Aluminum alloy plate for lithographic printing form and...

Details Aluminum alloy plate for lithographic printing form and... Aluminum alloy plate for lithographic printing form and...

2007-12-11

2007-12-11

Walke, Amanda (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

C430S278100, C430S302000

Reexamination Certificate

active

10500088

ABSTRACT:
The present invention provides an aluminum alloy plate for use as a lithographic printing plate having an improved uniformity of a surface roughened by electrolytic etching and wherein streaking does not occur, and a method for producing the same. The present invention is characterized in comprising, in wt %, Fe: 0.1 to 0.6%; Si: 0.02 to 0.2%; Cu: 0.001 to 0.02%; Zn: 0.01 to 0.1%; Mg: 0.005 to 0.1%; Ti: 0.001 to 0.05%, and the remainder Al and inevitable impurities, and an average value of the crystal particle size is 60 μm or less in a direction perpendicular to the rolling direction.

REFERENCES:
patent: 6494137 (2002-12-01), Sawada et al.
patent: 2005/0019698 (2005-01-01), Ishida et al.
patent: 0 942 071 (1999-09-01), None
patent: 52-29301 (1977-03-01), None
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patent: 11-61364 (1999-03-01), None
patent: 11-151870 (1999-06-01), None

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