SILVER HALIDE EMULSION AND PHOTOSENSITIVE MATERIAL

PURPOSE:To provide a photosensitive material excellent in the aptitude of manufacture and improved in printing resistance by desalting a specified silver halide emulsion and then using it as a seed crystal emulsion. CONSTITUTION:The manufacturing process is divided into a seed crystal preparation pr...

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1. Verfasser:	KINE YASURO
Format:	Patent
Sprache:	eng
Schlagworte:	AUXILIARY PROCESSES IN PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR,STEREO-PHOTOGRAPHIC PROCESSES PHOTOGRAPHY PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES PHYSICS
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creator	KINE YASURO
description	PURPOSE:To provide a photosensitive material excellent in the aptitude of manufacture and improved in printing resistance by desalting a specified silver halide emulsion and then using it as a seed crystal emulsion. CONSTITUTION:The manufacturing process is divided into a seed crystal preparation process and a process including seed crystal grain growth step in the presence of the seed crystals, and this seed crystal preparation process comprises a grain-forming step including nucleus formation, ripening, and growth steps, and the following desalting and water rinsing steps. The process including the grain growth step comprises a step for further growing the silver halide grains in the presence of the seed crystals and steps for desalting and rinsing and chemical sensitization and the like. A silver halide emulsion containing silver halide grains having an aspect ratio of >=2.0 in a projection area of >=50% of those of the total silver halide grains is used as the seed crystals, and the emulsion to be prepared contains flat silver halide grains having an aspect ratio of >=3.0 and a diameter of >=0.8mum in terms of a true sphere in a projection area of >=50% of those of the total silver halide grains.
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CONSTITUTION:The manufacturing process is divided into a seed crystal preparation process and a process including seed crystal grain growth step in the presence of the seed crystals, and this seed crystal preparation process comprises a grain-forming step including nucleus formation, ripening, and growth steps, and the following desalting and water rinsing steps. The process including the grain growth step comprises a step for further growing the silver halide grains in the presence of the seed crystals and steps for desalting and rinsing and chemical sensitization and the like. 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subjects	AUXILIARY PROCESSES IN PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR,STEREO-PHOTOGRAPHIC PROCESSES PHOTOGRAPHY PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES PHYSICS
title	SILVER HALIDE EMULSION AND PHOTOSENSITIVE MATERIAL
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