Lithographic printing plates for use with laser-discharge imagin

Details Lithographic printing plates for use with laser-discharge imagin Lithographic printing plates for use with laser-discharge imagin

1994-08-16

1996-01-30

Funk, Stephen

Printing

Planographic

Lithographic printing plates

101457, 101462, 101467, 101459, B41N 108

Patent

active

054873380

ABSTRACT:
Lithographic printing plates suitable for imaging by means of laser devices that emit in the near-infrared region. Laser output either ablates one or more plate layers or physically transforms a surface layer, in either case resulting in an imagewise pattern of features on the plate. The image features exhibit an affinity for ink or an ink-abhesive fluid that differs from that of unexposed areas.

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patent: 4063949 (1977-12-01), Uhlig et al.
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patent: 4842988 (1989-06-01), Herrmann et al.
patent: 4842990 (1989-06-01), Herrmann et al.
patent: 4911075 (1990-03-01), Lewis et al.
patent: 5053311 (1991-10-01), Makino et al.
patent: 5378580 (1995-01-01), Leenders
"Lasers in Platemaking", Graphic Arts Monthly, Dec. 1975, Dr. Albert R. Materazzi, pp. 70-73.
Nechiporenko et al., "Direct Method of Producing Waterless Offset Plates by Controlled Laser Beam", USSR Research Institute for Complex Problems in Graphic Arts, pp. 139-148.
Research Disclosure, Apr. 1980, at p. 131, "Method and Material for the Production of a Dry Planographic Plate", Leenders et al.

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