Semiconductor optical device and an optical processing system th

Details Semiconductor optical device and an optical processing system th Semiconductor optical device and an optical processing system th

1997-05-30

1999-03-30

Mintel, William

Active solid-state devices (e.g., transistors, solid-state diode

Heterojunction device

Light responsive structure

257187, 257462, 257466, 257197, 257198, H01L 31032

Patent

active

058892966

ABSTRACT:
A photodetection device includes a collector layer, a collector electrode connected electrically to the collector layer, a base layer free from a junction region for contacting with an electrode, an emitter layer including at least two, mutually separated emitter regions; and at least two emitter electrodes provided respectively on the emitter regions, wherein the base layer is exposed optically to an external optical radiation.

REFERENCES:
patent: 3593067 (1971-07-01), Flynn
patent: 5461245 (1995-10-01), Gribnikov et al.
patent: 5561306 (1996-10-01), Imamura et al.

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