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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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<SEC-DOCUMENT>0001040470-10-000017.txt : 20100429
<SEC-HEADER>0001040470-10-000017.hdr.sgml : 20100429
<ACCEPTANCE-DATETIME>20100429161407
ACCESSION NUMBER:		0001040470-10-000017
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20100427
FILED AS OF DATE:		20100429
DATE AS OF CHANGE:		20100429

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			BUCK CARL N
		CENTRAL INDEX KEY:			0001243930

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-22893
		FILM NUMBER:		10781894

	MAIL ADDRESS:	
		STREET 1:		C/O AEHR TEST SYSTEMS
		STREET 2:		400 KATO TERRACE
		CITY:			FREMONT
		STATE:			CA
		ZIP:			94539

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:			0127

	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
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
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        <issuerName>AEHR TEST SYSTEMS</issuerName>
        <issuerTradingSymbol>AEHR</issuerTradingSymbol>
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            <rptOwnerName>BUCK CARL N</rptOwnerName>
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            <rptOwnerStreet1>C/O AEHR TEST SYSTEMS</rptOwnerStreet1>
            <rptOwnerStreet2>400 KATO TERRACE</rptOwnerStreet2>
            <rptOwnerCity>FREMONT</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94539</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
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            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>VP, MARKETING AND CONTACTOR BU</officerTitle>
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    </reportingOwner>

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    <derivativeTable>
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            <securityTitle>
                <value>Incentive Stock Option (right to buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
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                <transactionPricePerShare>
                    <value>2.88</value>
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            <exerciseDate>
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                <underlyingSecurityShares>
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    <footnotes>
        <footnote id="F1">One forty-eighth (1/48) of the total number of shares became exercisable on this date and an additional one forty-eighth (1/48) of the total number of shares became exercisable each month thereafter.</footnote>
        <footnote id="F2">Includes (a) 3,000 shares acquired under the Aehr Test Employee Stock Purchase Plan (the &quot;ESPP&quot;) on April 1, 2009 (b) 3,000 shares acquired under the ESPP on October 1, 2009 and (c) 3,000 shares acquired under the ESPP on April 1, 2010.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>CARL N. BUCK</signatureName>
        <signatureDate>2010-04-28</signatureDate>
    </ownerSignature>
</ownershipDocument>
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</TEXT>
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</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----