Method and apparatus for using surface trap recombination in sol

Details Method and apparatus for using surface trap recombination in sol Method and apparatus for using surface trap recombination in sol

1984-07-31

1987-07-07

James, Andrew J.

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

Charge transfer device

Compensating for or preventing signal charge deterioration

357 24, G11C 1928

Patent

active

046792120

ABSTRACT:
The specification discloses a charge transfer imaging device (10) having a charge removal gate (26). Pulses (30) of sufficient amplitude and frequency are applied to gate (26) in order to remove charge from device (10) by electron-hole recombination through interface traps of electrons and holes. Pulses of one amplitude reduce blooming of the device when used as an imager, while pulses of a second amplitude may be used to produce imager aperture control and gamma correction. Further, the charge removal technique may be used to control charge injection device (96) operation.

REFERENCES:
patent: 3931465 (1976-01-01), Levine
patent: 4229752 (1980-10-01), Hynecek
patent: 4328432 (1982-05-01), Yamazaki
patent: 4375597 (1983-03-01), Kosonocky
patent: 4485315 (1984-11-01), Collet et al.
Levine, Peter A., "Method for Varying Gamma in Charge-Coupled Imagers" 1976 IEEE International Solid-State Circuits Conference, 38-39.

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