Exhaust ring for manufacturing semiconductors
Granted 17 Aug 2004 · no office action yet
Assignee: Tokyo Electron Limited
Law firm: Law firm · Log in to unlock
Attorney: Attorney · Log in to unlock
Inventors: Takashi Kitazawa, Kazuyuki Tezuka, Norihiko Amikura, Hiroshi Koizumi · Examiner: Prabhakar Deshmukh · AU 2912 · TC 2900
Life of the patent
5 dated eventsDescription
1 parts›FIG. 1 is a front/top/right-side perspective view of…
FIG. 1 is a front/top/right-side perspective view of an exhaust ring for manufacturing semiconductors showing our new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a top plan view thereof;
FIG. 4 is a bottom plan view thereof;
FIG. 5 is a right-side elevational view thereof, the left-side elevational view being a mirror image and, therefore, not shown;
FIG. 6 is a rear elevational view thereof;
FIG. 7 is a reference front elevational view;
FIG. 8 is a cross-sectional view taken along line 8—8 in FIG. 7;
FIG. 9 is an enlarged, partial, cross-sectional view taken along line 9—9 in FIG. 8; and,
FIG. 10 is an enlarged, partial, cross-sectional view taken along line 10—10 in FIG. 8.
The exhaust ring for manufacturing semiconductors is used in a vacuum vessel for manufacturing semiconductors.
Classifications
2 codes- /DRW
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