Fishing – trapping – and vermin destroying
Patent
1988-10-18
1991-07-30
Hearn, Brian E.
Fishing, trapping, and vermin destroying
437 31, 437 67, 437 84, 437228, 437235, H01L 2176
Patent
active
050360213
ABSTRACT:
A method of producing a semiconductor device comprises the steps of preparing a stacked structure having an n.sup.- -type semiconductor substrate, an n.sup.+ -type diffusion layer formed on the n.sup.- -type semiconductor substrate and an oxide layer formed on the n.sup.+ -type diffusion layer, adhering a base substrate on the oxide layer, removing the n.sup.- -type semiconductor substrate in its entirety by an etching, forming an n.sup.- -type semiconductor layer on the n.sup.+ -type diffusion layer to a predetermined thickness by an epitaxial growth, and forming at least an element in the n.sup.- -type semiconductor layer which constitutes an active layer.
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Fujitsu Limited
Hearn Brian E.
Thomas Tom
LandOfFree
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