Support for photographic paper

Details Support for photographic paper Support for photographic paper

1991-06-27

1993-05-18

Loney, Donald J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Continuous and nonuniform or irregular surface on layer or...

428156, 428172, 428212, 428213, 428339, 428409, 4285375, 428511, B32B 300

Patent

active

052120058

ABSTRACT:
Disclosed is a finely embossed type support for photographic paper which has a center-plane average roughness SRa of 1.0-2.0 .mu.m, a center-Plane peak height SRp of 5-7 .mu.m, and a center-plane valley depth of 6-9 .mu.m according to a three-dimensional surface roughness meter. This support for photographic paper has a proper gloss and can be coated with an emulsion at a high speed and has good handling properties.

REFERENCES:
patent: 4352847 (1982-10-01), Okiyama
patent: 4367511 (1983-01-01), Crass
patent: 4413109 (1983-11-01), Haas
patent: 4546029 (1985-10-01), Cancio
patent: 4677188 (1987-06-01), Utsumi et al.

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