Method of imaging a lithographic printing plate

Details Method of imaging a lithographic printing plate Method of imaging a lithographic printing plate

1995-02-10

1996-02-13

Hamilton, Cynthia

Radiation imagery chemistry: process, composition, or product th

Imaging affecting physical property of radiation sensitive...

Making printing plates

43027014, 430944, 430309, G03F 7038, G03F 720, G03F 730, G03F 738

Patent

active

054910463

ABSTRACT:
A lithographic printing plate that has an imaging layer that comprises an admixture of (1) a resole resin, (2) a novolac resin, (3) a latent Bronsted acid and (4) an infrared absorber; that is sensitive to both ultraviolet and infrared radiation; and that is capable of functioning in either a positive-working or negative-working manner is imagewise exposed with a laser diode that emits a high-intensity infrared laser beam which provides enhanced image sharpness.

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W. S. DeForest, Photoresist: Materials and Processes McGraw--Hill Book Company, New York, NY, 1975, pp. 109-124.

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