The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jul. 18, 2006

Filed:

Apr. 06, 2001
Applicant:

Hisashi Hotta, Shizuoka-ken, JP;

Inventor:

Hisashi Hotta, Shizuoka-ken, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03F 7/11 (2006.01);
U.S. Cl.
CPC ...
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.


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