PHOTOSENSITIVE SILVER HALIDE EMULSION AND ITS PREPARATION

PURPOSE:To obtain a photosensitive silver halide emulsion superior in sensitivity, contrast, graininess, etc., by simultaneously adding an aq. soln. of AgNO3 and an aq. soln. of KBr and KI to an aq. gelatin soln. contg. silver halide solvent while pAg is being maintained constant. CONSTITUTION:An aq...

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Hauptverfasser:	AYATO HIROSHI, ISHIMARU SHINGO, SHIBAHARA YOSHIHIKO
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	AYATO HIROSHI ISHIMARU SHINGO SHIBAHARA YOSHIHIKO
description	PURPOSE:To obtain a photosensitive silver halide emulsion superior in sensitivity, contrast, graininess, etc., by simultaneously adding an aq. soln. of AgNO3 and an aq. soln. of KBr and KI to an aq. gelatin soln. contg. silver halide solvent while pAg is being maintained constant. CONSTITUTION:An aq. soln. of watler-soluble silver salt, such as AgNO3, and an aq. soln. of water-soluble alkali metal halide, such as KI and KBr, is simultaneously added in the presence of a silver halide solvent, such as NH3, to an aq. soln. of gelatin, while pAg is being kept constant in the range of 7.0-8.3, thus obtaining an objective silver iodobromide emulsion substantially composed of cubic or tetradecahedral crystalline grains having >=5mol% average AgI content, and a relative standard deviation of
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CONSTITUTION:An aq. soln. of watler-soluble silver salt, such as AgNO3, and an aq. soln. of water-soluble alkali metal halide, such as KI and KBr, is simultaneously added in the presence of a silver halide solvent, such as NH3, to an aq. soln. of gelatin, while pAg is being kept constant in the range of 7.0-8.3, thus obtaining an objective silver iodobromide emulsion substantially composed of cubic or tetradecahedral crystalline grains having >=5mol% average AgI content, and a relative standard deviation of <=20%.</description><language>eng</language><subject>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</subject><creationdate>1985</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19850729&DB=EPODOC&CC=JP&NR=S60143332A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19850729&DB=EPODOC&CC=JP&NR=S60143332A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>AYATO HIROSHI</creatorcontrib><creatorcontrib>ISHIMARU SHINGO</creatorcontrib><creatorcontrib>SHIBAHARA YOSHIHIKO</creatorcontrib><title>PHOTOSENSITIVE SILVER HALIDE EMULSION AND ITS PREPARATION</title><description>PURPOSE:To obtain a photosensitive silver halide emulsion superior in sensitivity, contrast, graininess, etc., by simultaneously adding an aq. soln. of AgNO3 and an aq. soln. of KBr and KI to an aq. gelatin soln. contg. silver halide solvent while pAg is being maintained constant. 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CONSTITUTION:An aq. soln. of watler-soluble silver salt, such as AgNO3, and an aq. soln. of water-soluble alkali metal halide, such as KI and KBr, is simultaneously added in the presence of a silver halide solvent, such as NH3, to an aq. soln. of gelatin, while pAg is being kept constant in the range of 7.0-8.3, thus obtaining an objective silver iodobromide emulsion substantially composed of cubic or tetradecahedral crystalline grains having >=5mol% average AgI content, and a relative standard deviation of <=20%.</abstract><oa>free_for_read</oa></addata></record>
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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	PHOTOSENSITIVE SILVER HALIDE EMULSION AND ITS PREPARATION
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