UNITED STATES
                   SECURITIES AND EXCHANGE COMMISSION
                         Washington, D.C. 20594


                              SCHEDULE 13G

               Under the Securities Exchange Act of 1934


                         (Amendment No.     )*



                         Lam Research Corporation

                             (Name of Issuer)

                               Common Stock

                      (Title of Class of Securities)

                                512807108

                              (CUSIP Number)


Check the following box if a fee is being paid with this statement [ ].
(A fee is not required only if the filing person: (1) has a previous
statement on file reporting beneficial ownership of more than five
percent of the class of securities described in Item 1: and (2) has
filed no amendment subsequent thereto reporting beneficial ownership of
five percent or less of such class.) (See Rule 13d-7).

*The remainder of this cover page shall be filled out for a reporting
person's initial filing on this form with respect to the subject class
of securities, and for any subsequent amendment containing information
which would alter the disclosures provided in a prior cover page.

The information required in the remainder of this cover page shall not
be deemed to be "filed" for the purpose of Section 18 of the Securities
Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of
that section of the Act but shall be subject to all other provisions of
the Act (however, see the Notes).




















<PAGE>
 1   NAME OF REPORTING PERSON
     S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
     The Capital Group Companies, Inc.
     86-0206507

 2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
        (a) 
        (b) 

     SEC USE ONLY
 3



     CITIZENSHIP OR PLACE OF ORGANIZATION
 4

     Delaware

              5   SOLE VOTING POWER

                  2,477,200

 NUMBER OF        SHARED VOTING POWER
              6
   SHARES
BENEFICIALL       NONE
 Y OWNED BY
    EACH      7   SOLE DISPOSITIVE POWER
 REPORTING
PERSON WITH       3,137,200

                  SHARED DISPOSITIVE POWER
              8

                  NONE

     AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
 9

     3,137,200   Beneficial ownership disclaimed pursuant to Rule 13d-4

     CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
 10



 11  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

     10.2%

     TYPE OF REPORTING PERSON*
 12

     HC

                 * SEE INSTRUCTION BEFORE FILLING OUT!













<PAGE>



 1   NAME OF REPORTING PERSON
     S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
     Capital Guardian Trust Company
     95-2553868

 2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
        (a) 
        (b) 

     SEC USE ONLY
 3



     CITIZENSHIP OR PLACE OF ORGANIZATION
 4

     California

              5   SOLE VOTING POWER

                  1,925,000

 NUMBER OF        SHARED VOTING POWER
              6
   SHARES
BENEFICIALL       NONE
 Y OWNED BY
    EACH      7   SOLE DISPOSITIVE POWER
 REPORTING
PERSON WITH       2,585,000

                  SHARED DISPOSITIVE POWER
              8

                  NONE

     AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
 9

     2,585,000   Beneficial ownership disclaimed pursuant to Rule 13d-4

     CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
 10



 11  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

     8.4%

     TYPE OF REPORTING PERSON*
 12

     BK

                 * SEE INSTRUCTION BEFORE FILLING OUT!










<PAGE>

                   SECURITIES AND EXCHANGE COMMISSION
                          Washington, DC 20549

                              Schedule 13G
               Under the Securities Exchange Act of 1934


Amendment No.      
                    
                  
                 

Item 1(a)   Name of Issuer:
       Lam Research Corporation

Item 1(b)   Address of Issuer's Principal Executive Offices:
       4650 Cushing Parkway
       Fremont, CA 94538

Item 2(a)   Name of Person(s) Filing:
       The Capital Group Companies, Inc., Capital Guardian Trust Company

Item 2(b)   Address of Principal Business Office:
       333 South Hope Street
       Los Angeles, CA  90071

Item 2(c)   Citizenship:   N/A

Item 2(d)   Title of Class of Securities:
       Common Stock

Item 2(e)   CUSIP Number:
       512807108

Item 3   The person(s) filing is(are):

       (b)   [X]   Bank as defined in Section 3(a)(6) of the Act.
       (g)    [X]   Parent Holding Company in accordance with Section
            240.13d-1(b)(1)(ii)(G).

Item 4   Ownership

       The Capital Group Companies, Inc., is the parent holding company
       of a group of investment management companies that hold
       investment power and, in some cases, voting power over the
       securities reported in this Schedule 13G. The investment
       management companies, which include a "bank" as defined in
       Section 3(a)6 of the Securities Exchange Act of 1934 (the "Act")
       and several investment advisers registered under Section 203 of
       the Investment Advisers Act of 1940, provide investment advisory
       and management services for their respective clients which
       include registered investment companies and institutional
       accounts. The Capital Group Companies, Inc. does not have
       investment power or voting power over any of the securities
       reported herein; however, The Capital Group Companies, Inc., may
       be deemed to "beneficially own" such securities by virtue of Rule
       13d-3 under the Act.

       Capital Guardian Trust Company, a bank as defined in Section
       3(a)6 of the Act and a wholly owned subsidiary of The Capital
       Group Companies, Inc., is the beneficial owner of 2,585,000
       shares or 8.4% of the 30,665,000 shares of Common Stock believed
       to be outstanding as a result of its serving as the investment
       manager of various institutional accounts.

<PAGE>



       The remaining shares reported as being beneficially owned by The
       Capital Group Companies, Inc. are beneficially owned by other
       subsidiaries of The Capital Group Companies, Inc. listed under
       item 7, none of which by itself owns 5% or more of the
       outstanding securities.



Item 5   Ownership of 5% or Less of a Class: [ ]

Item 6   Ownership of More than 5% on Behalf of Another Person: N/A

Item 7   Identification and Classification of the Subsidiary Which
       Acquired the Security Being Reported on By the Parent Holding
       Company

       1. Capital Guardian Trust Company is a bank as defined in Section
          3(a)(6) of the Act and a wholly owned subsidiary of The
          Capital Group Companies, Inc.

       2. Capital International S.A. (CISA) does not fall within any of
          the categories described in Rule 13d-1-(b)(ii)(A-F) but its
          holdings of any reported securities come within the five
          percent limitation as set forth in a December 15, 1986 no-
          action letter from the Staff of the Securities and Exchange
          Commission to The Capital Group Companies, Inc. CISA is a
          wholly owned subsidiary of Capital Group International, Inc.
          which is a wholly owned subsidiary of The Capital Group
          Companies, Inc.

       3. Capital International Limited (CIL) does not fall within any
          of the categories described in Rule 13d-1-(b)(ii)(A-F) but its
          holdings of any reported securities come within the five
          percent limitation as set forth in a December 15, 1986 no-
          action letter from the Staff of the Securities and Exchange
          Commission to The Capital Group Companies, Inc. CIL is a
          wholly owned subsidiary of Capital Group International, Inc.
          which is a wholly owned subsidiary of The Capital Group
          Companies, Inc.

       4. Capital International Research and Management, Inc. dba
          Capital International, Inc. is an Investment Adviser
          registered under Section 203 of the Investment Adviser Act of
          1940 and is a wholly owned subsidiary of Capital Group
          International, Inc. which is a wholly owned subsidiary of The
          Capital Group Companies, Inc.


Item 8   Identification and Classification of Members of the Group:  N/A

Item 9   Notice of Dissolution of the Group:  N/A

Item 10   Certification







<PAGE>


       By signing below, I certify that, to the best of my knowledge and
       belief, the securities referred to above were acquired in the
       ordinary course of business and were not acquired for the purpose
       of and do not have the effect of changing or influencing the
       control of the issuer of such securities and were not acquired in
       connection with or as a participant in any transaction having
       such purpose or effect.

   Signature

       After reasonable inquiry and to the best of my knowledge and
       belief, I certify that the information set forth in this
       statement is true, complete and correct.


        Date:          July 9, 1997

        Signature:     *Larry P. Clemmensen

        Name/Title:    Larry P. Clemmensen, President

                       The Capital Group Companies, Inc.


        Date:          July 9, 1997

        Signature:     *David I. Fisher

        Name/Title:    David I. Fisher, Vice Chairman

                       Capital Guardian Trust Company




        *By

               James P. Ryan
               Attorney-in-fact

               Signed pursuant to a Power of Attorney dated February 11,
               1997 included as an Exhibit to Schedule 13G filed with
               the Securities and Exchange Commission by The Capital
               Group Companies, Inc. on February 12, 1997 with respect
               to AAR Corporation.
















<PAGE>

                               AGREEMENT

                            Los Angeles, CA
                              July 9, 1997

  The Capital Group Companies, Inc. ("CGC") and Capital Guardian Trust
Company ("CGTC") hereby agree to file a joint statement on Schedule 13G
under the Securities Exchange Act of 1934 (the "Act") in connection with
their beneficial ownership of Common Stock issued by Lam Research
Corporation.

  CGC and CGTC state that they are each entitled to individually use
Schedule 13G pursuant to Rule 13d-1(c) of the Act.

  CGC and CGTC are each responsible for the timely filing of the
statement and any amendments thereto, and for the completeness and
accuracy of the information concerning each of them contained therein
but are not responsible for the completeness or accuracy of the
information concerning the others.



                 THE CAPITAL GROUP COMPANIES, INC.

                 BY:               *Larry P. Clemmensen

                                   Larry P. Clemmensen, President
                                   The Capital Group Companies,
                                   Inc.


                 CAPITAL GUARDIAN TRUST COMPANY

                 BY:               *David I. Fisher

                                   David I. Fisher, Vice Chairman
                                   Capital Guardian Trust Company


*By

     James P. Ryan
     Attorney-in-fact

     Signed pursuant to a Power of Attorney dated February 11, 1997
     included as an Exhibit to Schedule 13G filed with the Securities
     and Exchange Commission by The Capital Group Companies, Inc. on
     February 12, 1997 with respect to AAR Corporation.