Silver complex diffusion transfer processing

Details Silver complex diffusion transfer processing Silver complex diffusion transfer processing

1988-06-09

1989-07-04

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, 430244, 430606, G03C 554

Patent

active

048450103

ABSTRACT:
A method for the production of a photographic image by silver complex diffusion transfer processing wherein a negative working silver halide emulsion material having particularly high exposure latitude and being manipulatable under room light conditions without prohibitive fogging is used, said material having a low intensity reciprocity failure (L.I.R.F). The material is contact-exposed with visible light through a sheet support carrying paper paste-up material with its information facing the silver halide emulsion layer of the photographic material, and the resulting latent image is developed in the presence of a silver halide complexing agent and the thus developed silver halide emulsion material is contacted with an image-receiving material to form according to a preferred embodiment a planographic printing plate.

REFERENCES:
patent: 4326021 (1982-04-01), Steiger et al.
patent: 4425420 (1984-01-01), De Jaeger et al.
patent: 4472497 (1984-09-01), Kitchen
patent: 4666827 (1987-05-01), Sami et al.
patent: 4686170 (1987-08-01), Vermeulen et al.
Poot et al., "A Camera Speed Diffusion Transfer . . . ", J. Appl. Photo. Engr., Vol. 5, No. 3, 1979, pp. 169-171.

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