Reducing dark current in charge coupled devices

Details Reducing dark current in charge coupled devices Reducing dark current in charge coupled devices

1991-06-27

1992-05-19

Munson, Gene M.

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

Charge transfer device

Compensating for or preventing signal charge deterioration

357 24, 357 30, 35821316, G11C 1928, H01L 2978, H01L 2714, H04N 314

Patent

active

051154587

ABSTRACT:
In a CCD in which a pixel is defined by at least two adjacent gate electrodes, voltages are applied to both gate electrodes to simultaneously place both gates of each pixel in a mode of operation whereby holes are accumulated at the surface of a substrate in which the CCD is formed. Preferably one of these voltages is at a higher potential level than the other.

REFERENCES:
patent: 3931465 (1976-01-01), Levine
patent: 4328432 (1982-05-01), Yamazaki
patent: 4485315 (1984-11-01), Collet et al.
patent: 4613402 (1986-09-01), Losee et al.
patent: 4621369 (1986-11-01), Narabu et al.
patent: 5008758 (1991-04-01), Burke
Sze, Physics of Semiconductor Devices, 1st Edition, John Wiley, N.Y. 1969, pp. 38-39, 426-429.

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