<SEC-DOCUMENT>0000707549-19-000079-index.html : 20190430
<SEC-HEADER>0000707549-19-000079.hdr.sgml : 20190430
<ACCEPTANCE-DATETIME>20190430170252
ACCESSION NUMBER:		0000707549-19-000079
CONFORMED SUBMISSION TYPE:	S-8
PUBLIC DOCUMENT COUNT:		4
FILED AS OF DATE:		20190430
DATE AS OF CHANGE:		20190430
EFFECTIVENESS DATE:		20190430

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:			0625

	FILING VALUES:
		FORM TYPE:		S-8
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-231138
		FILM NUMBER:		19782891

	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>S-8
<SEQUENCE>1
<FILENAME>lrcx_s-8xesppamendapril2019.htm
<DESCRIPTION>S-8 ESPP AMENDMENT
<TEXT>
Document 1 - file: lrcx_s-8xesppamendapril2019.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-4.1
<SEQUENCE>2
<FILENAME>lrcx_s-8april2019ex41.htm
<DESCRIPTION>EXHIBIT 4.1
<TEXT>
Document 2 - file: lrcx_s-8april2019ex41.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-5.1
<SEQUENCE>3
<FILENAME>lrcx_s-8april2019ex51.htm
<DESCRIPTION>EXHIBIT 5.1
<TEXT>
Document 3 - file: lrcx_s-8april2019ex51.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.2
<SEQUENCE>4
<FILENAME>lrcxs8april2019ex232.htm
<DESCRIPTION>EXHIBIT 23.2
<TEXT>
Document 4 - file: lrcxs8april2019ex232.htm

</DOCUMENT>
</SEC-DOCUMENT>