<SEC-DOCUMENT>0001127602-12-013128.txt : 20120403
<SEC-HEADER>0001127602-12-013128.hdr.sgml : 20120403
<ACCEPTANCE-DATETIME>20120403195653
ACCESSION NUMBER:		0001127602-12-013128
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20120401
FILED AS OF DATE:		20120403
DATE AS OF CHANGE:		20120403

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Timko Thomas S
		CENTRAL INDEX KEY:			0001368469

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-06920
		FILM NUMBER:		12739862

	MAIL ADDRESS:	
		STREET 1:		DELPHI CORPORATION
		STREET 2:		5725 DELPHI DRIVE
		CITY:			TROY
		STATE:			MI
		ZIP:			48098

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>X0305</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2012-04-01</periodOfReport>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001368469</rptOwnerCik>
            <rptOwnerName>Timko Thomas S</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O APPLIED MATERIALS, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>P.O. BOX 58039, 3050 BOWERS AV, M/S 1268</rptOwnerStreet2>
            <rptOwnerCity>SANTA CLARA</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>95054</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isOfficer>1</isOfficer>
            <officerTitle>Corp. VP, Corp. Contrlr. &amp; CAO</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2012-04-01</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>F</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>4586</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>12.44</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>121086</value>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Represents shares that were automatically withheld upon vesting of restricted stock units to cover tax withholding obligations in a transaction exempt under Rule 16b-3.</footnote>
        <footnote id="F2">Increased number of shares reflects periodic payroll acquisitions under Employees' Stock Purchase Plan that are exempt under Rule 16a-10 and Rule 16b-3.  Number of shares includes 98,625 restricted stock units previously reported that in the future will be converted on a one-for-one basis into shares of Applied Materials, Inc. common stock upon vesting, which vesting is scheduled to occur as follows: (a) 25,000 shares are scheduled to vest in installments during each April of 2013 and 2014; (b) 53,625 shares are scheduled to vest in installments during each January of 2013 through 2016; and (c) 20,000 shares are scheduled to vest in installments during each June of 2012 through 2015 (all vesting is subject to continued employment through each applicable vest date).</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Charmaine Mesina, Attorney-in-Fact</signatureName>
        <signatureDate>2012-04-03</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
