Patent
   D404371
Priority
Aug 20 1997
Filed
Feb 05 1998
Issued
Jan 19 1999
Expiry
Jan 19 2013
Assg.orig
Entity
unknown
32
8
n/a
I claim the ornamental design for wafer boat for use in a semiconductor wafer heat processing apparatus, as shown and described.

FIG. 1 a perspective view of a wafer boat for use in a semiconductor wafer heat processing apparatus;

FIG. 2 a front elevational view thereof;

FIG. 3 a cross-sectional view taken along line III--III in FIG. 2;

FIG. 4 a cross-sectional view taken along line IV--IV in FIG. 2;

FIG. 5 a top plan view thereof;

FIG. 6 a right side view thereof;

FIG. 7 a rear elevational view thereof; and,

FIG. 8 a bottom plan view thereof.

Shimazu, Tomohisa

Patent Priority Assignee Title
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Patent Priority Assignee Title
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Feb 05 1998Tokyo Electron Limited(assignment on the face of the patent)
Mar 18 1998SHIMAZU, TOMOSHISATokyo Electron LimitedASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0091500626 pdf
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