Lithographic printing plate and method for manufacturing the sam

Details Lithographic printing plate and method for manufacturing the sam Lithographic printing plate and method for manufacturing the sam

1997-06-03

1999-08-10

Funk, Stephen R.

Printing

Planographic

Lithographic plate making, and processes of making or using...

101456, 101457, 101466, 430302, 430309, 430945, B41C 110, G03F 726

Patent

active

059341971

ABSTRACT:
A printing plate for use in lithographic printing has a thermally responsive recording material. A plate is fabricated with a photosensitive emulsion affixed to an upper surface of an aluminum substrate. The plate is first chemically processed so that it is capable of accepting ink (i.e., oleophilic). Thereafter, selected areas of the emulsion are thermally removed, preferably by exposure to a high power laser beam. The plate is ready for immersion into an aqueous ink solution.

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