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Direct positive silver halide photographic sensitive material

阅读:299发布:2022-02-01

专利汇可以提供Direct positive silver halide photographic sensitive material专利检索,专利查询,专利分析的服务。并且PURPOSE:To obtain the titled material having high max. optical density and low min. optical density, and a good shelf life and capable of a rapid processing by comprising an internal latent image type silver halide particle having a crystalline surface defined with Miller index (nn1) (n>=2). CONSTITUTION:The internal latent image type silver halide particle has the crystalline surface defined with Miller index (nn1) (n>=2). The composition of silver halide is not specified, and preferably is silver chloride, silver chlorobromide, silver iodobromide, silver bromide or silver chloroiodobromide. The particle constitution is preferably a core shell type emulsion. The core is preferably effected chemical sensitization and/or a doping with a polyvalent metal. The substrate of the shell can be controlled the characteristics thereof by effecting somewhat chemical sensitization.,下面是Direct positive silver halide photographic sensitive material专利的具体信息内容。

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