Support for lithographic printing plate

Details Support for lithographic printing plate Support for lithographic printing plate

1983-06-10

1985-01-08

Andrews, R. L.

Stock material or miscellaneous articles

All metal or with adjacent metals

Composite; i.e., plural, adjacent, spatially distinct metal...

428615, 428632, 428621, 204 51, 101454, 101458, C25D 304

Patent

active

044927401

ABSTRACT:
Disclosed is a support for lithographic printing plate having an electrodeposited chromium layer on an iron material, characterized in that the surface of said electrodeposited layer has a shape in which crystalline products with angles protrude thereon, the elemental composition in the surface side portion of said electrodeposited layer consists substantially of chromium and oxygen and the ratios of atomic concentrations of chromium and oxygen at said portion are substantially even at the same depth from every point on said surface.

REFERENCES:
patent: 3860398 (1975-01-01), Tsurumaru et al.
patent: 4296182 (1981-10-01), Matsubayashi et al.

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