Printing – Planographic – Lithographic plate making – and processes of making or using...
Patent
1995-01-30
1996-07-30
Funk, Stephen
Printing
Planographic
Lithographic plate making, and processes of making or using...
101453, 101457, 101462, 430303, 430326, B41N 114, B41C 110, B41M 524
Patent
active
055401503
ABSTRACT:
Apparatus and methods for imaging lithographic plates using laser devices that emit in the near-infrared region, and plates suitable for imaging with the apparatus and methods. 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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Nechiporenko et al., "Direct Method of Producing Waterless Offset Plates By Controlled Laser Beam".
Research Disclosure, Apr. 1980, at p. 131.
Gardiner John P.
Kline John F.
Lewis Thomas E.
Nowak Michael T.
Pensavecchia Frank G.
Funk Stephen
Presstek Inc.
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