Photodetector device

Details Photodetector device Photodetector device

1990-10-19

1992-05-19

James, Andrew J.

357 32, 357 55, 357 61, 357 20, H01L 2714, H01L 3100, H01L 2906, H01L 29161

Patent

active

051152959

ABSTRACT:
A photodetector device of a rear surface incident type includes a semi-insulating substrate transparent to light incident from the rear surface, a plurality of second conductivity type semiconductor regions disposed on the substrate in a first conductivity type semiconductor layer, a conductive light absorption layer disposed on at least one of the second conductivity type semiconductor regions, metal electrodes having a high reflectance of the incident light disposed on the light absorption layer and the second conductivity type semiconductor regions, and protection layers disposed on the first conductivity type semiconductor layer.

REFERENCES:
patent: 4275407 (1981-06-01), Lorenze
patent: 4442310 (1984-04-01), Carlson et al.
patent: 4596930 (1986-06-01), Steil et al.
patent: 4951106 (1990-08-01), Blouke
patent: 4972244 (1990-11-01), Buffet et al.
patent: 4999694 (1991-03-01), Austin et al.

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