FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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(Print or Type Responses)

1. Name and Address of Reporting Person *   Sweeney Joseph J 2. Date of Event Requiring Statement (Month/Day/Year) 03/23/2005 3. Issuer Name and Ticker or Trading Symbol APPLIED MATERIALS INC /DE [AMAT] (Last) (First) (Middle) C/O APPLIED MATERIALS, INC., P.O. BOX 58039, 3050 BOWERS AV. M/S 2023 4. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) Group VP & Corporate Secretary 5. If Amendment, Date Original Filed(Month/Day/Year) (Street) SANTA CLARA, CA 95054 6. Individual or Joint/Group Filing(Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Beneficially Owned

1.Title of Security (Instr. 4) 2. Amount of Securities Beneficially Owned (Instr. 4) 3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 4. Nature of Indirect Beneficial Ownership (Instr. 5) Common Stock 16,850 D   Common Stock 7,324.93 I By 401(k) plan

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.			SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Employee Stock Option (Right to Buy)	07/15/2002	12/14/2005	Common Stock	108,000	$ 9.7813	D	Â
Employee Stock Option (Right to Buy)	07/15/2003	10/19/2006	Common Stock	108,000	$ 18.6875	D	Â
Employee Stock Option (Right to Buy)	  (1)	01/07/2007	Common Stock	40,000	$ 29.2344	D	Â
Employee Stock Option (Right to Buy)	07/15/2004	10/18/2007	Common Stock	70,000	$ 21.0313	D	Â
Employee Stock Option (Right to Buy)	07/15/2005	04/03/2008	Common Stock	70,000	$ 20.0625	D	Â
Employee Stock Option (Right to Buy)	  (2)	10/19/2008	Common Stock	40,000	$ 16.275	D	Â
Employee Stock Option (Right to Buy)	07/15/2006	10/19/2008	Common Stock	70,000	$ 16.275	D	Â
Employee Stock Option (Right to Buy)	07/15/2007	11/19/2009	Common Stock	35,000	$ 15.07	D	Â
Employee Stock Option (Right to Buy)	07/15/2004	11/19/2009	Common Stock	25,000	$ 15.07	D	Â
Employee Stock Option (Right to Buy)	  (3)	07/11/2010	Common Stock	40,000	$ 17.39	D	Â
Employee Stock Option (Right to Buy)	07/15/2007	10/29/2010	Common Stock	115,000	$ 22.58	D	Â
Employee Stock Option (Right to Buy)	07/15/2008	10/29/2010	Common Stock	150,000	$ 22.58	D	Â
Employee Stock Option (Right to Buy)	  (4)	11/03/2011	Common Stock	125,000	$ 16.12	D	Â

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Sweeney Joseph J C/O APPLIED MATERIALS, INC. P.O. BOX 58039, 3050 BOWERS AV. M/S 2023 SANTA CLARA, CA 95054	Â	Â	  Group VP & Corporate Secretary	Â

Signatures

/s/ Charmaine Mesina, Attorney-In-Fact		04/04/2005
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 5(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	8,000 shares became exercisable on 1/7/01 and 32,000 shares became exercisable on 1/7/03.
(2)	20,000 shares became exercisable each on 7/15/03 and 7/15/04.
(3)	20,000 shares become exercisable each on 7/15/05 and 7/15/06 (assuming continued employment).
(4)	31,250 shares become exercisable each on 7/15/05, 7/15/06, 7/15/07 and 07/15/08 (assuming continued employment).

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