Printing plates

Details Printing plates Printing plates

1980-08-11

1981-10-13

Louie, Jr., Won H.

Radiation imagery chemistry: process, composition, or product th

Imaging affecting physical property of radiation sensitive...

Making printing plates

430311, G03F 702, G03C 500

Patent

active

042949106

ABSTRACT:
A method of treating a plate comprising a substrate carrying an image includes the step of providing a shield on the plate prior to heating the plate so as to prevent contaminants contacting the plate during the heating step. The plate may be a radiation sensitive plate which has been image-wise exposed and developed and which comprises a substrate coated with a radiation sensitive layer comprising for example a quinone diazide and a novolak resin. The radiation sensitive plate may be for the production of a lithographic printing plate and the shield may be in the form of, for example, a layer of a salt such as sodium dedecyl phenoxy benzene disulphonate.

REFERENCES:
patent: 2958599 (1960-11-01), Neugebauer
patent: 3471289 (1969-10-01), Herrick
patent: 3482977 (1969-12-01), Baker
patent: 3573975 (1971-04-01), Dhaka et al.
patent: 3586554 (1971-06-01), Couture et al.
patent: 3615937 (1971-10-01), Collins et al.
patent: 3637384 (1972-01-01), Deutsch et al.
patent: 3652273 (1972-03-01), Htoo
patent: 3705055 (1972-12-01), Christensen et al.
patent: 3707373 (1972-12-01), Martinson et al.
patent: 3860426 (1975-01-01), Cunningham et al.
Arcus et al., IBM Technical Disclosure Bulletin, vol. 15, No. 11, 4/1973, p. 353T.

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