PHOTOGRAPHIC EMULSIONS AND MATERIALS WITH REDUCED PRESSURE SENSITIVITY

Disclosed are novel radiation-sensitive negative-working surface-sensitive emulsions and materials exhibiting reduced pressure sensitivity. One aspect of the present invention is directed to silver halide crystals with low propensity towards black and preferably also towards white pressure sensitiza...

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Bibliographische Detailangaben
Hauptverfasser:	LEVIT, ALBERT, B, KLINGER, GUENTHER, H, HALLENBECK, LAWRENCE, E, MACGREGOR, PAUL, T
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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Beschreibung
Zusammenfassung:	Disclosed are novel radiation-sensitive negative-working surface-sensitive emulsions and materials exhibiting reduced pressure sensitivity. One aspect of the present invention is directed to silver halide crystals with low propensity towards black and preferably also towards white pressure sensitization. Other aspects of the invention are directed to photographic emulsions containing the foregoing crystals and to photographic materials containing such emulsions. On décrit de nouveaux matériaux et émulsions sensibles à la surface de travail en négatif, et sensibles au rayonnement qui se caractérisent par une sensibilité réduite à la pression. Un aspect dela présente invention concerne des cristaux d'halogènure d'argent à faible propension au noir et de préférence également une sensibilisation à la pression au blanc. D'autres aspects de l'invention concernent des émulsions photographiques contenant les cristaux précités et des matériaux photographiques précités et des matériaux photographiques contenant ces émulsions.