<SEC-DOCUMENT>0001193125-20-270258-index.html : 20201015
<SEC-HEADER>0001193125-20-270258.hdr.sgml : 20201015
<ACCEPTANCE-DATETIME>20201015160252
ACCESSION NUMBER:		0001193125-20-270258
CONFORMED SUBMISSION TYPE:	DEFA14A
PUBLIC DOCUMENT COUNT:		2
FILED AS OF DATE:		20201015
DATE AS OF CHANGE:		20201015
EFFECTIVENESS DATE:		20201015

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			LAM RESEARCH CORP
		CENTRAL INDEX KEY:			0000707549
		STANDARD INDUSTRIAL CLASSIFICATION:	SPECIAL INDUSTRY MACHINERY, NEC [3559]
		IRS NUMBER:				942634797
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0628

	FILING VALUES:
		FORM TYPE:		DEFA14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-12933
		FILM NUMBER:		201241533

	BUSINESS ADDRESS:	
		STREET 1:		4650 CUSHING BLVD
		CITY:			FREMONT
		STATE:			CA
		ZIP:			94538
		BUSINESS PHONE:		5106590200

	MAIL ADDRESS:	
		STREET 1:		4650 CUSHING PARKWAY
		CITY:			FREMONT
		STATE:			CA
		ZIP:			94538
</SEC-HEADER>
<DOCUMENT>
<TYPE>DEFA14A
<SEQUENCE>1
<FILENAME>d49624ddefa14a.htm
<DESCRIPTION>DEFA14A
<TEXT>
Document 1 - file: d49624ddefa14a.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>g49624g1015121419232.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: g49624g1015121419232.jpg

</DOCUMENT>
</SEC-DOCUMENT>