Solid state image sensor

Details Solid state image sensor Solid state image sensor

1995-12-07

1997-07-01

Le, Que

Radiant energy

Photocells; circuits and apparatus

Photocell controlled circuit

257249, H01J 4014

Patent

active

056441215

ABSTRACT:
Signal charges are photoelectrically generated by a plurality of photodiodes, transferred through a transfer register to a charge detection capacitance and sensed through a floating junction, as a potential change of the charge detection capacitance to be amplified and output at an output amplifier composed of a plurality of stages of driver transistors, in which a field insulation film of a first stage driver transistor is formed, under a gate electrode, with a trapezoidal region left so that the gate electrode has a width thereof varied to be wider at a source end than at a drain end, permitting an increased reduction of the charge detection capacitance.

REFERENCES:
patent: 5196692 (1993-03-01), Arinaga et al.
patent: 5338948 (1994-08-01), Sims

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