Fogged, direct-positive silver halide emulsion containing a gall

Details Fogged, direct-positive silver halide emulsion containing a gall Fogged, direct-positive silver halide emulsion containing a gall

1974-10-03

1977-02-22

Louie, Jr., Won H.

Gas separation: apparatus

Solid sorbent apparatus

Soluble or deliquescent type

96108, 96101, G03C 128, G03C 102

Patent

active

040090418

ABSTRACT:
The present invention relates to photography and, more particularly, to a novel radiation recording photographic element which comprises a direct positive photosensitive element which includes, in combination, a particulate dispersion of fogged silver halide crystals, adapted to discharge the fogged silver halide upon exposure to electromagnetic radiation actinic thereto, having associated therewith in electron accepting relationship a semiconductor adapted to accept electrons from said silver halide crystals as a function of the exposure of the crystals to incident electromagnetic radiation actinic thereto.

REFERENCES:
patent: 2399083 (1946-04-01), Waller et al.
patent: 3109737 (1963-11-01), Scott
patent: 3121006 (1964-02-01), Middleton et al.
patent: 3367778 (1968-02-01), Berriman
patent: 3501310 (1970-03-01), Illingsworth et al.
patent: 3615519 (1971-10-01), Milton
patent: 3620750 (1971-11-01), Riester
patent: 3656962 (1972-04-01), Levy

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