Electrical transmission or interconnection systems – Switching systems – Plural switches
Reexamination Certificate
2007-01-09
2007-01-09
Dickey, Thomas L. (Department: 2826)
Electrical transmission or interconnection systems
Switching systems
Plural switches
C257S347000
Reexamination Certificate
active
10642594
ABSTRACT:
A semiconductor device comprises an embedded insulation layer101formed on a semiconductor substrate100, plural power semiconductor elements2, 3formed on a semiconductor substrate100on the embedded insulation layer, a trench4formed on the semiconductor substrate and isolating between the power semiconductor elements, and an isolator5insulating and driving control electrodes of the power semiconductor elements, and the power semiconductor elements2, 3such as transistors can be used, being connected each other in series.
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Article entitled “Application Technique of Power MOSFET” by Hiroshi Yamazaki, issued by Nikkan Industry Newspaper Co., pp. 55-57.
European Search Report.
Kanekawa Nobuyasu
Sakurai Kohei
Sasaki Shoji
Tabuchi Kenji
Watabe Mittsuru
Crowell & Moring LLP
Dickey Thomas L.
Hitachi , Ltd.
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