Semiconductor photosensing device with light shield

Details Semiconductor photosensing device with light shield Semiconductor photosensing device with light shield

Filed on

1990-03-15

Date issued

1991-10-29

Examiner

Mintel, William

Other Related Categories

357 58, 357 32, 357 53, H01L 2714

Type

Patent

Status

active

Patent number

050619780

Description

ABSTRACT:
A semiconductor device having a circuit portion formed on a substrate, a light shielding layer for shielding the circuit portion from light, stacked on the substrate with an insulation layer being interleaved therebetween, and means for shielding the circuit portion from obliquely impinging light.

REFERENCES:
patent: 4291326 (1981-09-01), Higuchi et al.
patent: 4419533 (1983-12-01), Czubatyj et al.
patent: 4621275 (1986-11-01), Ueno et al.
patent: 4654536 (1987-03-01), Saito et al.
patent: 4672221 (1987-06-01), Saito et al.

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