POWER OF ATTORNEY

The undersigned hereby constitutes and appoints each of Charmaine Mesina and
Mary Zeigler, signing singly, the undersigned's true and lawful attorney-in-fact
to:

	(1) execute for and on behalf of the undersigned, in the undersigned's
capacity as a director and officer of Applied Materials, Inc. (the "Company"), Forms 3, 4
and 5 in accordance with Section 16(a) of the Securities Exchange Act of 1934 and the
rules thereunder;

	(2) do and perform any and all acts for and on behalf of the undersigned
which may be necessary or desirable to complete and execute any such Form 3, 4 or 5,
complete and execute any amendment(s) thereto, and timely file such form with the
United States Securities and Exchange Commission and any stock exchange or similar
authority; and

	(3) take any other action of any type whatsoever in connection with the
foregoing which, in the opinion of such attorney-in-fact, may be of benefit to, in the best
interest of, or legally required by, the undersigned, it being understood that the
documents executed by such attorney-in-fact on behalf of the undersigned pursuant to
this Power of Attorney shall be in such form and shall contain such terms and conditions
as such attorney-in-fact may approve in such attorney-in-fact's discretion.

	The undersigned hereby grants to each such attorney-in-fact full power
and authority to do and perform any and every act and thing whatsoever requisite,
necessary or proper to be done in the exercise of any of the rights and powers herein
granted, as fully to all intents and purposes as the undersigned might or could do if
personally present, with full power of substitution or revocation, hereby ratifying and
confirming all that such attorney-in-fact, or such attorney-in-fact's substitute or
substitutes, shall lawfully do or cause to be done by virtue of this power of attorney and
the rights and powers herein granted.  The undersigned acknowledges that the foregoing
attorneys-in fact, in serving in such capacity at the request of the undersigned, are not
assuming, nor is the Company assuming, any of the undersigned's responsibilities to
comply with Section 16 of the Securities Exchange Act of 1934.

	This Power of Attorney shall remain in full force and effect until the
undersigned is no longer required to file Forms 3, 4 and 5 with respect to the
undersigned's holdings of and transactions in securities issued by the Company, unless
earlier revoked by the undersigned in a signed writing delivered to the Company's
Secretary.

	IN WITNESS WHEREOF, the undersigned has caused this Power of
Attorney to be executed as of this 24th day of October, 2002.


/s/ Herbert M. Dwight, Jr.
_________________________
Herbert M. Dwight, Jr.