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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

Current Report

Pursuant to Section 13 or 15(d) of the

Securities Exchange Act of 1934

Date of report (Date of earliest event reported): February 6, 2012

LAM RESEARCH CORPORATION

(Exact name of registrant as specified in its charter)

4650 Cushing Parkway

Fremont, California 94538

(Address of principal executive offices including zip code)

(510) 572-0200

(Registrant’s telephone number, including area code)

Not Applicable

(Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

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Item 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.

On February 6, 2012, the Board of Directors of Lam Research Corporation (the “Company”), pursuant to applicable provisions of the Company’s bylaws, appointed Martin B. Anstice as a director of the Company effective on the date of the appointment. Mr. Anstice was not named to serve on any Board committees. Mr. Anstice will not receive any compensation solely for his service as a director of the Company. Mr. Anstice, as the Company’s president and chief executive officer, is party to an Employment Agreement effective January 1, 2012 with the Company, as previously disclosed in the Company’s Current Report on Form 8-K, filed on December 5, 2011.

Mr. Anstice, 44, joined the Company in April 2001 as Senior Director, Operations Controller, was promoted to the position of Managing Director and Corporate Controller in May 2002, was promoted to Group Vice President, Chief Financial Officer, and Chief Accounting Officer in June 2004, was named Senior Vice President, Chief Financial Officer and Chief Accounting Officer in March 2007, was promoted to Executive Vice President, Chief Operating Officer, in September 2008, and was named President in December 2010 and Chief Executive Officer effective January 2, 2012. Mr. Anstice began his career at Raychem Corporation where, during his 13-year tenure, he held numerous finance roles of increasing responsibility in Europe and North America. Subsequent to Tyco International’s acquisition of Raychem in 1999, he assumed responsibilities supporting mergers and acquisition activities of Tyco Electronics. Mr. Anstice is an associate member of the Chartered Institute of Management Accountants in the United Kingdom.

There are no arrangements or understandings between Mr. Anstice and any other persons pursuant to which Mr. Anstice was named as a director of the Company. Mr. Anstice does not have any family relationship with any of the Company’s directors or executive officers or any persons nominated or chosen by the Company to be a director or executive officer. Mr. Anstice has no direct or indirect material interest in any transaction or proposed transaction required to be reported under Section 404(a) of Regulation S-K or Item 5.02(d) of Form 8-K.

The Company’s press release, dated February  9, 2012, relating to the appointment is attached to this Form 8-K as Exhibit 99.1.

Item 9.01 Financial Statements and Exhibits.

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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 hereunto duly authorized.

Date: February 9, 2012