Process and apparatus for making lithographic printing plates

Details Process and apparatus for making lithographic printing plates Process and apparatus for making lithographic printing plates

G - Physics

03

D

95/86

G03D 3/00 (2006.01) G03D 11/00 (2006.01) G03F 7/095 (2006.01)

Patent

CA 1139976

ABSTRACT Lithographic printing plates are made by exposing to actinic light a lithographic plate having a water soluble light sensitive layer thereon and a coating of a solvent soluble, UV curable material thereover to form an image in the light sensitive layer and adhere said layer to the overlying UV curable material. The plate is developed with water to remove light sensitive layer and overlying UV curable material in the non-image areas, and the plate is exposed to UV source having an intensity greater than the imaging light to form a press-ready plate having a durable, reinforced cured image thereon.

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