Patent
   D404015
Priority
Jan 31 1997
Filed
Jul 24 1997
Issued
Jan 12 1999
Expiry
Jan 12 2013
Assg.orig
Entity
unknown
20
8
n/a
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 top plan view thereof;

FIG. 4 a bottom plan view thereof;

FIG. 5 a cross sectional view taken along line V-V in FIG. 2;

FIG. 6 a right side view thereof, the left side view being a mirror image of the right view;

FIG. 7 a rear elevational view thereof; and,

FIG. 8 a cross sectional view taken along line VIII-VIII in FIG. 2.

Honma, Manabu

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ER4192,
ER6595,
Patent Priority Assignee Title
4743156, May 09 1986 Motorola, Inc.; MOTOROLA, INC , A CORP OF DE ; MOTOROLA INC , A CORP OF DE Dump transfer wafer carrier
4857689, Mar 23 1988 Axcelis Technologies, Inc Rapid thermal furnace for semiconductor processing
5174045, May 17 1991 SEMITOOL, INC Semiconductor processor with extendible receiver for handling multiple discrete wafers without wafer carriers
5314574, Jun 26 1992 Tokyo Electron Kabushiki Kaisha Surface treatment method and apparatus
5320218, Apr 07 1992 MURATEC AUTOMATION CO , LTD Closed container to be used in a clean room
D291413, Jul 30 1984 Tokyo Denshi Kagaku Co., Ltd. Wafer holding frame
D361752, Sep 17 1993 Tokyo Electron Kabushiki Kaisha; Tokyo Electron Tohoku Kabushiki Kaisha Wafer boat or rack for holding semiconductor wafers
D378823, May 30 1995 Tokyo Electron Tohoku Limited Wafer boat
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Jul 24 1997Tokyo Electron Ltd.(assignment on the face of the patent)
Nov 07 1997HONMA, MANABUTokyo Electron LimitedASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0088470625 pdf
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