Semiconductor photosensing device with light shield

Details

Inventors: Mizutani, Hidemasa; Kondo, Shigeki;
Assignee: Canon Kabushiki Kaisha (Tokyo, JP)
Primary Examiner: Mintel; William
Assistant Examiner:
Attorney, Agent or Firm: Fitzpatrick, Cella, Harper & Scinto

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.

DETAILED DESCRIPTION It is an object of the present invention to provide a semiconductor device having means for shielding a circuit portion from an obliquely impinging light.
It is another object of the present invention to shield the obliquely impinging light by providing scatter means in an insulation layer in a vicinity of the circuit- portion.
It is another object of the present invention to shield the obliquely impinging light by substantially covering an end of the insulation layer by the light shielding layer.

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