PHOTOGRAPHING UNIT

PURPOSE:To obtain a silver halide photosensitive material having a wide permitted extent of underexposure and superior sharpness and not causing defective desilvering by incorporating a specified amt. of coarse silver halide particles into a red- or green-sensitive phtosensitive layer and a specifie...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	YAGI TOSHIHIKO, EZAKI ATSUO
Format:	Patent
Sprache:	eng
Schlagworte:	ACCESSORIES THEREFOR APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USINGWAVES OTHER THAN OPTICAL WAVES APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FORPROJECTING OR VIEWING THEM 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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Beschreibung
Zusammenfassung:	PURPOSE:To obtain a silver halide photosensitive material having a wide permitted extent of underexposure and superior sharpness and not causing defective desilvering by incorporating a specified amt. of coarse silver halide particles into a red- or green-sensitive phtosensitive layer and a specified amt. of fine silver halide particles into a blue-sensitive photosensitive layer. CONSTITUTION:A photographing unit of this invention contains a silver halide photosensitive material having >=300 ISO sensitivity obtd. by forming photosensi tive layers on a substrate by 4.0-8.0 g/m (expressed in terms of silver). This photosensitive material contains =0.9mum particle size gammac(expressed in terms of one side of a cube) in the red-sensitive photosensitive layer and/or the green-sensitive photosensitive layer and