1988-02-22
1990-02-20
James, Andrew J.
357 16, 357 33, H01L 2980
Patent
active
049030906
ABSTRACT:
A permeable base transistor includes a conductive type emitter layer; a conductive type base layer provided on the emitter layer, the emitter layer having a wider energy bandgap than the base layer; a conductive type collector layer; comb-shaped or lattice-shaped base electrodes formed adjacent to a heterojunction surface formed by the emitter layer and the base layer, the electrodes are provided through a Schottky junction or an insulating layer to the surrounding emitter, base, and collector layers.
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Crane Sara W.
Fujitsu Limited
James Andrew J.
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