Fishing – trapping – and vermin destroying
Patent
1988-10-03
1991-06-11
Hearn, Brian E.
Fishing, trapping, and vermin destroying
437 34, 437 57, 437 26, 437985, 357 43, H01L 21331
Patent
active
050231936
ABSTRACT:
A process is disclosed for simultaneously fabricating bipolar and complementary field effect transistors. The process includes the fabrication of buried layers 18 doped with both phosphorus and arsenic to permit a shorter diffusion time while simultaneously providing buried layers having low resistance and high diffusivity. The process enables fabrication of BiCMOS structures using only six masks prior to the contact mask.
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Manoliu Juliana
Tuntasood Prateep
Deland James
Hearn Brian E.
Mondry Mark
National Semiconductor Corp.
Patch Lee
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