Edge photosite definition by opaque filter layer

Details Edge photosite definition by opaque filter layer Edge photosite definition by opaque filter layer

1999-03-31

2000-12-05

Sugarman, Scott J.

Radiant energy

Photocells; circuits and apparatus

Photocell controlled circuit

257291, 257435, 438 73, H01L 2700, H01L 31062, H01L 310232

Patent

active

061570192

ABSTRACT:
The present invention relates to photosensitive chips for creating electrical signals from an original image, as would be found for example in a digital scanner, copier, facsimile machine, or other document generating or reproducing device. More specifically, the present invention provides a way of shielding the edge photosites with an opaque layer that overlaps the diced region and preserves the integrity of the filter layers while eliminating the need for a guardring to decrease the dead space and consequently reduce the undesirable effects of Moire patterns.

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