Planographic printing plate

Details Planographic printing plate Planographic printing plate

2006-07-18

2006-07-18

Hamilton, Cynthia (Department: 1752)

Radiation imagery chemistry: process, composition, or product th

Imaging affecting physical property of radiation sensitive...

Radiation sensitive composition or product or process of making

C430S272100, C430S302000, C430S944000, C430S945000

Reexamination Certificate

active

07078153

ABSTRACT:
The present invention provides a thermal type planographic printing plate which is writable by infrared laser beam exposure, can record images with high sensitivity and can provide a high quality printed matter which does not have stains. The planographic printing plate comprises a recording layer which is writable by infrared-laser exposure on a support formed with an anodic oxidation coating having a predetermined density and/or vacancy ratio on a roughened surface of an aluminum substrate.

REFERENCES:
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patent: 5633115 (1997-05-01), Jaeger et al.
patent: 5658708 (1997-08-01), Kondo
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patent: 0 697 282 (1996-02-01), None
patent: 0 716 935 (1996-06-01), None
patent: 0 730 202 (1996-09-01), None
patent: WO98/52743 (1998-11-01), None

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