Method of manufacturing photorelief printing plate using a liqui

Details Method of manufacturing photorelief printing plate using a liqui Method of manufacturing photorelief printing plate using a liqui

1984-09-04

1988-01-19

Brammer, Jack P.

Radiation imagery chemistry: process, composition, or product th

Imaging affecting physical property of radiation sensitive...

Making printing plates

430300, 430301, 430394, 430494, G03C 702

Patent

active

047204486

ABSTRACT:
In the process of making relief printing plates a liquid photopolymerizably layer having substantially identical negatives on each of its two sides and being in registration and also having a transparent substrate is exposed to an external light source so that both sides are exposed to the same image and after removal of the negatives the unexposed areas of the plate are removed.

REFERENCES:
patent: 3156563 (1964-11-01), Harrison et al.
patent: 3937579 (1976-02-01), Schmidt
patent: 4193798 (1980-03-01), Sano et al.
patent: 4311785 (1982-01-01), Ahne et al.
Merigraph, Hercules Corporation Bulletin MS-104 B, pp. 1-5, date unknown.

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