-----BEGIN PRIVACY-ENHANCED MESSAGE-----
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,
 Okb4F6vQys8nHlqF1x1vdIdtUuERt8+mAO6w+3gAgNaEpXsgIeSHAG+gqFEstfJU
 HQG16yN9uu7QjRmw+xWCCQ==

<SEC-DOCUMENT>0000351012-03-000011.txt : 20030626
<SEC-HEADER>0000351012-03-000011.hdr.sgml : 20030626
<ACCEPTANCE-DATETIME>20030626092458
ACCESSION NUMBER:		0000351012-03-000011
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20030625
FILED AS OF DATE:		20030626

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			INTERMAGNETICS GENERAL CORP
		CENTRAL INDEX KEY:			0000351012
		STANDARD INDUSTRIAL CLASSIFICATION:	MISCELLANEOUS FABRICATED METAL PRODUCTS [3490]
		IRS NUMBER:				141537454
		STATE OF INCORPORATION:			NY
		FISCAL YEAR END:			0531

	BUSINESS ADDRESS:	
		STREET 1:		450 OLD NISKAYUNA RD
		STREET 2:		PO BOX 461
		CITY:			LATHAM
		STATE:			NY
		ZIP:			12110-0461
		BUSINESS PHONE:		5187821122

	MAIL ADDRESS:	
		STREET 1:		450 OLD NISKAYUNA ROAD
		STREET 2:		PO BOX 461
		CITY:			LATHAM
		STATE:			NY
		ZIP:			12110-0461

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			KEMPNER THOMAS L
		CENTRAL INDEX KEY:			0001091925

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-11344
		FILM NUMBER:		03757541

	BUSINESS ADDRESS:	
		STREET 1:		C/O INSIGHT COMMUNICATIONS CO INC
		STREET 2:		810 SEVENTH AVE
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10019
		BUSINESS PHONE:		9172862300

	MAIL ADDRESS:	
		STREET 1:		C/O INSIGHT COMMUNICATIONS CO INC
		STREET 2:		810 SEVENTH AVE
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10019
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>c0001091925d20030626f4f.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<ownershipDocument><schemaVersion>X0101</schemaVersion>    <documentType>4</documentType><periodOfReport>2003-06-25</periodOfReport><notSubjectToSection16>0</notSubjectToSection16><issuer><issuerCik>0000351012</issuerCik><issuerName>INTERMAGNETICS GENERAL CORP</issuerName>        <issuerTradingSymbol>IMGC</issuerTradingSymbol></issuer><reportingOwner><reportingOwnerId><rptOwnerCik>0001091925</rptOwnerCik><rptOwnerName>KEMPNER THOMAS L</rptOwnerName></reportingOwnerId><reportingOwnerAddress><rptOwnerStreet1>  </rptOwnerStreet1><rptOwnerStreet2>  </rptOwnerStreet2><rptOwnerCity>  </rptOwnerCity><rptOwnerState>  </rptOwnerState><rptOwnerZipCode>  </rptOwnerZipCode></reportingOwnerAddress><reportingOwnerRelationship><isDirector>1</isDirector><isOfficer>0</isOfficer><isTenPercentOwner>0</isTenPercentOwner><isOther>0</isOther><officerTitle></officerTitle><otherText></otherText></reportingOwnerRelationship></reportingOwner><nonDerivativeSecurity><securityTitle><value>Common Stock</value></securityTitle><transaction
Date><value>2003-06-25</value></transactionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>M</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionTimeliness><value></value></transactionTimeliness><transactionAmounts><transactionShares><value>2349</value></transactionShares><transactionValue><value>8.34</value></transactionValue><transactionAcquiredDisposedCode><value>A</value></transactionAcquiredDisposedCode></transactionAmounts><postTransactionAmounts><sharesOwnedFollowingTransaction><value>52158</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership><natureOfOwnership><value></value></natureOfOwnership></ownershipNature></nonDerivativeSecurity><derivativeSecurity><securityTitle><value>Stock Options (Right to buy)</value></securityTitle><conversionOrExercisePrice><value>8.34</value></conversionOrExercisePrice><transactionDate><value>20
03-06-25</value></transactionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>M</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionAmounts><transactionShares><value>2349</value></transactionShares><transactionValue><value>8.34</value></transactionValue><transactionAcquiredDisposedCode><value>D</value></transactionAcquiredDisposedCode></transactionAmounts><exerciseDate><value>1999-07-01</value></exerciseDate><expirationDate><value>2003-07-01</value></expirationDate><underlyingSecurity><underlyingSecurityTitle><value>Common Stock</value></underlyingSecurityTitle><underlyingSecurityShares><value>2349</value></underlyingSecurityShares></underlyingSecurity><postTransactionAmounts><sharesOwnedFollowingTransaction><value>0</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership><natureOfOwnership><value></value></natureOfOwnership></ownershipNa
ture></derivativeSecurity><footnotes/><ownerSignature><signatureName>/s/ Katherine M. Sheehan</signatureName><signatureDate>2003-06-26</signatureDate></ownerSignature></ownershipDocument>

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