Silver halide photographic light-sensitive material for laser-beam-scanning use

Abstract

Disclosed is a silver halide photographic light-sensitive material for laser beam scanning use, comprising a support and a silver halide emulsion layer on one side of said support, which layer having a silver coating weight of not more than 3.5 g/m 2 , and at least one polymer matting agent on the one side of the silver halide emulsion layer, wherein the silver halide emulsion layer comprises chemically unripened silver halide grains having an average grain diameter of 0.8 μm to 2.0 μm and chemically ripened silver halide grains having an average grain diameter of 0.1 μm to 0.6 μm in a ratio of 30:70 to 5:95.

What is claimed is: 
     
       1. A silver halide photographic light-sensitive material for laser beam scanning use, comprising a support and a silver halide emulsion layer on one side of said support, which layer having a silver coating weight of not more than 3.5 g/m 2 , and at least one polymer matting agent on the silver halide emulsion layer side of said support, wherein the silver halide emulsion layer comprises chemically unripened silver halide grains having an average grain diameter of 0.8 μm to 2.0 μm and chemically ripened silver halide grains having an average grain diameter of 0.1 μm to 0.6 μm in a ratio of 30:70 to 5:95. 
     
     
       2. The silver halide photographic light-sensitive material of claim 1, wherein the silver halide emulsion layer comprises chemically unripened silver halide grains having an average grain diameter of 0.9 μm to 1.2 μm and chemically ripened silver halide grains having an average grain diameter of 0.15 μm to 0.40 μm in a ratio of 30:70 to 5:95. 
     
     
       3. The silver halide photographic light-sensitive material of claim 1, wherein the silver halide emulsion layer comprises chemically unripened silver halide grains having an average grain diameter of 0.9 μm to 1.2 μm and chemically ripened silver halide grains having an average grain diameter of 0.15 μm to 0.40 μm in a ratio of 20:80 to 5:95. 
     
     
       4. The silver halide photographic light-sensitive material of claim 1, wherein the silver coating weight is within the range of 2.0 to 3.3 g/m 2 . 
     
     
       5. The silver halide photographic light-sensitive material of claim 1, wherein the polymer matting agent is selected from the group consisting of polyacrylate, polymethyl methacrylate, cellulose acetate propionate and polystyrene and wherein the polymer matting agent has an average diameter of 0.5 μm to 7.0 μm. 
     
     
       6. The silver halide photographic light-sensitive material of claim 1, wherein the polymer matting agent is contained in an amount of 10 to 100 mg/m 2 . 
     
     
       7. The silver halide photographic light-sensitive material of claim 6, wherein the matting agent is contained in a layer selected from the group consisting of an emulsion layer, a non-emulsion layer and a protective layer. 
     
     
       8. The silver halide photographic light-sensitive material of claim 1, wherein the material is spectral sensitized to the wavelength region of not less than 600 nm, and the material comprises a spectral sensitizing dye represented by Formulae 1, 2 or 3: ##STR21## wherein Z 1  and Z 2  each represents a group of non-metallic atoms necessary to form an azole ring which may have a substituent selected from an alkoxyl group, a hydroxyl group, a chloro atom or a hydrogen atom; R 1  and R 2  each represents an alkyl group or a sulfopropyl group, a sulfobutyl group, a sulfonatopropyl group or a sulfonatobutyl group; X -   is a counter ion; and n is an integer of 1 or 2, provided that n is 1 when an intramolecular salt is formed, ##STR22## wherein Z 3  and Z 5  each represents a group of non-metallic atoms necessary to form a benzothiazole ring, a naphthothiazole ring, a benzoxazole ring or a naphthoxazole ring, each of which may have a substituent; Z 4  represents a moiety necessary to form a 5- or 6-membered carbocyclic ring selected from a ##STR23## R 3  and R 4  each represents an alkyl group or a carboxymethyl group; X -  is a counter ion; and n is an integer of 1 or 2, provided that n is 1 when an intramolecular salt is formed, ##STR24## wherein R 5  and R 6  each represents an alkyl group; R 7  is a hydrogen atom, an alkyl group, an alkoxy group, a phenyl group or a benzyl group; Y is a hydrogen atom, an alkyl group having 1 to 8 carbon atoms, an alkoxy group or a halogen atom; Z 6  represents a moiety necessary to form a 5- or 6-membered nitrogen containing heterocyclic group; X -  is a counter ion; and m, n and p are each an integer of 1 or 2. 
     
     
       9. A silver halide photographic light-sensitive material for laser beam scanning use, comprising a support and a silver halide emulsion layer on one side of said support, which layer having a silver coating weight of 2.0 to 3.3 g/m 2 , and at least one polymer matting agent on the silver halide emulsion layer side of the support, wherein the silver halide emulsion layer comprises chemically unripened silver halide grains having an average grain diameter of 0.9 μm to 1.2 μm and chemically ripened silver halide grains having an average grain diameter of 0.15 μm to 0.40 μm in a ratio of 20:80 to 5:95.