MIS structures for background rejection in infrared imaging devi

Details MIS structures for background rejection in infrared imaging devi MIS structures for background rejection in infrared imaging devi

1974-11-29

1976-09-28

Dixon, Harold A.

Radiant energy

Invisible radiant energy responsive electric signalling

Semiconductor system

250211R, 250338, 357 24, 357 30, G01T 122, H01L 2714

Patent

active

039833950

ABSTRACT:
An infrared imager having (1) sensing sites comprised of three MIS capacitors, one being an optically sensitive receiver capacitor, a second being an optically insensitive transfer capacitor, and a third being an optically insensitive storage capacitor; and (2) storage control circuit for cycling said sensing sites through a plurality of storage cycles, each cycle comprised of transferring a signal charge from said receiver capacitor to the storage capacitor, prior to readout of the stored signal charge, which is substantially free of background charge, from said optically insensitive storage capacitor using either charge-injection device (CID) or charge-coupled device (CCD) techniques.

REFERENCES:
patent: 3771149 (1973-11-01), Collins et al.
patent: 3840740 (1974-10-01), Stewart
patent: 3876952 (1975-04-01), Weimer
patent: 3882531 (1975-05-01), Michon
patent: 3890633 (1975-06-01), Kosonocky

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