Printing – Planographic – Lithographic plate making – and processes of making or using...
Patent
1995-12-21
1998-04-28
Funk, Stephen R.
Printing
Planographic
Lithographic plate making, and processes of making or using...
101453, 101478, B41C 110
Patent
active
057431884
ABSTRACT:
Lithographic printing is carried out by a novel process utilizing a zirconia ceramic as a printing plate. In this process, the surface of the zirconia ceramic printing plate is imagewise exposed to radiation which transforms it from a hydrophilic to an oleophilic state or from an oleophilic to a hydrophilic state, thereby creating a lithographic printing surface which is hydrophilic in non-image areas and is oleophilic and thus capable of accepting printing ink in image areas. The zirconia ceramic printing plate utilized in this process is capable of extremely long printing runs, is especially well adapted for direct digital laser imaging using images that are electronically captured and digitally stored, and can be reused by erasing the image from the ceramic surface by thermally-activated oxidation or laser-assisted oxidation.
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Chatterjee Dilip Kumar
Ghosh Syamal Kumar
Harris Mark Anthony
Korn Donald Michael
Zongrone Nicoletta Assaro
Eastman Kodak Company
Funk Stephen R.
Lorenzo Alfred P.
Tucker J. Lanny
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