Active solid-state devices (e.g. – transistors – solid-state diode – Heterojunction device
Reexamination Certificate
2007-07-03
2007-07-03
Baumeister, B. William (Department: 2891)
Active solid-state devices (e.g., transistors, solid-state diode
Heterojunction device
C257SE29143
Reexamination Certificate
active
10971098
ABSTRACT:
A semiconductor device of the present invention comprises a Group III-V nitride semiconductor layer of gallium nitride or the like having n-type conductivity and at least one ohmic electrode formed on the Group III-V nitride semiconductor layer of gallium nitride or the like having n-type conductivity. The ohmic electrode is formed of a conductive material containing a metal boride.
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Hirose Yutaka
Tanaka Tsuyoshi
Uemoto Yasuhiro
Baumeister B. William
Reames Matthew L.
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