Lithographic imaging and cleaning of printing members having bor

Details Lithographic imaging and cleaning of printing members having bor Lithographic imaging and cleaning of printing members having bor

1999-04-16

2000-07-11

Baxter, Janet

Radiation imagery chemistry: process, composition, or product th

Imaging affecting physical property of radiation sensitive...

Radiation sensitive composition or product or process of making

430302, G03F 709

Patent

active

060870699

ABSTRACT:
Lithographic printing members have inorganic protective layers that may be applied by vacuum deposition. In a representative construction, a substrate and a first layer thereover have different affinities for ink and/or a liquid to which ink will not adhere; the first layer may, for example, be applied under vacuum and comprise a metal or a metallic inorganic layer. Onto this layer is deposited a material comprising, for example, a boron ceramic, and under conditions ensuring that oxygen is present at least at the interface between the boron ceramic and the first layer. The first layer may incorporate a surface layer of oxygen or may be an oxygen compound. The oxygen facilitates hydrolysis of the boron ceramic during the print "make-ready" process.

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