Patent
   D307724
Priority
Jun 25 1987
Filed
Dec 18 1987
Issued
May 08 1990
Expiry
May 08 2004
Assg.orig
Entity
unknown
0
3
n/a
The ornamental design for a defect inspection device for semiconductors, as shown.

FIG. 1 is a front, top and left side perspective view of a defect inspection device for semiconductors showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a rear elevational view thereof; and

FIG. 7 is a bottom plan view thereof.

Nishida, Yoshiaki

Patent Priority Assignee Title
Patent Priority Assignee Title
4745354, May 20 1985 FTS SYSTEMS, INC Apparatus and methods for effecting a burn-in procedure on semiconductor devices
4755746, Apr 24 1985 Prometrix Corporation Apparatus and methods for semiconductor wafer testing
D292979, Apr 26 1985 TENCOR INSTRUMENTS A CA CORP Automatic semiconductor wafer tester
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Dec 12 1987NISHIDA, YOSHIAKIKabushiki Kaisha ToshibaASSIGNMENT OF ASSIGNORS INTEREST 0052510271 pdf
Dec 18 1987Kabushiki Kaisha Toshiba(assignment on the face of the patent)
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