Active solid-state devices (e.g. – transistors – solid-state diode – Bipolar transistor structure – With base region having specified doping concentration...
Reexamination Certificate
2011-03-08
2011-03-08
Sefer, A. (Department: 2893)
Active solid-state devices (e.g., transistors, solid-state diode
Bipolar transistor structure
With base region having specified doping concentration...
C257S591000, C257S574000, C257SE29040, C257SE29256, C257SE29270
Reexamination Certificate
active
07902635
ABSTRACT:
Improved radio frequency gain in a silicon-based bipolar transistor may be provided by adoption of a common-base configuration, preferably together with excess doping of the base to provide extremely low base resistances boosting performance over similar common-emitter designs.
REFERENCES:
patent: 5304816 (1994-04-01), Grinberg et al.
patent: 5329144 (1994-07-01), Luryi
patent: 2003/0048138 (2003-03-01), Van De Westerlo et al.
patent: 2005/0139921 (2005-06-01), Kang et al.
N.L. Wang, et al., Ultrahigh Power Efficiency Operation of Common-Emitter and Common-Base HBT's at 10 GHz, IEEE Transactions on Microwave Theory and Techniques, vol. 38, No. 10, Oct. 1990.
Jiang Ningyue
Ma Zhenqiang
Boyle Fredrickson , S.C.
Sefer A.
Wisconsin Alumni Research Foundation
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