Thermodevelopable photographic material containing high silver i

Details Thermodevelopable photographic material containing high silver i Thermodevelopable photographic material containing high silver i

1974-01-10

1976-01-13

Klein, David

Gas separation: apparatus

Solid sorbent apparatus

With control means responsive to sensed condition

96 48HD, 961141, G03C 102

Patent

active

039321894

ABSTRACT:
A thermodevelopable photographic material comprising a support and a layer composed of (a) a high silver ion conducting substance having an ion conductivity at 25.degree.C of at least 1 .times. 10.sup.-.sup.3 (.OMEGA.cm).sup.-.sup.1, such as silver iodide tungstate, or a mixture of the high silver ion conducting substance with silver, and (b) a weak reducing agent. In order to increase the sensitivity of the material, a photosensitive silver halide can further be incorporated in the layer. The photographic material is exposed imagewise, and then heated for a short time to form a permanent visible image of clear contrast.

REFERENCES:
patent: 3457075 (1969-07-01), Morgan et al.

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