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                                                                    EXHIBIT 23.2
 
                       CONSENT OF INDEPENDENT ACCOUNTANTS
 
     We hereby consent to the incorporation by reference in the Prospectus
constituting part of this Registration Statement on Form S-3 of Lam Research
Corporation of our report dated July 24, 1997, except for Note 2, which is dated
as of August 5, 1997, relating to the consolidated financial statements of
OnTrak Systems, Inc., which appears on page 7 of Lam Research Corporation's
Current Report on Form 8-K/A dated August 5, 1997 as amended on October 3, 1997.
We also consent to the use in the Prospectus constituting part of this
Registration Statement on Form S-3 of Lam Research Corporation of our report
dated July 24, 1997, except for Note 2, which is dated as of August 5, 1997,
relating to the consolidated financial statements of OnTrak Systems, Inc. which
appears in such Prospectus. We also consent to the reference to us under the
heading "Experts" in such Prospectus.
 
PRICE WATERHOUSE LLP
 
San Jose, California
October 27, 1997
