Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Hideki Shirokoshi0
Date of Patent
February 6, 2007
0Patent Application Number
112482130
Date Filed
October 13, 2005
0Patent Primary Examiner
Patent abstract
In a semiconductor device in which a control circuit region and a power transistor region are formed, a first dummy region is formed between a ground side transistor composing a push-pull circuit and the control circuit region while a second dummy region is formed between the ground side transistor and the end part of a semiconductor substrate. The first and second dummy regions have a conductive type different from that of the semiconductor substrate. The second dummy region is connected electrically to a part of the semiconductor substrate between the ground side transistor and the first dummy region.
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