Active solid-state devices (e.g. – transistors – solid-state diode – Heterojunction device – Bipolar transistor
Reexamination Certificate
2007-06-01
2009-10-06
Soward, Ida M (Department: 2822)
Active solid-state devices (e.g., transistors, solid-state diode
Heterojunction device
Bipolar transistor
C257S198000, C257SE29033
Reexamination Certificate
active
07598539
ABSTRACT:
A heterojunction bipolar transistor: The transistor may a collector layer, a base layer and an emitter layer. The transistor may include a dielectric material being disposed over the base layer. The base layer may be a SiGe base layer.
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Infineon - Technologies AG
Schlazer Philip H.
Soward Ida M
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