<SEC-DOCUMENT>0001437749-18-004962-index.html : 20180319
<SEC-HEADER>0001437749-18-004962.hdr.sgml : 20180319
<ACCEPTANCE-DATETIME>20180319160540
ACCESSION NUMBER:		0001437749-18-004962
CONFORMED SUBMISSION TYPE:	425
PUBLIC DOCUMENT COUNT:		3
FILED AS OF DATE:		20180319
DATE AS OF CHANGE:		20180319

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ORBOTECH LTD
		CENTRAL INDEX KEY:			0000749037
		STANDARD INDUSTRIAL CLASSIFICATION:	INDUSTRIAL INSTRUMENTS FOR MEASUREMENT, DISPLAY, AND CONTROL [3823]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			L3
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		425
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-12790
		FILM NUMBER:		18698767

	BUSINESS ADDRESS:	
		STREET 1:		SANHEDRIN BOULEVARD
		STREET 2:		P. O. BOX 215
		CITY:			YAVNE ISRAEL
		STATE:			L3
		ZIP:			81101
		BUSINESS PHONE:		972-8-9423533

	MAIL ADDRESS:	
		STREET 1:		SANHEDRIN BOULEVARD
		STREET 2:		P. O. BOX 215
		CITY:			YAVNE ISRAEL
		STATE:			L3
		ZIP:			81101

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	OPTROTECH LTD
		DATE OF NAME CHANGE:	19921106

FILED BY:		

	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:		425

	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>425
<SEQUENCE>1
<FILENAME>klac20180319_8k.htm
<DESCRIPTION>FORM 8-K
<TEXT>
Document 1 - file: klac20180319_8k.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-2.1
<SEQUENCE>2
<FILENAME>ex_108317.htm
<DESCRIPTION>EXHIBIT 2.1
<TEXT>
Document 2 - file: ex_108317.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>3
<FILENAME>ex_108318.htm
<DESCRIPTION>EXHIBIT 99.1
<TEXT>
Document 3 - file: ex_108318.htm

</DOCUMENT>
</SEC-DOCUMENT>