Metal treatment – Stock – Ferrous
Patent
1975-12-24
1977-09-06
Larkins, William D.
Metal treatment
Stock
Ferrous
357 36, 357 89, 357 90, 148175, 148187, H01L 2710
Patent
active
040472205
ABSTRACT:
A triple diffused interdigitated NPN transistor formed in an isolated N-epitaxial pocket of an otherwise standard NPN bipolar junction isolated integrated circuit. The N-type diffused collector pocket in the N-epitaxial layer lowers collector resistance of the triple diffused NPN device.
REFERENCES:
patent: 3460006 (1969-08-01), Strull
patent: 3665266 (1972-05-01), Drozdowicz et al.
Ferro Armand P.
Kurz, deceased Bruno F.
Cohen Joseph T.
General Electric Company
Larkins William D.
Rasco Marcus S.
Squillaro Jerome C.
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