SECURITIES AND EXCHANGE COMMISSION

Washington, DC 20549

FORM 6-K

REPORT OF FOREIGN PRIVATE ISSUER

PURSUANT TO RULE 13a-16 OR 15d-16 OF

THE SECURITIES EXCHANGE ACT OF 1934

For the month of June, 2010

ChipMOS TECHNOLOGIES (Bermuda) LTD.

(Translation of Registrant’s Name Into English)

No. 1, R&D Rd. 1, Hsinchu Science Park

Hsinchu, Taiwan

Republic of China

(Address of Principal Executive Offices)

(Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F.)

Form 20-F   x            Form 40-F  ¨

(Indicate by check mark whether the registrant by furnishing the information contained in this form is also thereby furnishing the information to the Commission pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934.)

Yes  ¨             No  x

(If “Yes” is marked, indicate below the file number assigned to the registrant in connection with Rule 12g3-2(b): 82-            .)

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.

	ChipMOS TECHNOLOGIES (Bermuda) LTD.
	(Registrant)
Date: June 17, 2010	By	/S/    S. J. CHENG
	Name:	S. J. Cheng
	Title:	Chairman & Chief Executive Officer

Contacts:

In Taiwan R.O.C. Dr. S.K. Chen ChipMOS TECHNOLOGIES (Bermuda) LTD. +886-6-507-7712 s.k._chen@chipmos.com In the U.S. David Pasquale Global IR Partners +1-914-337-8801 dpasquale@globalirpartners.com

ChipMOS REPORTS MAY 2010 REVENUE

Hsinchu, Taiwan, June 17, 2010 – ChipMOS TECHNOLOGIES (Bermuda) LTD. (“ChipMOS” or the “Company”) (Nasdaq: IMOS) today reported its unaudited consolidated revenue for the month of May 2010.

Revenue for the month of May 2010 was NT$1,540.8 million or US$48.2 million, an increase of 11.6% from the month of April 2010 and an increase of 60.3% from the same period in 2009. (All translations from NT dollars to U.S. dollars were made at the exchange rate of NT$32.00 against US$1.00 as of May 28, 2010.)

Consolidated Monthly Revenues (Unaudited)

	May 2010	April 2010	May 2009	MoM Change		YoY Change
Revenues (NT$ million)	1,540.8	1,380.7	961.2	11.6	%	60.3	%
Revenues (US$ million)	48.2	43.1	30.0	11.6	%	60.3	%

ChipMOS’ May 2010 consolidated revenues included revenues of ChipMOS TECHNOLOGIES INC. (“ChipMOS Taiwan”), ChipMOS U.S.A., Inc., MODERN MIND TECHNOLOGY LIMITED and its wholly-owned subsidiary ChipMOS TECHNOLOGIES (Shanghai) LTD. (“ChipMOS Shanghai”), and ThaiLin Semiconductor Corp. (“ThaiLin”).

As a result of the continued significant growth in revenues, all of the Company’s revenue contributing subsidiaries, ChipMOS Taiwan, ChipMOS Shanghai, and ThaiLin, achieved profitability in the month of May 2010. ChipMOS TECHNOLOGIES (Bermuda) LTD. was also profitable in May after accruing for the A/R recovery from a Major customer. The Company continues to expect gross margin on a consolidated basis for the second quarter of 2010 to be in the range between -3% to +3%.

About ChipMOS TECHNOLOGIES (Bermuda) LTD.:

ChipMOS (http://www.chipmos.com ) is a leading independent provider of semiconductor testing and assembly services to customers in Taiwan, Japan, and the U.S. With advanced facilities in Hsinchu and Southern Taiwan Science Parks in Taiwan and Shanghai, ChipMOS and its subsidiaries provide testing and assembly services to a broad range of customers, including leading fabless semiconductor companies, integrated device manufacturers and independent semiconductor foundries.

Forward-Looking Statements

Certain statements contained in this announcement may be viewed as “forward-looking statements” within the meaning of Section 27A of the U.S. Securities Act of 1933, as amended, and Section 21E of the U.S. Securities Exchange Act of 1934, as amended. Such forward-looking statements involve known and unknown risks, uncertainties and other factors, which may cause the actual performance, financial condition or results of operations of the Company to be materially different from any future performance, financial condition or results of operations implied by such forward-looking statements. Further information regarding these risks, uncertainties and other factors is included in the Company’s most recent Annual Report on Form 20-F filed with the U.S. Securities and Exchange Commission (the “SEC”) and in the Company’s other filings with the SEC.