(19)
(11)
EP 1 320 867 A2
(12)
(88)
Date of publication A3:
15.08.2002
(43)
Date of publication:
25.06.2003
Bulletin 2003/26
(21)
Application number:
01975321.9
(22)
Date of filing:
21.09.2001
(51)
International Patent Classification (IPC)
7
:
H01J
37/32
(86)
International application number:
PCT/US0129/802
(87)
International publication number:
WO 0202/5696
(
28.03.2002
Gazette 2002/12)
(84)
Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
(30)
Priority:
21.09.2000
US 667362
(71)
Applicant:
Applied Materials, Inc.
Santa Clara,California 95052 (US)
(72)
Inventors:
GRIMBERGEN, Michael, N.
Redwood City, CA 94065 (US)
QIAN, Xue-Yu
San Jose, CA 95132 (US)
(74)
Representative:
Zimmermann, Gerd Heinrich et al
Zimmermann & Partner,P.O. Box 33 09 20
80069 München
80069 München (DE)
(54)
REDUCING DEPOSITION OF PROCESS RESIDUES ON A SURFACE IN A CHAMBER