Method of image formation by silver salt diffusion transfer

Details Method of image formation by silver salt diffusion transfer Method of image formation by silver salt diffusion transfer

1993-03-25

1994-07-05

Schilling, Richard L.

Radiation imagery chemistry: process, composition, or product th

Transfer procedure between image and image layer, image...

Diffusion transfer process, element, or identified image...

430230, 430567, 430569, 430599, G03C 554

Patent

active

053266684

ABSTRACT:
A method of image formation disclosed, which comprises a method of image formation comprising developing a photosensitive element comprising an image-wise exposed photosensitive silver halide emulsion layer using an alkaline processing element containing a silver halide solvent to convert at least a part of the unexposed silver halide in the emulsion layer to a transferrable silver complex salt, and transferring at least a portion of the silver complex salt onto an image-receiving element comprising an image-receiving layer containing silver precipitation nuclei to form an image in the image-receiving element, wherein the silver halide grain in the photosensitive silver halide emulsion layer comprises silver iodobromide or silver chloroiodobromide having a silver iodide content of from 0.5 to 3.5 mol %; and wherein silver bromide or silver iodobromide is formed after chemical sensitization on the surface of the grains in an amount of from 3 to 20% in terms of silver.

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patent: 4165986 (1979-08-01), Walworth
patent: 4444877 (1984-04-01), Koitabashi et al.
patent: 4514488 (1985-04-01), Idota et al.
patent: 4623612 (1986-11-01), Nishikawa et al.
patent: 4677052 (1987-06-01), Inoue

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