EXHIBIT 23
CONSENT OF ERNST & YOUNG LLP, INDEPENDENT AUDITORS
We consent to the incorporation by reference in this Annual Report (Form 10-
K) of Lam Research Corporation of our report dated August 26, 1997, included
in the 1997 Annual Report to Stockholders of Lam Research Corporation.
Our audits also included the financial statement schedule of Lam Research
Corporation listed in Item 14(a). This schedule is the responsibility of the
Company's management. Our responsibility is to express an opinion based on our
audits. In our opinion, the financial statement schedule referred to above,
when considered in relation to the basic financial statements taken as a
whole, presents fairly in all material respects the information set forth
therein.
We also consent to incorporation by reference in the Registration Statements
(Form S-4 No. 333-30545; and Form S-8 Nos. 333-01011, 333-18115 and 333-32981)
of our report dated August 26, 1997, with respect to the consolidated
financial statements incorporated herein by reference, and our report included
in the preceding paragraph with respect to the financial statement schedule
included in this Annual Report (Form 10-K) of Lam Research Corporation.
/s/ Ernst & Young LLP
San Jose, California
September 25, 1997