Photodetector for use with an optical recording medium

Details Photodetector for use with an optical recording medium Photodetector for use with an optical recording medium

1987-09-11

1989-06-06

Westin, Edward P.

Radiant energy

Photocells; circuits and apparatus

Photocell controlled circuit

250201, 357 30, H01L 2714, H01L 3100

Patent

active

048374296

ABSTRACT:
A photodetector includes a center photosensitive section having a surface for receipt of light reflected from an optical recording medium in producing information recorded on the optical recording medium. The center photosensitive section includes a plurality of photosensitive elements separated by a space from one another. A non-reflective transparent film is provided on substantially the whole area of the surface of the center photosensitive section to cover the photosensitive elements and the space.

REFERENCES:
patent: 4488163 (1984-12-01), Bluzer et al.

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