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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 FmCuwwCM4XM+1UocM0hxxDYJe3dLdmXK9KYuhlcrrU34PhH2rJURPsBDU2th5ePW
 xYMqk2EOP2AoELyTQy9sCQ==

<SEC-DOCUMENT>0001179110-04-000109.txt : 20040105
<SEC-HEADER>0001179110-04-000109.hdr.sgml : 20040105
<ACCEPTANCE-DATETIME>20040105130055
ACCESSION NUMBER:		0001179110-04-000109
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20031231
FILED AS OF DATE:		20040105

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			VEECO INSTRUMENTS INC
		CENTRAL INDEX KEY:			0000103145
		STANDARD INDUSTRIAL CLASSIFICATION:	SPECIAL INDUSTRY MACHINERY, NEC [3559]
		IRS NUMBER:				112989601
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		TERMINAL DR
		CITY:			PLAINVIEW
		STATE:			NY
		ZIP:			11803
		BUSINESS PHONE:		5163498300

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	VACUUM ELECTRONIC MANUFACTURING CORP
		DATE OF NAME CHANGE:	19700408

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			KIERNAN JOHN P
		CENTRAL INDEX KEY:			0001251708

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-16244
		FILM NUMBER:		04503021

	BUSINESS ADDRESS:	
		STREET 1:		C/O VEECO INSTRUMENTS INC
		STREET 2:		100 SUNNYSIDE BLVD
		CITY:			WOODBURY
		STATE:			NY
		ZIP:			11797
		BUSINESS PHONE:		5166770200
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>FORM 4 -
<TEXT>
<XML>
<ownershipDocument>
    <schemaVersion>X0201</schemaVersion>

    <documentType>4</documentType>
<periodOfReport>2003-12-31</periodOfReport>
<notSubjectToSection16>0</notSubjectToSection16>
    <issuer>
        <issuerCik>0000103145</issuerCik>
        <issuerName>VEECO INSTRUMENTS INC</issuerName>
        <issuerTradingSymbol>VECO</issuerTradingSymbol>
</issuer>
<reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001251708</rptOwnerCik>
            <rptOwnerName>KIERNAN JOHN P</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>VEECO INSTRUMENTS INC.,</rptOwnerStreet1>
            <rptOwnerStreet2>100 SUNNYSIDE BOULEVARD SUITE B</rptOwnerStreet2>
            <rptOwnerCity>WOODBURY</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>11797</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
            <reportingOwnerRelationship>
<isDirector>0</isDirector>
<isOfficer>1</isOfficer>
<isTenPercentOwner>0</isTenPercentOwner>
<isOther>0</isOther>
<officerTitle>VP Finance &amp; Corp. Controller</officerTitle>
<otherText></otherText>
</reportingOwnerRelationship>
</reportingOwner>
<nonDerivativeTable><nonDerivativeTransaction><securityTitle><value>Common Stock, par value $.01 per share</value>
</securityTitle>
<transactionDate><value>2003-12-31</value>
</transactionDate>
<transactionCoding><transactionFormType>4</transactionFormType>
<transactionCode>A</transactionCode>
<equitySwapInvolved>0</equitySwapInvolved>
<footnoteId id="F1"></footnoteId>
</transactionCoding>
<transactionAmounts><transactionShares><value>2131</value>
</transactionShares>
<transactionPricePerShare><value>10.0683</value>
</transactionPricePerShare>
<transactionAcquiredDisposedCode><value>A</value>
</transactionAcquiredDisposedCode>
</transactionAmounts>
<postTransactionAmounts><sharesOwnedFollowingTransaction><value>2425</value>
</sharesOwnedFollowingTransaction>
</postTransactionAmounts>
<ownershipNature><directOrIndirectOwnership><value>D</value>
</directOrIndirectOwnership>
</ownershipNature>
</nonDerivativeTransaction>
</nonDerivativeTable>
<derivativeTable></derivativeTable>
<footnotes><footnote id="F1">Represents a purchase of shares under Veeco's Employee Stock Purchase Plan.</footnote>
</footnotes>
<ownerSignature><signatureName>Gregory A. Robbins, Attorney-in-fact</signatureName>
<signatureDate>2004-01-05</signatureDate>
</ownerSignature>
</ownershipDocument>

</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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