Method for producing a steel lithographic plate

Details Method for producing a steel lithographic plate Method for producing a steel lithographic plate

1981-12-02

1984-05-01

Williams, Howard S.

Plastic and nonmetallic article shaping or treating: processes

Treating shaped or solid article

To shrink

1014631, 204 29, 204 34, 204 38R, 204 40, 204 41, 204 38S, C25D 536, C25D 510, C25D 512, B41N 108

Patent

active

044459980

ABSTRACT:
A method for producing a metal substrate for a lithographic plate is provided herein by treating the substrate having the thickness in the range of 50 to 400 .mu.m. The said substrate is electrochemically, chemically or mechanically treated in order to provide an average surface roughness in the range of 0.1 to 3 .mu.m, followed by a surface treatment such as plating or chemical treatment, and then followed by a conventional hydrophilic treatment.

REFERENCES:
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patent: 3280736 (1966-10-01), Schafler et al.
patent: 3519542 (1970-07-01), Kitamura et al.
patent: 3537958 (1970-11-01), Wrenn et al.
patent: 3616288 (1971-10-01), Snavely
patent: 3909209 (1975-09-01), Kruper et al.
patent: 3929591 (1975-12-01), Chu et al.
patent: 4101386 (1978-07-01), Dotzer et al.
patent: 4116695 (1978-09-01), Mori et al.

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