UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, DC 20549

FORM 6-K

REPORT OF FOREIGN PRIVATE ISSUER

Pursuant to Rule 13a-16 or 15d-16 under the

Securities Exchange Act of 1934

For the month of: July 2011

Commission File Number: 001-08139

Zarlink Semiconductor Inc.

(Name of Registrant)

400 March Road

Ottawa, Ontario, Canada K2K 3H4

(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 o

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1): ________

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7): ________

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 o No x

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

On July 25, 2011, Zarlink Semiconductor Inc. issued a press release announcing that consistent with the strategic alternatives review process announced by Zarlink to enhance shareholder value, its Board of Directors has adopted a limited duration shareholder rights plan (the "Rights Plan") pursuant to a shareholder rights plan agreement entered into by Zarlink and Computershare Investor Services Inc., as rights agent. The Rights Plan is intended to allow the Board of Directors to effectively enhance shareholder value and to ensure that all shareholders are treated fairly and equally in connection with any take-over bid for Zarlink.

Exhibit No.		Description

99.1		Press release dated July 25, 2011

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.

Zarlink Semiconductor Inc.

Dated: July 25, 2011 By: /s/ Andre Levasseur

Andre Levasseur

Senior Vice President of Finance and

Chief Financial Officer

ZARLINK SEMICONDUCTOR INC 6-K