The opinion in support of the decision being entered today was not written for
publication and is not binding precedent of the Board.
Paper No. 60
UNITED STATES PATENT AND TRADEMARK OFFICE
_____________
BEFORE THE BOARD OF PATENT APPEALS
AND INTERFERENCES
_____________
Ex parte TAT-SING P. CHOW and VICTOR A. K. TEMPLE
_____________
Appeal No. 2000-0733
Application No. 08/310,041
______________
ON BRIEF
_______________
Before THOMAS, KRASS and BLANKENSHIP, Administrative Patent Judges.
KRASS, Administrative Patent Judge.
DECISION ON APPEAL
This is a decision on appeal from the final rejection of claims 32-39. Claims 40
and 41 have been indicated by the examiner as being allowable and are not before us
on appeal.
The invention is directed to a method of enhancing the operating characteristics
of field effect transistor (FET), insulated gate bipolar transistor (IGBT) and MOS
controlled thyristor structures. A body region lies below a source electrode. It was
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