<SEC-DOCUMENT>0000707549-18-000119-index.html : 20180917
<SEC-HEADER>0000707549-18-000119.hdr.sgml : 20180917
<ACCEPTANCE-DATETIME>20180917160640
ACCESSION NUMBER:		0000707549-18-000119
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		3
CONFORMED PERIOD OF REPORT:	20180917
ITEM INFORMATION:		Regulation FD Disclosure
ITEM INFORMATION:		Financial Statements and Exhibits
FILED AS OF DATE:		20180917
DATE AS OF CHANGE:		20180917

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:		8-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-12933
		FILM NUMBER:		181073509

	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>8-K
<SEQUENCE>1
<FILENAME>lrcx_8-kxconversionrateadj.htm
<DESCRIPTION>8-K CONVERSION RATE ADJUSTMENT SEP_2018
<TEXT>
Document 1 - file: lrcx_8-kxconversionrateadj.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99
<SEQUENCE>2
<FILENAME>lrcx_exhibitx991x8kxsepx20.htm
<DESCRIPTION>EXHIBIT 99
<TEXT>
Document 2 - file: lrcx_exhibitx991x8kxsepx20.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>lamresearchlogocolora29.jpg
<TEXT>
Document 3 - file: lamresearchlogocolora29.jpg

</DOCUMENT>
</SEC-DOCUMENT>