SILVER HALIDE RADIOGRAPHIC FILM

PROBLEM TO BE SOLVED: To provide a high performance radiographic film which exhibits visually adaptive contrast when imaged in a radiographic imaging assembly combined with an intensifying screen. SOLUTION: The radiographic film has two or more silver halide tabular grain emulsions on each face of a...

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Bibliographische Detailangaben
Hauptverfasser:	DICKERSON ROBERT E, BUNCH PHILLIP C
Format:	Patent
Sprache:	eng
Schlagworte:	AUXILIARY PROCESSES IN PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HOLOGRAPHY PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR,STEREO-PHOTOGRAPHIC PROCESSES PHOTOGRAPHY PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES PHYSICS TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ARTCOLLECTIONS [XRACs] AND DIGESTS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a high performance radiographic film which exhibits visually adaptive contrast when imaged in a radiographic imaging assembly combined with an intensifying screen. SOLUTION: The radiographic film has two or more silver halide tabular grain emulsions on each face of a film support, and the emulsion closest to the film support on each face contains a material for suppressing crossover and a rhodium dopant and has photographic sensitivity of higher than that of the other emulsion. The film is rapidly processed to provide an image having visually adaptive contrast wherein upper scale contrast is >=1.7 times the lower scale contrast. The film is useful particularly to form an image for orthopedic surgery.