Instant photographic method and apparatus

Details Instant photographic method and apparatus Instant photographic method and apparatus

1985-12-12

1987-06-30

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, 430244, 430236, 430500, 430501, 354303, 354304, G03C 554, G03C 300

Patent

active

046770461

ABSTRACT:
An instant photographic method uses a photosensitive member in the form of a roll, of a length to receive a plurality of exposures, and an image-receiving member in the form of either a roll or a sheet. The photosensitive member is cut off to the length of a single frame of film after the exposure of its leading end. Before or after cutting off the member or members, the exposed leading end of the photosensitive member and the image-receiving member are superposed. Between the superposed members a processing liquid is distributed and spread in a uniform layer for diffusion transfer processing. During the processing, negative and positive images are produced simultaneously on the photosensitive and image-receiving members, respectively, according to the latent image previously created on the photosensitive member by exposure.

REFERENCES:
patent: 2653530 (1953-09-01), McCune
patent: 2698243 (1954-12-01), Bachelder et al.
patent: 3455691 (1969-07-01), Bachelder et al.
patent: 3679417 (1972-07-01), Knight et al.

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