Solid state imaging device and driving method therefor

Details Solid state imaging device and driving method therefor Solid state imaging device and driving method therefor

1997-09-12

2000-07-11

Allen, Stephone

Radiant energy

Photocells; circuits and apparatus

Photocell controlled circuit

257443, 257444, H01J 4014, H01L 2714

Patent

active

060876476

ABSTRACT:
The invention provides a solid state imaging device having horizontal charge transfer elements at the opposite ends of vertical charge transfer elements by which the potential of a first element separation region is stabilized to suppress reduction of the maximum handling charge amount of the vertical charge transfer elements and deterioration of the transfer efficiency of charge caused by an influence of a pulse signal applied to the vertical charge transfer elements. A predetermined potential is applied over a signal charge transfer period to a desired charge transfer electrode which does not contribute to a charge transferring operation and has overlaps with a first element separation region and a second element separation region so that a hole storage layer of a conduction type same as those of the first element separation region and the second element separation region is formed below the charge transfer electrode to electrically the first element separation region and the second element separation region to each other thereby to allow a reference potential to be supplied from the outside to the first element separation region via the second element separation region. Consequently, the potential of the first element separation region can be stabilized.

REFERENCES:
patent: 5128735 (1992-07-01), Ohmi et al.
patent: 5481124 (1996-01-01), Kozuka et al.
patent: 5604364 (1997-02-01), Ohmi et al.

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