Method and apparatus for laser imaging of lithographic printing

Details Method and apparatus for laser imaging of lithographic printing Method and apparatus for laser imaging of lithographic printing

1995-01-23

1997-12-16

Funk, Stephen R.

Printing

Planographic

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

101454, 101457, 101456, B41C 110

Patent

active

056973004

ABSTRACT:
Apparatus and methods for rapid, efficient production of durable lithographic printing plates by a thermal-transfer process that does not involve ablation. In response to an imaging pulse, a transfer material reduces in viscosity to a flowable state. The material exhibits a higher melt adhesion for a plate substrate than for the carrier sheet to which it is initially bound, so that in a flowable state it transfers completely to the substrate. Following transfer, the carrier sheet, along with untransferred material, is removed from the substrate.

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