-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 H8+kaGQxMQz+IAc/9swjyp31L7rna+mB+giGsh18BelLrvnP57Iytuyuq8JzIfrs
 nZAvAotbESeFU0/j+IlgIQ==

<SEC-DOCUMENT>0000351012-04-000004.txt : 20040105
<SEC-HEADER>0000351012-04-000004.hdr.sgml : 20040105
<ACCEPTANCE-DATETIME>20040105133257
ACCESSION NUMBER:		0000351012-04-000004
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20040102
FILED AS OF DATE:		20040105

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:		04503263

	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>c0001091925d20040105f4f.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<ownershipDocument><schemaVersion>X0201</schemaVersion>    <documentType>4</documentType><periodOfReport>2004-01-02</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>C/O LOEB PARTNERS CORPORATION</rptOwnerStreet1><rptOwnerStreet2>61 BROADWAY</rptOwnerStreet2><rptOwnerCity>NEW YORK</rptOwnerCity><rptOwnerState>NY</rptOwnerState><rptOwnerZipCode>10006</rptOwnerZipCode><rptOwnerStateDescription></rptOwnerStateDescription></reportingOwnerAddress><reportingOwnerRelationship><isDirector>1</isDirector><isOfficer>0</isOfficer><isTenPercentOwner>0</isTenPercentOwner><isOther>0</isOther><officerTitle></officerTitle><otherText></otherText></reportingOwnerRelationship></reportingO
wner><nonDerivativeTable><nonDerivativeTransaction><securityTitle><value>Common Stock</value></securityTitle><transactionDate><value>2004-01-02</value></transactionDate><deemedExecutionDate></deemedExecutionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>M</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionTimeliness><value></value></transactionTimeliness><transactionAmounts><transactionShares><value>2349</value></transactionShares><transactionPricePerShare><value>5.5921</value></transactionPricePerShare><transactionAcquiredDisposedCode><value>A</value></transactionAcquiredDisposedCode></transactionAmounts><postTransactionAmounts><sharesOwnedFollowingTransaction><value>56856</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership><natureOfOwnership><value></value></natureOfOwnership></ownershipNature></nonDerivativeTransaction><nonDeriv
ativeHolding><securityTitle><value>Common Stock</value></securityTitle><postTransactionAmounts><sharesOwnedFollowingTransaction><value>18120</value><footnoteId id="F1"/></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>I</value></directOrIndirectOwnership><natureOfOwnership><value>Trustee</value></natureOfOwnership></ownershipNature></nonDerivativeHolding></nonDerivativeTable><derivativeTable><derivativeTransaction><securityTitle><value>Stock Options (Right to buy)</value></securityTitle><conversionOrExercisePrice><value>5.5921</value></conversionOrExercisePrice><transactionDate><value>2004-01-02</value></transactionDate><deemedExecutionDate></deemedExecutionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>M</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionAmounts><transactionShares><value>2349</value></transactionShares><transactionPricePerShare><value>5.5921</value></tra
nsactionPricePerShare><transactionAcquiredDisposedCode><value>D</value></transactionAcquiredDisposedCode></transactionAmounts><exerciseDate><value>2000-01-04</value></exerciseDate><expirationDate><value>2004-01-04</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></ownershipNature></derivativeTransaction></derivativeTable><footnotes><footnote id="F1">Disclaims beneficial ownership.</footnote></footnotes><ownerSignature><signatureName>Katherine M. Sheehan</signatureName><signatureDate>2004-01-05</signatureDate></ownerSignature></ownershipDocument>

</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----