Title:
PLASMA ETCHING APPARATUS
Document Type and Number:
Japanese Patent JP2002252209
Kind Code:
A
Abstract:
To provide a plasma etching apparatus equipped with plasma proof members that can further improve the durability.
Plasma proof members such as a baffle plate 12, an insulating ring 13 and first and second bellows covers 14 and 15 are formed using yttrium fluoride (YF3).
More Like This:
Inventors:
NAGAYAMA MASAYUKI
MIHASHI YASUSHI
NAKAYAMA HIROYUKI
MIHASHI YASUSHI
NAKAYAMA HIROYUKI
Application Number:
JP2001047278A
Publication Date:
September 06, 2002
Filing Date:
February 22, 2001
Export Citation:
Assignee:
TOKYO ELECTRON LTD
International Classes:
C23C4/04; H01J37/32; H01L21/302; H01L21/3065; (IPC1-7): H01L21/3065; C23C4/04
Domestic Patent References:
JPH11229185A | 1999-08-24 | |||
JP2000306845A | 2000-11-02 | |||
JP2000219574A | 2000-08-08 | |||
JP2000252351A | 2000-09-14 | |||
JP2002037683A | 2002-02-06 |
Attorney, Agent or Firm:
Toshihiko Watanabe