740	[1]
Accounts receivable, net	42,190	41,922	[1]
Inventories:
Raw materials and purchased parts	45,436	47,186	[1]
Work in process	12,257	15,504	[1]
Finished goods	15,273	19,999	[1]
Total inventories	72,966	82,689	[1]
Deferred income taxes	6,049	6,646	[1]
Other current assets	6,924	7,557	[1]
Total current assets	234,751	243,816	[1]
Property, plant and equipment, at cost:
Land and land improvements	11,891	12,002	[1]
Buildings and building improvements	31,416	31,190	[1]
Machinery and equipment	39,042	38,007	[1]
Property plant and equipment, gross	82,349	81,199	[1]
Less accumulated depreciation and amortization	(46,792)	(44,218)	[1]
Net property, plant and equipment	35,557	36,981	[1]
Goodwill	57,106	58,060	[1]
Intangible assets, net	19,278	21,828	[1]
Other assets	1,263	923	[1]
Total consolidated assets	347,955	361,608	[1]
Current liabilities:
Accounts payable	15,185	18,625	[1]
Accrued compensation and benefits	10,082	12,652	[1]
Accrued warranty	6,134	6,801	[1]
Deferred profit	4,159	2,821	[1]
Income taxes payable	3,266	2,518	[1]
Other accrued liabilities	7,606	8,454	[1]
Total current liabilities	46,432	51,871	[1]
Other accrued liabilities	5,951	5,964	[1]
Deferred income taxes	11,913	12,742	[1]
Commitments and contingencies			[1]
Stockholders' equity:
Preferred stock, $1 par value; 1,000 shares authorized, none issued			[1]
Common stock, $1 par value; 60,000 shares authorized, 24,473 shares issued and outstanding in 2012 and 24,330 shares in 2011	24,473	24,330	[1]
Paid-in capital	80,743	77,658	[1]
Retained earnings	180,792	189,055	[1]
Accumulated other comprehensive loss	(2,349)	(12)	[1]
Total stockholders' equity	283,659	291,031	[1]
Total liabilities and stockholders' equity	$ 347,955	$ 361,608	[1]

[1] Derived from December 31, 2011 audited financial statements.

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Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2012		Jun. 25, 2011
Cash flows from operating activities:
Net income (loss)	$ (5,333)		$ 11,624
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization	4,876		5,213
Share-based compensation expense	2,295		1,986
Deferred income taxes	(348)		(685)
Other accrued liabilities	99		80
Excess tax benefits from stock options exercised			(62)
Changes in current assets and liabilities:
Accounts receivable	(267)		13,473
Inventories	9,288		(14,025)
Other current assets	593		(822)
Accounts payable	(3,440)		1,142
Deferred profit	1,338		(7,181)
Income taxes payable, including excess stock option exercise benefit	747		(4,884)
Accrued compensation, warranty and other liabilities	(4,002)		(3,179)
Net cash provided by operating activities	5,846		2,680
Cash flows from investing activities:
Purchases of short-term investments	(35,312)		(33,614)
Sales and maturities of short-term investments	39,623		33,828
Purchases of property, plant and equipment	(1,289)		(432)
Other assets	(99)		(50)
Net cash provided by (used in) investing activities	2,923		(268)
Cash flows from financing activities:
Cash dividends	(2,920)		(2,879)
Issuance of stock, net of repurchases	934		1,408
Excess tax benefits from stock options exercised			62
Net cash used in financing activities	(1,986)		(1,409)
Effect of exchange rate changes on cash and cash equivalents	(852)		2,464
Net increase in cash and cash equivalents	5,931		3,467
Cash and cash equivalents at beginning of period	53,262	[1]	45,921
Cash and cash equivalents at end of period	59,193		49,388
Supplemental disclosure of cash flow information:
Cash paid for income taxes	234		8,222
Inventory capitalized as property, plant and equipment	415		762
Dividends declared but not yet paid	$ 1,468		$ 1,442

[1] Derived from December 31, 2011 audited financial statements.

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Guarantees (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 25, 2011	Jun. 30, 2012	Jun. 25, 2011
Changes in Accrued Warranty [Abstract]
Balance at beginning of period	$ 6,727	$ 6,303	$ 6,801	$ 5,016
Warranty expense accruals	1,148	2,178	2,813	5,449
Warranty payments	(1,741)	(2,401)	(3,480)	(4,385)
Balance at end of period	$ 6,134	$ 6,080	$ 6,134	$ 6,080

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Summary of Significant Accounting Policies (Details 1) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 25, 2011	Jun. 30, 2012	Jun. 25, 2011
Computation of basic and diluted income per share
Weighted average common shares	24,432	24,103	24,392	24,060
Effect of dilutive stock options		381		423
Weighted Average Number of Shares Outstanding, Diluted, Total	24,432	24,484	24,392	24,483

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Guarantees (Details Textual) (USD $) In Millions, unless otherwise specified	6 Months Ended
	Jun. 30, 2012
Guarantees (Additional Textual) [Abstract]
Maximum amount of future payments under letters of credit	0.5
Maximum [Member]
Guarantees (Textual) [Abstract]
Product warranty period	36 months
Minimum [Member]
Guarantees (Textual) [Abstract]
Product warranty period	12 months

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Goodwill and Purchased Intangible Assets (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended	12 Months Ended
	Jun. 30, 2012	Dec. 31, 2011		Dec. 25, 2010
Changes in the carrying value of goodwill by reportable segment
Impact of currency exchange	$ (954)	$ (438)
Goodwill	57,106	58,060	[1]	58,498
Semiconductor Equipment [Member]
Changes in the carrying value of goodwill by reportable segment
Impact of currency exchange	(888)	(408)
Goodwill	53,984	54,872		55,280
Microwave Communications [Member]
Changes in the carrying value of goodwill by reportable segment
Impact of currency exchange	(66)	(30)
Goodwill	$ 3,122	$ 3,188		$ 3,218

[1] Derived from December 31, 2011 audited financial statements.

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Summary of Significant Accounting Policies

6 Months Ended

Jun. 30, 2012

Summary of Significant Accounting Policies [Abstract]

Summary of Significant Accounting Policies

1. Summary of Significant Accounting Policies

Basis of Presentation

Our fiscal years are based on a 52- or 53-week period ending on the last Saturday in December. The condensed consolidated balance sheet at December 31, 2011 has been derived from our audited financial statements at that date. The interim condensed consolidated financial statements as of June 30, 2012 (also referred to as “the second quarter of fiscal 2012” and “the first six months of fiscal 2012”) and June 25, 2011 (also referred to as “the second quarter of fiscal 2011” and “the first six months of fiscal 2011”) are unaudited. However, in management’s opinion, these financial statements reflect all adjustments (consisting only of normal, recurring items) necessary to provide a fair presentation of our financial position, results of operations and cash flows for the periods presented. The three- and six-month periods ended June 30, 2012 and June 25, 2011 were each comprised of 13 and 26 weeks, respectively.

Our interim results are not necessarily indicative of the results that should be expected for the full year. For a better understanding of Cohu, Inc. and our financial statements, we recommend reading these interim condensed consolidated financial statements in conjunction with our audited financial statements for the year ended December 31, 2011, which are included in our 2011 Annual Report on Form 10-K, filed with the U. S. Securities and Exchange Commission (“SEC”). In the following notes to our interim condensed consolidated financial statements, Cohu, Inc. is referred to as “Cohu”, “we”, “our” and “us”.

Risks and Uncertainties

We are subject to a number of risks and uncertainties that may significantly impact our future operating results. These risks and uncertainties are discussed under Item 1A. “Risk Factors” included in this Form 10-Q. Understanding these risks and uncertainties is integral to the review of our interim condensed consolidated financial statements.

Concentration of Credit Risk

Financial instruments that potentially subject us to significant credit risk consist principally of cash equivalents, short-term investments and trade accounts receivable. We invest in a variety of financial instruments and, by policy, limit the amount of credit exposure with any one issuer.

Trade accounts receivable are presented net of allowance for doubtful accounts of $0.2 million and $0.5 million at June 30, 2012 and December 31, 2011, respectively. Our customers include semiconductor manufacturers and semiconductor test subcontractors and other customers located throughout many areas of the world. While we believe that our allowance for doubtful accounts is adequate and represents our best estimate at June 30, 2012, we will continue to monitor customer liquidity and other economic conditions, which may result in changes to our estimates regarding collectability.

Goodwill, Other Intangible Assets and Long-lived Assets

We evaluate goodwill for impairment annually and when an event occurs or circumstances change that indicate that the carrying value may not be recoverable. We test goodwill for impairment by first comparing the book value of net assets to the fair value of the reporting units. If the fair value is determined to be less than the book value, a second step is performed to compute the amount of impairment as the difference between the estimated fair value of goodwill and the carrying value. We estimated the fair values of our reporting units primarily using the income approach valuation methodology that includes the discounted cash flow method, taking into consideration the market approach and certain market multiples as a validation of the values derived using the discounted cash flow methodology. Forecasts of future cash flows are based on our best estimate of future net sales and operating expenses, based primarily on customer forecasts, industry trade organization data and general economic conditions.

We conduct our annual impairment test as of October 1 of each year, and have determined there is no impairment as of October 1, 2011. Other events and changes in circumstances may also require goodwill to be tested for impairment between annual measurement dates. While a decline in stock price and market capitalization is not specifically cited as a goodwill impairment indicator, a company’s stock price and market capitalization should be considered in determining whether it is more likely than not that the fair value of a reporting unit is less that its carrying value. Additionally, a significant decline in a company’s stock price may suggest that an adverse change in the business climate may have caused the fair value of one or more reporting units to fall below their carrying value. The financial and credit market volatility directly impacts our fair value measurement through our stock price that we use to determine our market capitalization. During times of volatility, significant judgment must be applied to determine whether credit or stock price changes are a short-term swing or a longer-term trend. As of June 30, 2012 we do not believe there have been any events or circumstances that would require us to perform an interim goodwill impairment review, however, a sustained decline in Cohu’s market capitalization below its book value could lead us to determine, in a future period, that an interim goodwill impairment review is required and may result in an impairment charge which would have a negative impact on our results from operations.

Long-lived assets, other than goodwill, are reviewed for impairment whenever events or changes in circumstances indicate that the carrying amount of the assets might not be recoverable. Conditions that would necessitate an impairment assessment include a significant decline in the observable market value of an asset, a significant change in the extent or manner in which an asset is used, or any other significant adverse change that would indicate that the carrying amount of an asset or group of assets may not be recoverable. For long-lived assets, impairment losses are only recorded if the asset’s carrying amount is not recoverable through its undiscounted, probability-weighted future cash flows. We measure the impairment loss based on the difference between the assets carrying amount and estimated fair value.

Share-Based Compensation

Share-based compensation expense related to stock options is recorded based on the fair value of the award on its grant date which we estimate using the Black-Scholes valuation model. Share-based compensation expense related to restricted stock unit awards is calculated based on the market price of our common stock on the grant date, reduced by the present value of dividends expected to be paid on our common stock prior to vesting of the restricted stock unit. Share-based compensation expense related to equity-based performance unit awards is calculated based on the market price of our common stock on the grant date and our current assessment of achievement of the performance goals. We also have an Employee Stock Purchase Plan, which enables eligible employees to purchase Cohu common stock.

Reported share-based compensation related to stock options, ESPP shares, restricted stock units, and equity-based performance units is classified, in the condensed consolidated interim financial statements, as follows (in thousands):

	Three Months Ended				Six Months Ended
	June 30, 2012		June 25, 2011		June 30, 2012		June 25, 2011
Cost of sales	$	125	$	90	$	230	$	182
Research and development		337		266		660		602
Selling, general and administrative		789		582		1,405		1,202
Total share-based compensation		1,251		938		2,295		1,986
Income tax benefit		—		—		—		—
Total share-based compensation, net of tax	$	1,251	$	938	$	2,295	$	1,986

Earnings Per Share

Basic earnings per common share is computed by dividing net income by the weighted-average number of common shares outstanding during the reporting period. Diluted earnings per share includes the dilutive effect of common shares potentially issuable upon the exercise of stock options, vesting of outstanding restricted stock units and issuance of stock under our employee stock purchase plan using the treasury stock method. In loss periods, potentially dilutive securities are excluded from the per share computations due to their anti-dilutive effect. For purposes of computing diluted income per share, stock options with exercise prices that exceed the average fair market value of our common stock for the period are excluded. For the three and six months ended June 25, 2011, options to issue approximately 2,035,000 and 1,804,000 shares of common stock were excluded from the computation, respectively.

The following table reconciles the denominators used in computing basic and diluted earnings per share (in thousands):

	Three Months Ended				Six Months Ended
	June 30, 2012		June 25, 2011		June 30, 2012		June 25, 2011
Weighted average common shares		24,432		24,103		24,392		24,060
Effect of dilutive stock options		—		381		—		423
		24,432		24,484		24,392		24,483

Revenue Recognition

Our revenue recognition policy is disclosed in Note 1 of the Notes to Consolidated Financial Statements included in our Annual Report on Form 10-K for the year ended December 31, 2011. As more fully described in that policy, revenue from products that have not previously satisfied customer acceptance requirements is recognized upon customer acceptance. The gross profit on sales that are not recognized is generally recorded as deferred profit and reflected as a current liability in our consolidated balance sheet.

At June 30, 2012, we had deferred revenue totaling approximately $6.9 million and deferred profit of $4.2 million. At December 31, 2011, we had deferred revenue totaling approximately $6.6 million and deferred profit of $2.8 million.

Comprehensive Loss

Our accumulated other comprehensive loss balance totaled approximately $2.3 million and $12,000 at June 30, 2012 and December 31, 2011, respectively, and was attributed to all non-owner changes in stockholders’ equity and consists of, on an after-tax basis where applicable, foreign currency adjustments resulting from the translation of certain accounts into U.S. dollars where the functional currency is the Euro, unrealized gains and losses on investments and adjustments related to postretirement benefits.

Retiree Medical Benefits

We provide post-retirement health benefits to certain executives and directors under a noncontributory plan. The net periodic benefit cost incurred during the first six months of fiscal 2012 and 2011 was not significant.

Recent Accounting Pronouncements

Recently Adopted Accounting Pronouncements - In September 2011, the FASB issued guidance to amend and simplify the rules related to testing goodwill for impairment. The revised guidance allows an entity to make an initial qualitative evaluation, based on the entity’s events and circumstances, to determine whether it is more likely than not that the fair value of a reporting unit is less than its carrying amount. The results of this qualitative assessment determine whether it is necessary to perform the currently required two-step impairment test. The new guidance is effective for annual and interim goodwill impairment tests performed for fiscal years beginning after December 15, 2011. The adoption of this new guidance in the first quarter of fiscal 2012 did not have a material impact on our consolidated financial position, results of operations or cash flows.

In June 2011, the FASB issued new guidance on the presentation of comprehensive income. Specifically, the new guidance allows an entity to present components of net income and other comprehensive income in one continuous statement, referred to as the statement of comprehensive income, or in two separate, but consecutive statements. The new guidance eliminates the current option to report other comprehensive income and its components in the statement of changes in equity. While the new guidance changes the presentation of comprehensive income, there are no changes to the components that are recognized in net income or other comprehensive income under current accounting guidance. This new guidance is effective for fiscal years and interim periods beginning after December 15, 2011. The adoption of this new guidance in the first quarter of fiscal 2012 did not have a material impact on our consolidated financial position, results of operations or cash flows.

In May 2011, the FASB issued new guidance to achieve common fair value measurement and disclosure requirements between GAAP and International Financial Reporting Standards. This new guidance amends current fair value measurement and disclosure guidance to include increased transparency around valuation inputs and investment categorization. This new guidance is effective for fiscal years and interim periods beginning after December 15, 2011. The adoption of this new guidance in the first quarter of fiscal 2012 did not have a material impact on our consolidated financial position, results of operations or cash flows.

Recently Issued Accounting Pronouncements - There have been no recent accounting pronouncements or changes to existing accounting pronouncements during the quarter ended June 30, 2012 that are of significance to Cohu.

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Condensed Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, except Per Share data, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Condensed Consolidated Balance Sheets [Abstract]
Preferred stock, par value	$ 1	$ 1
Preferred stock, shares authorized	1,000	1,000
Preferred stock, shares issued
Common stock, par value	$ 1	$ 1
Common stock, shares authorized	60,000	60,000
Common stock, shares issued	24,473	24,330
Common stock, shares outstanding	24,473	24,330

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Goodwill and Purchased Intangible Assets (Tables)

6 Months Ended

Jun. 30, 2012

Goodwill and Purchased Intangible Assets [Abstract]

Changes in the carrying value of goodwill by reportable segment

	Semiconductor Equipment			Microwave Communications			Total Goodwill
Balance, December 25, 2010	$	55,280		$	3,218		$	58,498
Impact of currency exchange		(408	)		(30	)		(438	)
Balance, December 31, 2011		54,872			3,188			58,060
Impact of currency exchange		(888	)		(66	)		(954	)
Balance, June 30, 2012	$	53,984		$	3,122		$	57,106

Purchased intangible assets subject to amortization

	June 30, 2012				December 31, 2011
	Gross Carrying Amount		Accumulated Amortization		Gross Carrying Amount		Accumulated Amortization
Rasco technology	$	30,830	$	13,729	$	31,737	$	12,149

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Document and Entity Information	6 Months Ended
	Jun. 30, 2012
Document and Entity Information [Abstract]
Entity Registrant Name	COHU INC
Entity Central Index Key	0000021535
Document Type	10-Q
Document Period End Date	Jun. 30, 2012
Amendment Flag	false
Document Fiscal Year Focus	2012
Document Fiscal Period Focus	Q2
Current Fiscal Year End Date	--12-29
Entity Filer Category	Accelerated Filer
Entity Common Stock, Shares Outstanding	24,473,068

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Cash, Cash Equivalents and Short Term Investments (Tables)

6 Months Ended

Jun. 30, 2012

Cash, Cash Equivalents and Short-Term Investments [Abstract]

Short term investments classified by security type

	June 30, 2012
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses (1)		Estimated Fair Value
Corporate debt securities (2)	$	19,557	$	4	$	—	$	19,561
Municipal securities		3,470		—		—		3,470
Government-sponsored enterprise securities		22,873		27		1		22,899
Bank certificates of deposit		1,500		—		1		1,499
	$	47,400	$	31	$	2	$	47,429

	December 31, 2011
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses (1)		Estimated Fair Value
U.S. Treasury securities	$	3,258	$	9	$	—	$	3,267
Corporate debt securities (2)		22,454		6		2		22,458
Municipal securities		4,315		—		—		4,315
Government-sponsored enterprise securities		19,033		32		15		19,050
Bank certificates of deposit		2,650		—		—		2,650
	$	51,710	$	47	$	17	$	51,740

Effective maturities of short-term investments

	June 30, 2012				December 31, 2011
	Amortized Cost		Estimated Fair Value		Amortized Cost		Estimated Fair Value
Due in one year or less	$	33,538	$	33,550	$	44,034	$	44,079
Due after one year through two years		13,862		13,879		7,676		7,661
	$	47,400	$	47,429	$	51,710	$	51,740

Fair value assets measurements on a recurring basis

	Fair value measurements at June 30, 2012 using:
	Level 1		Level 2		Level 3		Total estimated fair value
Cash	$	24,877	$	—	$	—	$	24,877
Corporate debt securities		—		21,060		—		21,060
Municipal securities		—		6,570		—		6,570
Government-sponsored enterprise securities		—		22,899		—		22,899
Money market funds		—		29,717		—		29,717
Bank certificates of deposit		—		1,499		—		1,499
	$	24,877	$	81,745	$	—	$	106,622

	Fair value measurements at December 31, 2011 using:
	Level 1		Level 2		Level 3		Total estimated fair value
Cash	$	25,359	$	—	$	—	$	25,359
U.S. Treasury securities		3,267		—		—		3,267
Corporate debt securities		—		27,208		—		27,208
Municipal securities		—		4,315		—		4,315
Government-sponsored enterprise securities		—		19,050		—		19,050
Money market funds		—		22,753		—		22,753
Bank certificates of deposit		—		3,050		—		3,050
	$	28,626	$	76,376	$	—	$	105,002

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Condensed Consolidated Statements of Operations (Unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 25, 2011	Jun. 30, 2012	Jun. 25, 2011
Condensed Consolidated Statements of Operations [Abstract]
Net sales	$ 59,404	$ 80,896	$ 112,700	$ 170,596
Cost and expenses:
Cost of sales	41,740	54,349	79,497	115,234
Research and development	8,688	9,284	17,058	18,367
Selling, general and administrative	11,041	11,434	21,917	23,524
Total cost and expenses	61,469	75,067	118,472	157,125
Income (loss) from operations	(2,065)	5,829	(5,772)	13,471
Interest and other, net	89	116	181	226
Income (loss) before income taxes	(1,976)	5,945	(5,591)	13,697
Income tax provision (benefit)	133	895	(258)	2,073
Net income (loss)	$ (2,109)	$ 5,050	$ (5,333)	$ 11,624
Income (loss) per share:
Basic	$ (0.09)	$ 0.21	$ (0.22)	$ 0.48
Diluted	$ (0.09)	$ 0.21	$ (0.22)	$ 0.47
Weighted average shares used in computing income (loss) per share:
Basic	24,432	24,103	24,392	24,060
Diluted	24,432	24,484	24,392	24,483
Cash dividends declared per share	$ 0.06	$ 0.06	$ 0.12	$ 0.12

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Industry Segments

6 Months Ended

Jun. 30, 2012

Industry Segments [Abstract]

Industry Segments

6. Industry Segments

Our reportable segments are business units that offer different products and are managed separately because each business requires different technology and marketing strategies. Our reportable segments are: semiconductor equipment, microwave communications and video cameras.

We allocate resources and evaluate the performance of segments based on profit or loss from operations, excluding interest, corporate expenses and unusual gains or losses. Intersegment sales were not significant for any period.

Financial information by industry segment is as follows (in thousands):

	Three Months Ended						Six Months Ended
	June 30, 2012			June 25, 2011			June 30, 2012			June 25, 2011
Net sales by segment:
Semiconductor equipment	$	48,604		$	69,628		$	92,277		$	149,071
Microwave communications		5,834			5,932			12,612			12,948
Video cameras		4,966			5,336			7,811			8,577
Total consolidated net sales and net sales for reportable segments	$	59,404		$	80,896		$	112,700		$	170,596
Segment profit (loss):
Semiconductor equipment	$	368		$	7,218		$	(1,339	)	$	16,206
Microwave communications		(988	)		(469	)		(863	)		(460	)
Video cameras		454			456			(182	)		273
Profit (loss) for reportable segments		(166	)		7,205			(2,384	)		16,019
Other unallocated amounts:
Corporate expenses		(1,899	)		(1,376	)		(3,388	)		(2,548	)
Interest and other, net		89			116			181			226
Income (loss) before income taxes	$	(1,976	)	$	5,945		$	(5,591	)	$	13,697

A small number of customers historically have been responsible for a significant portion of our total consolidated net sales. During the second quarter of fiscal 2012 one customer of the semiconductor equipment segment represented more than 10% of our consolidated net sales and accounted for 38% of our total consolidated net sales. For the first six months of fiscal 2012, one customer of the semiconductor equipment segment represented more than 10% of our consolidated net sales and accounted for 42% of our total consolidated net sales. During the second quarter of fiscal 2011 one customer of the semiconductor equipment segment represented more than 10% of our consolidated net sales and accounted for 30% of our total consolidated net sales. For the first six months of fiscal 2011, two customers of the semiconductor equipment segment each represented more than 10% of our consolidated net sales and, combined, they accounted for 45% of our total consolidated net sales.

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Income Taxes

6 Months Ended

Jun. 30, 2012

Income Taxes [Abstract]

Income Taxes

5. Income Taxes

Ordinarily, interim tax provisions are calculated using the estimated effective tax rate (“ETR”) expected to be applicable for the full fiscal year. However, when a reliable estimate of the annual ETR cannot be made, the actual ETR for the year-to-date period may be the best estimate of the annual ETR. For the three and six months ended June 30, 2012 we used the actual year-to-date ETR in computing our tax provision as a reliable estimate of the annual ETR cannot be made as relatively small changes in our projected income or loss produce a significant variance in our ETR. The ETR for the three and six months ended June 25, 2011, was 15.1%. The tax provision and benefit in 2012 and 2011 differ from the U.S. federal statutory rate primarily due to the inability to benefit our domestic losses, foreign income taxed at lower rates, changes in our deferred tax asset valuation allowance, state taxes and changes and interest related to unrecognized tax benefits.

There was no material change to our unrecognized tax benefits and interest accrued related to unrecognized tax benefits during the three and six months ended June 30, 2012.

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Summary of Significant Accounting Policies (Details Textual) (USD $)	3 Months Ended	6 Months Ended
	Jun. 25, 2011	Jun. 25, 2011	Jun. 30, 2012	Dec. 31, 2011
Summary of significant accounting policies (Textual) [Abstract]
Net of allowance for doubtful accounts			$ 200,000	$ 500,000
Issue of shares of common stock excluded from computation	2,035,000	1,804,000
Deferred revenue			6,900,000	6,600,000
Deferred profit			4,159,000	2,821,000	[1]
Accumulated other comprehensive loss			$ 2,349,000	$ 12,000	[1]

[1] Derived from December 31, 2011 audited financial statements.

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Industry Segments (Tables)

6 Months Ended

Jun. 30, 2012

Industry Segments [Abstract]

Financial information by industry segment

	Three Months Ended						Six Months Ended
	June 30, 2012			June 25, 2011			June 30, 2012			June 25, 2011
Net sales by segment:
Semiconductor equipment	$	48,604		$	69,628		$	92,277		$	149,071
Microwave communications		5,834			5,932			12,612			12,948
Video cameras		4,966			5,336			7,811			8,577
Total consolidated net sales and net sales for reportable segments	$	59,404		$	80,896		$	112,700		$	170,596
Segment profit (loss):
Semiconductor equipment	$	368		$	7,218		$	(1,339	)	$	16,206
Microwave communications		(988	)		(469	)		(863	)		(460	)
Video cameras		454			456			(182	)		273
Profit (loss) for reportable segments		(166	)		7,205			(2,384	)		16,019
Other unallocated amounts:
Corporate expenses		(1,899	)		(1,376	)		(3,388	)		(2,548	)
Interest and other, net		89			116			181			226
Income (loss) before income taxes	$	(1,976	)	$	5,945		$	(5,591	)	$	13,697

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Summary of Significant Accounting Policies (Policies)

6 Months Ended

Jun. 30, 2012

Summary of Significant Accounting Policies [Abstract]

Basis of Presentation

Our fiscal years are based on a 52- or 53-week period ending on the last Saturday in December. The condensed consolidated balance sheet at December 31, 2011 has been derived from our audited financial statements at that date. The interim condensed consolidated financial statements as of June 30, 2012 (also referred to as “the second quarter of fiscal 2012” and “the first six months of fiscal 2012”) and June 25, 2011 (also referred to as “the second quarter of fiscal 2011” and “the first six months of fiscal 2011”) are unaudited. However, in management’s opinion, these financial statements reflect all adjustments (consisting only of normal, recurring items) necessary to provide a fair presentation of our financial position, results of operations and cash flows for the periods presented. The three- and six-month periods ended June 30, 2012 and June 25, 2011 were each comprised of 13 and 26 weeks, respectively.

Our interim results are not necessarily indicative of the results that should be expected for the full year. For a better understanding of Cohu, Inc. and our financial statements, we recommend reading these interim condensed consolidated financial statements in conjunction with our audited financial statements for the year ended December 31, 2011, which are included in our 2011 Annual Report on Form 10-K, filed with the U. S. Securities and Exchange Commission (“SEC”). In the following notes to our interim condensed consolidated financial statements, Cohu, Inc. is referred to as “Cohu”, “we”, “our” and “us”.

Risks and Uncertainties

We are subject to a number of risks and uncertainties that may significantly impact our future operating results. These risks and uncertainties are discussed under Item 1A. “Risk Factors” included in this Form 10-Q. Understanding these risks and uncertainties is integral to the review of our interim condensed consolidated financial statements.

Concentration of Credit Risk

Financial instruments that potentially subject us to significant credit risk consist principally of cash equivalents, short-term investments and trade accounts receivable. We invest in a variety of financial instruments and, by policy, limit the amount of credit exposure with any one issuer.

Trade accounts receivable are presented net of allowance for doubtful accounts of $0.2 million and $0.5 million at June 30, 2012 and December 31, 2011, respectively. Our customers include semiconductor manufacturers and semiconductor test subcontractors and other customers located throughout many areas of the world. While we believe that our allowance for doubtful accounts is adequate and represents our best estimate at June 30, 2012, we will continue to monitor customer liquidity and other economic conditions, which may result in changes to our estimates regarding collectability.

Goodwill, Other Intangible Assets and Long-lived Assets

We evaluate goodwill for impairment annually and when an event occurs or circumstances change that indicate that the carrying value may not be recoverable. We test goodwill for impairment by first comparing the book value of net assets to the fair value of the reporting units. If the fair value is determined to be less than the book value, a second step is performed to compute the amount of impairment as the difference between the estimated fair value of goodwill and the carrying value. We estimated the fair values of our reporting units primarily using the income approach valuation methodology that includes the discounted cash flow method, taking into consideration the market approach and certain market multiples as a validation of the values derived using the discounted cash flow methodology. Forecasts of future cash flows are based on our best estimate of future net sales and operating expenses, based primarily on customer forecasts, industry trade organization data and general economic conditions.

We conduct our annual impairment test as of October 1 of each year, and have determined there is no impairment as of October 1, 2011. Other events and changes in circumstances may also require goodwill to be tested for impairment between annual measurement dates. While a decline in stock price and market capitalization is not specifically cited as a goodwill impairment indicator, a company’s stock price and market capitalization should be considered in determining whether it is more likely than not that the fair value of a reporting unit is less that its carrying value. Additionally, a significant decline in a company’s stock price may suggest that an adverse change in the business climate may have caused the fair value of one or more reporting units to fall below their carrying value. The financial and credit market volatility directly impacts our fair value measurement through our stock price that we use to determine our market capitalization. During times of volatility, significant judgment must be applied to determine whether credit or stock price changes are a short-term swing or a longer-term trend. As of June 30, 2012 we do not believe there have been any events or circumstances that would require us to perform an interim goodwill impairment review, however, a sustained decline in Cohu’s market capitalization below its book value could lead us to determine, in a future period, that an interim goodwill impairment review is required and may result in an impairment charge which would have a negative impact on our results from operations.

Long-lived assets, other than goodwill, are reviewed for impairment whenever events or changes in circumstances indicate that the carrying amount of the assets might not be recoverable. Conditions that would necessitate an impairment assessment include a significant decline in the observable market value of an asset, a significant change in the extent or manner in which an asset is used, or any other significant adverse change that would indicate that the carrying amount of an asset or group of assets may not be recoverable. For long-lived assets, impairment losses are only recorded if the asset’s carrying amount is not recoverable through its undiscounted, probability-weighted future cash flows. We measure the impairment loss based on the difference between the assets carrying amount and estimated fair value.

Share-Based Compensation

Share-based compensation expense related to stock options is recorded based on the fair value of the award on its grant date which we estimate using the Black-Scholes valuation model. Share-based compensation expense related to restricted stock unit awards is calculated based on the market price of our common stock on the grant date, reduced by the present value of dividends expected to be paid on our common stock prior to vesting of the restricted stock unit. Share-based compensation expense related to equity-based performance unit awards is calculated based on the market price of our common stock on the grant date and our current assessment of achievement of the performance goals. We also have an Employee Stock Purchase Plan, which enables eligible employees to purchase Cohu common stock.

Earnings Per Share

Basic earnings per common share is computed by dividing net income by the weighted-average number of common shares outstanding during the reporting period. Diluted earnings per share includes the dilutive effect of common shares potentially issuable upon the exercise of stock options, vesting of outstanding restricted stock units and issuance of stock under our employee stock purchase plan using the treasury stock method. In loss periods, potentially dilutive securities are excluded from the per share computations due to their anti-dilutive effect. For purposes of computing diluted income per share, stock options with exercise prices that exceed the average fair market value of our common stock for the period are excluded. For the three and six months ended June 25, 2011, options to issue approximately 2,035,000 and 1,804,000 shares of common stock were excluded from the computation, respectively.

Revenue Recognition

Our revenue recognition policy is disclosed in Note 1 of the Notes to Consolidated Financial Statements included in our Annual Report on Form 10-K for the year ended December 31, 2011. As more fully described in that policy, revenue from products that have not previously satisfied customer acceptance requirements is recognized upon customer acceptance. The gross profit on sales that are not recognized is generally recorded as deferred profit and reflected as a current liability in our consolidated balance sheet.

At June 30, 2012, we had deferred revenue totaling approximately $6.9 million and deferred profit of $4.2 million. At December 31, 2011, we had deferred revenue totaling approximately $6.6 million and deferred profit of $2.8 million.

Comprehensive Loss

Our accumulated other comprehensive loss balance totaled approximately $2.3 million and $12,000 at June 30, 2012 and December 31, 2011, respectively, and was attributed to all non-owner changes in stockholders’ equity and consists of, on an after-tax basis where applicable, foreign currency adjustments resulting from the translation of certain accounts into U.S. dollars where the functional currency is the Euro, unrealized gains and losses on investments and adjustments related to postretirement benefits.

Retiree Medical Benefits

We provide post-retirement health benefits to certain executives and directors under a noncontributory plan. The net periodic benefit cost incurred during the first six months of fiscal 2012 and 2011 was not significant.

Recent Accounting Pronouncements

Recently Adopted Accounting Pronouncements - In September 2011, the FASB issued guidance to amend and simplify the rules related to testing goodwill for impairment. The revised guidance allows an entity to make an initial qualitative evaluation, based on the entity’s events and circumstances, to determine whether it is more likely than not that the fair value of a reporting unit is less than its carrying amount. The results of this qualitative assessment determine whether it is necessary to perform the currently required two-step impairment test. The new guidance is effective for annual and interim goodwill impairment tests performed for fiscal years beginning after December 15, 2011. The adoption of this new guidance in the first quarter of fiscal 2012 did not have a material impact on our consolidated financial position, results of operations or cash flows.

In June 2011, the FASB issued new guidance on the presentation of comprehensive income. Specifically, the new guidance allows an entity to present components of net income and other comprehensive income in one continuous statement, referred to as the statement of comprehensive income, or in two separate, but consecutive statements. The new guidance eliminates the current option to report other comprehensive income and its components in the statement of changes in equity. While the new guidance changes the presentation of comprehensive income, there are no changes to the components that are recognized in net income or other comprehensive income under current accounting guidance. This new guidance is effective for fiscal years and interim periods beginning after December 15, 2011. The adoption of this new guidance in the first quarter of fiscal 2012 did not have a material impact on our consolidated financial position, results of operations or cash flows.

In May 2011, the FASB issued new guidance to achieve common fair value measurement and disclosure requirements between GAAP and International Financial Reporting Standards. This new guidance amends current fair value measurement and disclosure guidance to include increased transparency around valuation inputs and investment categorization. This new guidance is effective for fiscal years and interim periods beginning after December 15, 2011. The adoption of this new guidance in the first quarter of fiscal 2012 did not have a material impact on our consolidated financial position, results of operations or cash flows.

Recently Issued Accounting Pronouncements - There have been no recent accounting pronouncements or changes to existing accounting pronouncements during the quarter ended June 30, 2012 that are of significance to Cohu.

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Contingencies

6 Months Ended

Jun. 30, 2012

Contingencies [Abstract]

Contingencies

7. Contingencies

From time-to-time we are involved in various legal proceedings, examinations by various tax authorities and claims that have arisen in the ordinary course of our businesses. Although the outcome of such legal proceedings, claims and examinations cannot be predicted with certainty, we do not believe any such matters exist at this time that will have a material adverse effect on our financial position or results of operations.

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Guarantees

6 Months Ended

Jun. 30, 2012

Guarantees [Abstract]

Guarantees

8. Guarantees

Our products are generally sold with warranty periods that range from 12 to 36 months following sale or acceptance. Parts and labor are covered under the terms of the warranty agreement. The warranty provision is based on historical and projected experience by product and configuration.

Changes in accrued warranty were as follows (in thousands):

	Three Months Ended						Six Months Ended
	June 30, 2012			June 25, 2011			June 30, 2012			June 25, 2011
Balance at beginning of period	$	6,727		$	6,303		$	6,801		$	5,016
Warranty expense accruals		1,148			2,178			2,813			5,449
Warranty payments		(1,741	)		(2,401	)		(3,480	)		(4,385	)
Balance at end of period	$	6,134		$	6,080		$	6,134		$	6,080

From time-to-time, during the ordinary course of business, we provide standby letters of credit for certain contingent liabilities under contractual arrangements, including customer contracts. As of June 30, 2012, the maximum potential amount of future payments that Cohu could be required to make under these standby letters of credit was approximately $0.5 million. We have not recorded any liability in connection with these guarantee arrangements beyond that required to appropriately account for the underlying transaction being guaranteed. We do not believe, based on historical experience and information currently available, that it is probable that any amounts will be required to be paid under these arrangements.

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Summary of Significant Accounting Policies (Tables)

6 Months Ended

Jun. 30, 2012

Summary of Significant Accounting Policies [Abstract]

Share-based compensation classified, in the condensed consolidated interim financial statements

	Three Months Ended				Six Months Ended
	June 30, 2012		June 25, 2011		June 30, 2012		June 25, 2011
Cost of sales	$	125	$	90	$	230	$	182
Research and development		337		266		660		602
Selling, general and administrative		789		582		1,405		1,202
Total share-based compensation		1,251		938		2,295		1,986
Income tax benefit		—		—		—		—
Total share-based compensation, net of tax	$	1,251	$	938	$	2,295	$	1,986

Computation of basic and diluted income per share

	Three Months Ended				Six Months Ended
	June 30, 2012		June 25, 2011		June 30, 2012		June 25, 2011
Weighted average common shares		24,432		24,103		24,392		24,060
Effect of dilutive stock options		—		381		—		423
		24,432		24,484		24,392		24,483

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Industry Segments (Details Textual)	3 Months Ended		6 Months Ended
	Jun. 30, 2012 Customer	Jun. 25, 2011 Customer	Jun. 30, 2012 Customer	Jun. 25, 2011 Customer
Industry segments (Textual) [Abstract]
Number of customer accounted for more than 10 percentage of Net sales	1	1	1	2
Percentage of consolidated net sales attributable to significant customer	38.00%	30.00%	42.00%	45.00%

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Summary of Significant Accounting Policies (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 25, 2011	Jun. 30, 2012	Jun. 25, 2011
Classification of share-based compensation
Total share-based compensation	$ 1,251	$ 938	$ 2,295	$ 1,986
Income tax benefit
Total share-based compensation, net of tax	1,251	938	2,295	1,986
Cost of sales [Member]
Classification of share-based compensation
Total share-based compensation	125	90	230	182
Research and development [Member]
Classification of share-based compensation
Total share-based compensation	337	266	660	602
Selling, general and administrative [Member]
Classification of share-based compensation
Total share-based compensation	$ 789	$ 582	$ 1,405	$ 1,202

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Goodwill and Purchased Intangible Assets (Details Textual) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 25, 2011	Jun. 30, 2012	Jun. 25, 2011	Dec. 31, 2011
Goodwill and purchased intangible assets (Textual) [Abstract]
Amortization expenses related to intangible assets	$ 1.0	$ 1.1	$ 2.0	$ 2.5
Unamortized Trade Name	$ 2.2		$ 2.2		$ 2.2

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Condensed Consolidated Statements of Comprehensive Income (Loss) (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 25, 2011	Jun. 30, 2012	Jun. 25, 2011
Statement of Income and Comprehensive Income [Abstract]
Net income (loss)	$ (2,109)	$ 5,050	$ (5,333)	$ 11,624
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustments	(4,995)	602	(2,412)	7,496
Adjustments related to postretirement benefits	44	32	76	18
Change in unrealized gain/loss on investments	(13)	28	(1)	36
Other comprehensive income (loss), net of tax	(4,964)	662	(2,337)	7,550
Comprehensive income (loss)	$ (7,073)	$ 5,712	$ (7,670)	$ 19,174

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Employee Stock Benefit Plans

6 Months Ended

Jun. 30, 2012

Employee Stock Benefit Plans [Abstract]

Employee Stock Benefit Plans

4. Employee Stock Benefit Plans

Employee Stock Purchase Plan

The Cohu, Inc. 1997 Employee Stock Purchase Plan (“the ESPP”) provides for the issuance of shares of our common stock. Under the ESPP, eligible employees may purchase shares of Cohu common stock through payroll deductions at a price equal to 85 percent of the lower of the fair market value of Cohu common stock at the beginning or end of each 6-month purchase period, subject to certain limits. During the quarter ended June 30, 2012, 68,439 shares of our common stock were purchased under the ESPP leaving 568,915 shares available for future issuance.

Stock Options

Under our equity incentive plans, stock options may be granted to employees, consultants and directors to purchase a fixed number of shares of our common stock. The exercise prices of options granted are at least equal to the fair market value of our common stock on the dates of grant. Options generally vest and become exercisable after one year or in four annual increments beginning one year after the grant date and expire ten years from the grant date. On May 9, 2012 our stockholders approved an amendment to the 2005 Equity Plan which increased the number of shares that may be issued under the Plan by 1,400,000 shares. Subsequent to this amendment, at June 30, 2012, there were 1,874,202 shares available future equity grants under the 2005 Equity Plan. We have historically issued new shares of our common stock upon share option exercise.

Subsequent to December 31, 2011, we awarded stock options covering 400,646 shares of our common stock to employees and at June 30, 2012, we had 3,216,696 stock options outstanding. These options had a weighted average exercise price of $12.59 per share, an aggregate intrinsic value of approximately $2.6 million and the weighted average remaining contractual term was approximately 5.6 years.

At June 30, 2012, we had 2,219,521 stock options outstanding that were exercisable. These options had a weighted average exercise price of $13.41 per share, an aggregate intrinsic value of $1.8 million and the weighted average remaining contractual term was approximately 4.3 years.

Restricted Stock Units

We issue restricted stock units to certain employees, consultants and directors. Restricted stock units vest over either a one-year or a four-year period from the date of grant. Prior to vesting, restricted stock units do not have dividend equivalent rights, do not have voting rights and the shares underlying the restricted stock units are not considered issued and outstanding. Shares of our common stock will be issued on the date the restricted stock units vest.

Subsequent to December 31, 2011, we awarded restricted stock units covering 432,314 shares of our common stock to employees and at June 30, 2012, we had 674,129 restricted stock units outstanding with an aggregate intrinsic value of approximately $6.8 million and the weighted average remaining vesting period was approximately 3.0 years.

Equity-Based Performance Stock Units

In March 2012, we granted equity-based performance units covering 128,916 shares of our common stock to certain employees. The number of shares of stock ultimately issued to participants will depend upon the extent to which the financial performance goals set by our Board of Directors are met. The award measurement period is based on a one-year period which ends on December 29, 2012. Based upon the level of achievement of performance goals the number of shares we will issue can range from 0% up to 150% of the number of shares under each grant which will vest over 3 years from the date of initial grant. We record a provision for equity-based performance units outstanding based on our current assessment of achievement of the performance goals. Shares of our common stock will be issued on the date the equity-based performance units vest.

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Cash, Cash Equivalents and Short-Term Investments (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Short term investments classified by security type
Amortized Cost	$ 47,400	$ 51,710
Gross Unrealized Gains	31	47
Gross Unrealized Losses	2	17
Maturities of short-term investments total, Estimated fair value	47,429	51,740	[1]
U.S. Treasury securities [Member]
Short term investments classified by security type
Amortized Cost		3,258
Gross Unrealized Gains		9
Maturities of short-term investments total, Estimated fair value		3,267
Corporate debt securities [Member]
Short term investments classified by security type
Amortized Cost	19,557	22,454
Gross Unrealized Gains	4	6
Gross Unrealized Losses		2
Maturities of short-term investments total, Estimated fair value	19,561	22,458
Municipal securities [Member]
Short term investments classified by security type
Amortized Cost	3,470	4,315
Maturities of short-term investments total, Estimated fair value	3,470	4,315
Government-sponsored enterprise securities [Member]
Short term investments classified by security type
Amortized Cost	22,873	19,033
Gross Unrealized Gains	27	32
Gross Unrealized Losses	1	15
Maturities of short-term investments total, Estimated fair value	22,899	19,050
Bank certificates of deposit [Member]
Short term investments classified by security type
Amortized Cost	1,500	2,650
Gross Unrealized Losses	1
Maturities of short-term investments total, Estimated fair value	$ 1,499	$ 2,650

[1] Derived from December 31, 2011 audited financial statements.

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Guarantees (Tables)

6 Months Ended

Jun. 30, 2012

Guarantees [Abstract]

Changes in accrued warranty

	Three Months Ended						Six Months Ended
	June 30, 2012			June 25, 2011			June 30, 2012			June 25, 2011
Balance at beginning of period	$	6,727		$	6,303		$	6,801		$	5,016
Warranty expense accruals		1,148			2,178			2,813			5,449
Warranty payments		(1,741	)		(2,401	)		(3,480	)		(4,385	)
Balance at end of period	$	6,134		$	6,080		$	6,134		$	6,080