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Title:
APPARATUS FOR PLASMA TREATMENT AND METHOD FOR PLASMA TREATMENT
Document Type and Number:
WIPO Patent Application WO/2012/066779
Kind Code:
A1
Abstract:
An apparatus for plasma treatment contains a process vessel provided with a mounting table for mounting a substrate, a first gas supplying unit configured to supply a first gas into the process vessel, a first plasma generating unit configured to convert at least a part of the first gas to a first plasma, a second gas supplying unit configured to supply a second gas into the process vessel, and a second plasma generating unit configured to convert at least a part of the second gas to a second plasma. A height of an inlet of the second gas from the mounting table is lower than a height of an inlet of the first gas from the mounting table.

Inventors:
NOZAWA TOSHIHISA (JP)
TIAN CAIZHONG (JP)
SASAKI MASARU (JP)
MIHARA NAOKI (JP)
MATSUMOTO NAOKI (JP)
MOYAMA KAZUKI (JP)
YOSHIKAWA JUN (JP)
Application Number:
PCT/JP2011/006391
Publication Date:
May 24, 2012
Filing Date:
November 16, 2011
Export Citation:
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Assignee:
TOKYO ELECTRON LTD (JP)
NOZAWA TOSHIHISA (JP)
TIAN CAIZHONG (JP)
SASAKI MASARU (JP)
MIHARA NAOKI (JP)
MATSUMOTO NAOKI (JP)
MOYAMA KAZUKI (JP)
YOSHIKAWA JUN (JP)
International Classes:
H01L21/3065; H01L21/205; H01L21/31
Domestic Patent References:
WO2009107718A12009-09-03
Foreign References:
JPH09115880A1997-05-02
JP2009302324A2009-12-24
JP2003142460A2003-05-16
Attorney, Agent or Firm:
MASUTANI, Tsuyoshi (701 1-16 Kitaueno 2-chome, Taito-k, Tokyo 14, JP)
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Claims: