Active solid-state devices (e.g. – transistors – solid-state diode – Heterojunction device – Bipolar transistor
Patent
1993-08-03
1996-10-22
Fahmy, Wael M.
Active solid-state devices (e.g., transistors, solid-state diode
Heterojunction device
Bipolar transistor
257198, 257192, H01L 310328, H01L 310336, H01L 31072
Patent
active
055679617
ABSTRACT:
A semiconductor device may include a double hetero junction bipolar transistor and a field-effect transistor. The base of the bipolar transistor and the gate of the field-effect transistor are connected to each other to serve as an input terminal and the collector of the bipolar transistor and the drain of the field-effect transistor are connected to each other to serve as an output terminal. The bipolar transistor and the field-effect transistor may be created on a common substrate. In this case, both the bipolar and field-effect transistors can have the same multilayer/film structures.
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patent: 5250826 (1993-10-01), Yokoyama
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Itoh Hiroyuki
Takai Atsushi
Usagawa Toshiyuki
Fahmy Wael M.
Hitachi , Ltd.
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