(19)
(11)
EP 0 609 237 A1
(12)
(43)
Date of publication:
10.08.1994
Bulletin 1994/32
(21)
Application number:
92919678.0
(22)
Date of filing:
08.09.1992
(51)
International Patent Classification (IPC):
C23C
16/
50
( . )
H01J
37/
32
( . )
H01L
21/
302
( . )
H05H
1/
46
( . )
C23F
4/
00
( . )
H01L
21/
205
( . )
H01L
21/
3065
( . )
(86)
International application number:
PCT/US1992/007566
(87)
International publication number:
WO 1993/005630
(
18.03.1993
Gazette 1993/08)
(84)
Designated Contracting States:
DE FR GB
(30)
Priority:
09.09.1991
US 19910756649
04.06.1992
US 19920893475
(71)
Applicant:
SEMATECH, INC.
Austin, TX 78741-6499 (US)
(72)
Inventor:
MILLER, Paul, A.
Albuquerque, NM 87123 (US)
(74)
Representative:
Grünecker, Kinkeldey, Stockmair & Schwanhäusser Anwaltssozietät
Maximilianstrasse 58
D-80538 München
D-80538 München (DE)
(54)
HARMONIC AND SUBHARMONIC ISOLATOR FOR PLASMA DISCHARGE