(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