Photoelectric conversion apparatus having a light-shielding shun

Details Photoelectric conversion apparatus having a light-shielding shun Photoelectric conversion apparatus having a light-shielding shun

1997-03-18

1998-12-08

Westin, Edward P.

Radiant energy

Photocells; circuits and apparatus

Photocell controlled circuit

257292, H01L 2700

Patent

active

058473815

ABSTRACT:
Photoelectric conversion elements, each of which comprises a field effect transistor, are arranged in a two-dimensional matrix. The drain regions of the field effect transistors are continuously formed like a mesh so as to be commonly connected together in the row and column directions. Light-shielding drain shunt lines commonly connecting the drain regions of the field effect transistors along the column direction are formed at a rate of 1 line to a plurality of columns. Electrically floating light-shielding dummy lines having no connection to the drain regions of the field effect transistors are formed in the columns where no drain shunt lines are formed. Thus, high yield in manufacture is attained, while sensitivity is prevented from fluctuating.

REFERENCES:
patent: 4942474 (1990-07-01), Akimoto et al.
patent: 5043783 (1991-08-01), Matsumoto et al.
patent: 5172249 (1992-12-01), Hashimoto
patent: 5563429 (1996-10-01), Isogai

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