Radiation imagery chemistry: process – composition – or product th – Imaging affecting physical property of radiation sensitive... – Post imaging treatment with particles
Patent
1990-10-31
1992-10-13
Schilling, Richard L.
Radiation imagery chemistry: process, composition, or product th
Imaging affecting physical property of radiation sensitive...
Post imaging treatment with particles
430269, 430292, 430293, 430253, G03C 546, G03C 1118, G03F 110
Patent
active
051550105
ABSTRACT:
Layer transfer process for image production wherein predetermined areas of the surface of an image carrier (21) are prepared to accept a color layer, the image carrier (21) and a color carrier (22) of layer transfer material are brought into mutual contact under pressure, and the color carrier is removed from the image carrier, so that color remains on the predetermined areas of the image carrier. A high uniformity of colorant application can be achieved over the entire surface of the image carrier. The process is performed by an apparatus with at least one roll nip (31) formed by two hard rolls (11, 12), preferably with different diameters, in which the two rolls are mutually offset relative to the feed direction (30) of the image carrier (21).
REFERENCES:
patent: 4304839 (1981-12-01), Cohen et al.
patent: 4356253 (1982-10-01), Buzzell
patent: 4764451 (1988-08-01), Ishikawa
patent: 4806451 (1989-02-01), Frohlich
patent: 4902363 (1990-02-01), Delaney et al.
patent: 4912014 (1990-03-01), Feldman
E. I. Du Pont de Nemours and Company
Schilling Richard L.
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