Solid state image sensor with over-flow control

Details Solid state image sensor with over-flow control Solid state image sensor with over-flow control

1984-06-05

1985-03-12

Munson, Gene M.

Electrical pulse counters, pulse dividers, or shift registers: c

Counting or dividing in incremental steps

Beam type tube

377 58, 357 30, 357 89, H01L 2978, H01L 2714, H01L 3100, G11C 1928

Patent

active

045048487

ABSTRACT:
A solid state image sensor, in which the same gate voltage is applied through a gate insulating layer to a channel area and an over-flow control gate area, both provided in a semiconductor substrate, is disclosed. In this case, the substrate concentration adjacent the area beneath the over-flow control gate area is made different from that adjacent the area beneath the channel area to reduce the gate voltage dependency of the potential at the over-flow control gate area as compared with that at the channel area, whereby the maximum handling charge upon the charge transfer mode is made more than that upon the light receiving mode.

REFERENCES:
patent: 3789267 (1974-01-01), Krambeck et al.
patent: 3863065 (1975-01-01), Kosonocky et al.
patent: 3896474 (1975-07-01), Amelio et al.
patent: 4032952 (1977-06-01), Ohba et al.
patent: 4151539 (1979-04-01), Barron et al.
patent: 4229752 (1980-10-01), Hynecek
patent: 4362575 (1982-12-01), Wallace
patent: 4365261 (1982-12-01), Chatterjee et al.

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