Image sensor free from undesirable incident light rays and a man

Details Image sensor free from undesirable incident light rays and a man Image sensor free from undesirable incident light rays and a man

1990-06-27

1992-07-28

McCamish, Marion E.

Fishing, trapping, and vermin destroying

437 3, 437 40, 437 41, 437 42, H01L 3118

Patent

active

051340810

ABSTRACT:
An improved image sensor is described. The image sensor is produced with a light window by removing a portion of a photosensitive laminate structure by projection of a laser beam. The laminate structure comprises a light blocking electrode, a semiconductor film and an opposed electrode formed on a transparent substrate in this order. Because of differences in laser scribing effectiveness at different depths, the laminate structure is partially removed in a somewhat conical form and therefore the light blocking electrode extends beyond the semiconductor film.

REFERENCES:
patent: 4728997 (1988-03-01), Szydlo et al.
patent: 4943710 (1990-07-01), Sakama et al.
patent: 4959533 (1990-09-01), Yamazaki et al.
patent: 5017502 (1991-05-01), Sakama et al.

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