Fishing – trapping – and vermin destroying
Patent
1990-02-02
1992-03-24
Hearn, Brian E.
Fishing, trapping, and vermin destroying
437154, 437167, 437956, 437987, 148DIG167, H01L 3118
Patent
active
050988514
ABSTRACT:
A semiconductor photodetector is disclosed which comprises a pn junction formed in a semiconductor substrate and a pair of electrodes for applying a reverse bias to the pn junction, in which at least a part of the junction plane of the pn junction has been metamorphosed by enhanced diffusion. Hence the pn junction from an outer peripheral portion and a central portion is made smooth.
REFERENCES:
patent: 4060427 (1977-11-01), Barile et al.
patent: 4634474 (1987-01-01), Camlibel et al.
Ando et al., IEEE Journal of Quantum Electronics, vol. QE-20, No. 3 (1984), pp. 256-264.
Fujiwara Ichiro
Ito Kazuhiro
Matsuda Hiroshi
Nagatsuma Kazuyuki
Chaudhari C.
Hearn Brian E.
Hitachi , Ltd.
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