1975-10-07
1977-06-28
Wojciechowicz, Edward J.
357 34, 357 35, 357 40, 357 88, 357 89, 357 90, H01L 2900, H01L 2972, H01L 29747, H01L 2702
Patent
active
040329577
ABSTRACT:
A semiconductor device having a high emitter-grounded current gain which includes an emitter region with the minority carrier diffusion length greater than its width and an additional region adjacent to the emitter region with the minority carrier diffusion length of this additional region greater than its width. The surface recombination velocity of the additional region is small. The minority carrier current injected from the additional region into the emitter balances that injected from the base into the emitter.
REFERENCES:
patent: 2822310 (1958-02-01), Stieltjes
Tsuyuki Tadaharu
Yagi Hajime
Sony Corporation
Wojciechowicz Edward J.
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