Segment and Major Customer Information

3 Months Ended

Sep. 30, 2011

Segment Reporting Disclosure [Text Block]

Note 14: Segment and Major Customer Information

Our business is organized into two operating divisions – Metrology Solutions (Metrology Solutions segment) and Optical Systems (Optical Systems segment). Consistent with our business structure, we reported our segments as Metrology and Optics. Our Metrology Solutions segment includes 3-Dimensional surface metrology products, precision positioning systems and custom engineered solutions used in the semiconductor, research, defense and industrial markets. Zygo’s Optical Systems segment designs, develops and manufactures high precision optical components and electro-optical systems used in the semiconductor, defense, life-sciences and research markets. The chief operating decision-maker uses this information to allocate resources.

The following table sets forth segment net revenues, gross profit and gross margin for the three months ended September 30, 2011 and 2010:

	Three Months Ended September 30,
	2011			2010
Metrology Solutions
Net revenues	$	29,842		$	20,849
Gross profit	$	17,370		$	11,109
Gross margin		58	%		53	%
Optical Systems
Net revenues	$	14,150		$	10,270
Gross profit	$	4,247		$	3,094
Gross margin		30	%		30	%
Total
Net revenues	$	43,992		$	31,119
Gross profit	$	21,617		$	14,203
Gross margin		49	%		46	%

Separate financial information by segment for total assets, capital expenditures and depreciation and amortization is not evaluated by our chief operating decision-maker. Substantially all of our operating expenses, assets and depreciation and amortization are U.S. based.

The following table sets forth revenues by geographic area:

	Three Months Ended September 30,
	2011		2010
Americas	$	24,293	$	16,908
Japan		6,786		5,882
China		6,080		2,771
Europe		4,271		3,611
Pacific Rim		2,562		1,947
Total	$	43,992	$	31,119

Revenues from two customers accounted for 21% of the revenues for the three months ended September 30, 2011. Revenues from one of these customers also accounted for 11% of the revenues for the three months ended September 30, 2010. Revenues from these customers were included in both of our segments. See Note 15, “Transactions with Stockholder”.