<SEC-DOCUMENT>0000319201-15-000031-index.html : 20150508
<SEC-HEADER>0000319201-15-000031.hdr.sgml : 20150508
<ACCEPTANCE-DATETIME>20150507173305
ACCESSION NUMBER:		0000319201-15-000031
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		3
CONFORMED PERIOD OF REPORT:	20150507
ITEM INFORMATION:		Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year
ITEM INFORMATION:		Other Events
ITEM INFORMATION:		Financial Statements and Exhibits
FILED AS OF DATE:		20150508
DATE AS OF CHANGE:		20150507

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			KLA TENCOR CORP
		CENTRAL INDEX KEY:			0000319201
		STANDARD INDUSTRIAL CLASSIFICATION:	OPTICAL INSTRUMENTS & LENSES [3827]
		IRS NUMBER:				042564110
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0630

	FILING VALUES:
		FORM TYPE:		8-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-09992
		FILM NUMBER:		15843203

	BUSINESS ADDRESS:	
		STREET 1:		ONE TECHNOLOGY DRIVE
		CITY:			MILPITAS
		STATE:			CA
		ZIP:			95035
		BUSINESS PHONE:		4088756000

	MAIL ADDRESS:	
		STREET 1:		ONE TECHNOLOGY DRIVE
		CITY:			MILPITAS
		STATE:			CA
		ZIP:			95035

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	KLA INSTRUMENTS CORP
		DATE OF NAME CHANGE:	19920703
</SEC-HEADER>
<DOCUMENT>
<TYPE>8-K
<SEQUENCE>1
<FILENAME>form8-kitems503801and901.htm
<DESCRIPTION>8-K
<TEXT>
Document 1 - file: form8-kitems503801and901.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-3.1
<SEQUENCE>2
<FILENAME>exhibit31amendedandrestate.htm
<DESCRIPTION>AMENDED AND RESTATED BY-LAWS OF KLA-TENCOR CORPORATION
<TEXT>
Document 2 - file: exhibit31amendedandrestate.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>3
<FILENAME>exhibit991textofpressrelea.htm
<DESCRIPTION>TEXT OF PRESS RELEASE ISSUED BY KLA-TENCOR CORPORATION DATED MAY 7, 2015
<TEXT>
Document 3 - file: exhibit991textofpressrelea.htm

</DOCUMENT>
</SEC-DOCUMENT>