    <SEC-DOCUMENT>0000056978-22-000019-index.html : 20220114
    <SEC-HEADER>0000056978-22-000019.hdr.sgml : 20220114
    <ACCEPTANCE-DATETIME>20220114061745
    ACCESSION NUMBER:		0000056978-22-000019
    CONFORMED SUBMISSION TYPE:	DEF 14A
    PUBLIC DOCUMENT COUNT:		8
    CONFORMED PERIOD OF REPORT:	20211002
    FILED AS OF DATE:		20220114
    DATE AS OF CHANGE:		20220114

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			KULICKE & SOFFA INDUSTRIES INC
    		CENTRAL INDEX KEY:			0000056978
    		STANDARD INDUSTRIAL CLASSIFICATION:	SEMICONDUCTORS & RELATED DEVICES [3674]
    		IRS NUMBER:				231498399
    		STATE OF INCORPORATION:			PA
    		FISCAL YEAR END:			1002

    	FILING VALUES:
    		FORM TYPE:		DEF 14A
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	000-00121
    		FILM NUMBER:		22530403

    	BUSINESS ADDRESS:
    		STREET 1:		23A SERANGOON NORTH AVENUE 5, #01-01
    		CITY:			SINGAPORE
    		STATE:			U0
    		ZIP:			554369
    		BUSINESS PHONE:		2157846000

    	MAIL ADDRESS:
    		STREET 1:		23A SERANGOON NORTH AVENUE 5, #01-01
    		CITY:			SINGAPORE
    		STATE:			U0
    		ZIP:			554369
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>DEF 14A
    <SEQUENCE>1
    <FILENAME>a2021def14a.htm
    <DESCRIPTION>DEF 14A
    <TEXT>
    Document 1 - file: a2021def14a.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>2
    <FILENAME>a2014kstracedlogoa05a.jpg
    <TEXT>
    Document 2 - file: a2014kstracedlogoa05a.jpg

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

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>4
    <FILENAME>relativetsrpay4perfa04.jpg
    <TEXT>
    Document 4 - file: relativetsrpay4perfa04.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>5
    <FILENAME>votingimage1.jpg
    <TEXT>
    Document 5 - file: votingimage1.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>6
    <FILENAME>votingimage2.jpg
    <TEXT>
    Document 6 - file: votingimage2.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>7
    <FILENAME>votingimage3.jpg
    <TEXT>
    Document 7 - file: votingimage3.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>8
    <FILENAME>votingimage4.jpg
    <TEXT>
    Document 8 - file: votingimage4.jpg

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    </SEC-DOCUMENT>