U.S. patent number D404,372 [Application Number D/083,715] was granted by the patent office on 1999-01-19 for ring for use in a semiconductor wafer heat processing apparatus.
This patent grant is currently assigned to Tokyo Electron Limited. Invention is credited to Katsutoshi Ishii.
United States Patent |
D404,372 |
Ishii |
January 19, 1999 |
Ring for use in a semiconductor wafer heat processing apparatus
Claims
I claim the ornamental design for a ring for use in a semiconductor
wafer heat processing apparatus, as shown and described.
Inventors: |
Ishii; Katsutoshi
(Shiroyama-machi, JP) |
Assignee: |
Tokyo Electron Limited
(Tokyo-To, JP)
|
Appl.
No.: |
D/083,715 |
Filed: |
February 12, 1998 |
Foreign Application Priority Data
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|
|
|
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Aug 20, 1997 [JP] |
|
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9-65106 |
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Current U.S.
Class: |
D13/182 |
Current International
Class: |
1303 |
Field of
Search: |
;D13/182
;D15/144,144.1,199 ;414/935-941,217,147 ;437/247,946 |
References Cited
[Referenced By]
U.S. Patent Documents
Primary Examiner: Vinson; Brian N.
Attorney, Agent or Firm: Ladas & Parry
Description
FIG. 1 a perspective view of a ring for use in a semiconductor
wafer heat processing apparatus;
FIG. 2 a top plan view thereof;
FIG. 3 a front elevational view thereof;
FIG. 4 a bottom plan view thereof;
FIG. 5 a right side view thereof;
FIG. 6 a rear elevational view thereof; and,
FIG. 7 a cross-sectional view taken along line VII--VII in FIG.
3.
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