Fishing – trapping – and vermin destroying
Patent
1993-05-11
1994-09-27
Thomas, Tom
Fishing, trapping, and vermin destroying
437126, 437133, 437100, 148DIG148, H01L 21265
Patent
active
053506995
ABSTRACT:
A hetero-junction bi-polar transistor provided with a collector composed of a .beta. - SiC substrate and a base area composed of a .beta. - SiC layer and an emitter area composed of an .alpha. - SiC layer, thereby forming a hetero-junction bi-polar transistor having superior heat resistance.
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Nguyen Tuan
Rohm & Co., Ltd.
Thomas Tom
LandOfFree
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