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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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<SEC-DOCUMENT>0001040470-06-000040.txt : 20060728
<SEC-HEADER>0001040470-06-000040.hdr.sgml : 20060728
<ACCEPTANCE-DATETIME>20060728124307
ACCESSION NUMBER:		0001040470-06-000040
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20060726
FILED AS OF DATE:		20060728
DATE AS OF CHANGE:		20060728

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			AEHR TEST SYSTEMS
		CENTRAL INDEX KEY:			0001040470
		STANDARD INDUSTRIAL CLASSIFICATION:	INSTRUMENTS FOR MEAS & TESTING OF ELECTRICITY & ELEC SIGNALS [3825]
		IRS NUMBER:				942424084
		STATE OF INCORPORATION:			CA
		FISCAL YEAR END:			0531

	BUSINESS ADDRESS:	
		STREET 1:		400 KATO TERRACE
		CITY:			FREMONT
		STATE:			CA
		ZIP:			94539
		BUSINESS PHONE:		5106239400

	MAIL ADDRESS:	
		STREET 1:		400 KATO TERRACE
		CITY:			FREMONT
		STATE:			CA
		ZIP:			94539

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			ANDERSON ROBERT R
		CENTRAL INDEX KEY:			0001202728

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-22893
		FILM NUMBER:		06986872

	MAIL ADDRESS:	
		STREET 1:		MKS INSTRUMENTS, INC
		STREET 2:		SIX SHATTUCK ROAD
		CITY:			ANDOVER
		STATE:			MA
		ZIP:			01810
</SEC-HEADER>
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<TYPE>4
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
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            <rptOwnerStreet2>SIX SHATTUCK ROAD</rptOwnerStreet2>
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            <rptOwnerState>MA</rptOwnerState>
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    <footnotes>
        <footnote id="F1">One twelfth (1/12) of the total number of shares became exercisable on this date and an additional one twelfth (1/12) of the total number of shares became exercisable each month thereafter.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>ROBERT A. ANDERSON</signatureName>
        <signatureDate>2006-07-27</signatureDate>
    </ownerSignature>
</ownershipDocument>
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</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----