<SEC-DOCUMENT>0001127602-12-011476.txt : 20120320
<SEC-HEADER>0001127602-12-011476.hdr.sgml : 20120320
<ACCEPTANCE-DATETIME>20120320205216
ACCESSION NUMBER:		0001127602-12-011476
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20120316
FILED AS OF DATE:		20120320
DATE AS OF CHANGE:		20120320

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Forrest Stephen R
		CENTRAL INDEX KEY:			0001437592

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-06920
		FILM NUMBER:		12704642

	MAIL ADDRESS:	
		STREET 1:		C/O APPLIED MATERIALS, INC.
		STREET 2:		3050 BOWERS AVENUE, P.O. BOX 58039
		CITY:			SANTA CLARA
		STATE:			CA
		ZIP:			95052-8039

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			APPLIED MATERIALS INC /DE
		CENTRAL INDEX KEY:			0000006951
		STANDARD INDUSTRIAL CLASSIFICATION:	SEMICONDUCTORS & RELATED DEVICES [3674]
		IRS NUMBER:				941655526
		STATE OF INCORPORATION:			DC
		FISCAL YEAR END:			1030

	BUSINESS ADDRESS:	
		STREET 1:		3050 BOWERS AVE
		CITY:			SANTA CLARA
		STATE:			CA
		ZIP:			95054-3299
		BUSINESS PHONE:		4087275555

	MAIL ADDRESS:	
		STREET 1:		3050 BOWERS AVE
		CITY:			SANTA CLARA
		STATE:			CA
		ZIP:			95054-3299

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	APPLIED MATERIALS TECHNOLOGY INC
		DATE OF NAME CHANGE:	19730319
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>form4.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0304</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2012-03-16</periodOfReport>

    <issuer>
        <issuerCik>0000006951</issuerCik>
        <issuerName>APPLIED MATERIALS INC /DE</issuerName>
        <issuerTradingSymbol>AMAT</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001437592</rptOwnerCik>
            <rptOwnerName>Forrest Stephen R</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O APPLIED MATERIALS, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>3050 BOWERS AV, M/S 1268 P.O. BOX 58039</rptOwnerStreet2>
            <rptOwnerCity>SANTA CLARA</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>95054</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2012-03-16</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>7700</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>12.87</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>79589</value>
                    <footnoteId id="F1"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Number of shares includes 44,719 restricted stock units previously reported that in the future will be converted on a one-for-one basis into Applied Materials, Inc. common stock upon vesting, which vesting is scheduled to occur as follows:  (a) 5,000 units are scheduled to vest in June 2012, (b) 23,060 units are scheduled to vest in installments during each March of 2013 through 2015, and (c) 16,659 units are scheduled to vest in March 2013 (all vesting is subject to continued service as a director through each applicable vest date).</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Charmaine Mesina, Attorney-in-Fact</signatureName>
        <signatureDate>2012-03-20</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
