Active solid-state devices (e.g. – transistors – solid-state diode – Heterojunction device – Field effect transistor
Reexamination Certificate
2006-03-29
2010-10-26
Shingleton, Michael B (Department: 2815)
Active solid-state devices (e.g., transistors, solid-state diode
Heterojunction device
Field effect transistor
C257S020000, C257S024000, C257S294000
Reexamination Certificate
active
07821031
ABSTRACT:
A switch circuit includes: a first FET that is connected to one of an input terminal and an output terminal, and performs ON/OFF operation under the control of a gate electrode connected to a control terminal; and a second FET that is connected between the first FET and the other one of the input terminal and the output terminal, and performs ON/OFF operation under the control of a gate electrode connected to the control terminal. The first FET has a higher gate backward breakdown voltage than that of the second FET. Alternatively, the first FET has lower OFF capacitance than that of the second FET.
REFERENCES:
patent: 4727403 (1988-02-01), Hida et al.
patent: 5945693 (1999-08-01), Suzuki et al.
patent: 7208777 (2007-04-01), Inai et al.
patent: 8-139014 (1996-05-01), None
Eudyna Devices Inc.
Shingleton Michael B
Westerman Hattori Daniels & Adrian LLP
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