Process for the exposure and development of photo-graphic images

Details Process for the exposure and development of photo-graphic images Process for the exposure and development of photo-graphic images

1983-05-23

1985-04-02

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...

430207, 430220, 430236, G03C 554, G03C 700

Patent

active

045088098

ABSTRACT:
In a process and an apparatus for the exposure and development of photographic images according to the dye diffusion process a monosheet material is used, the laminated structure of which is divided by a layer which is impermeable to light but permeable to moisture into a photosensitive side of the sheet for image-wise exposure and a non-photosensitive side for observation and supplying the activator or developer solution. The said monosheet material is exposed image-wise in the dark and the photosensitive side then sealed in a light and moisture proof manner in a development apparatus in which the non-photosensitive side of the monosheet lies open and is exposed to an activator in daylight so that the image formation takes place visibly. Once the image quality has been achieved the development is stopped by removing the activator and by subsequent rinsing. The monosheet is dried in a conventional manner but only on one side.

REFERENCES:
patent: 3415645 (1968-12-01), Land
patent: 3620724 (1971-11-01), Land
patent: 4407929 (1983-10-01), Boie et al.

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