Silver halide photographic material

Details Silver halide photographic material Silver halide photographic material

1988-09-15

1990-05-01

Michl, Paul R.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Structurally defined

430510, 430517, 430538, 430606, 430933, 430950, G03C 186

Patent

active

049217810

ABSTRACT:
A silver halide photographic material that has a photographic emulsion layer formed on a support comprising paper base coated with a resin on both sides is disclosed. In this photographic material, a hydrophilic colloidal layer containing a material that has an absorption in the wavelength region in which the photographic emulsion layer has sensitivity is provided between the emulsion layer and the support. The surface of the support on the side where the hydrophilic colloidal layer is to be coated has a center-line-average roughness, Ra, of 0.3-1.5 .mu.m, and the thickness of this hydrophilic colloidal layer is at least one half the center-line-average roughness, Ra, of the surface of said support. This photographic material has the advantage of imparting improved sharpness and a high degree of whiteness, as well as high sensitivity.

REFERENCES:
patent: 3475172 (1969-10-01), Bright et al.
patent: 4419433 (1983-12-01), Kubbota et al.
patent: 4592991 (1986-06-01), Toshida et al.
patent: 4690883 (1987-09-01), Kubodera et al.
patent: 4801509 (1989-01-01), Uno et al.

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