Shallow relief photopolymer printing plate and methods

Details Shallow relief photopolymer printing plate and methods Shallow relief photopolymer printing plate and methods

1977-01-24

1978-09-19

Welsh, John D.

Gas separation: apparatus

Electric field separation apparatus

Electrode cleaner, apparatus part flusher, discharger, or...

96 79, 101467, 96 48R, 96 38, G03C 500

Patent

active

041151194

ABSTRACT:
A shallow relief printing plate is disclosed having a polymerized layer of less than about 0.020 inch and which includes an array of small protuberances in non-image or background areas to prevent bottoming. Photopolymerizable elements, as well as processing techniques, are also disclosed for making such printing plates.

REFERENCES:
patent: 2854336 (1958-09-01), Gutknecht
patent: 3523503 (1970-08-01), O'Boyle
patent: 3647446 (1972-03-01), Alsup et al.
patent: 3677750 (1972-07-01), Mammino et al.
patent: 3728114 (1973-04-01), Futaki

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