High chloride (100) tabular grain emulsions with modified edge s

Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product – Silver compound sensitizer containing

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430569, G03C 1035

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active

055589820

ABSTRACT:
Photographic emulsions are disclosed in which at least 50 percent of total grain projected area is accounted for by high (>90%) chloride thin (<0.2 .mu.m) high average aspect ratio (>8) tabular grains having {100} major faces each having at least one edge face oriented in an atomic plane differing from that of major faces to improve photographic performance.

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K. Endo & M. Okaji, "An Empirical Rule to Modify the Crystal Habit of Silver Chloride to Form Tabular Grains in an Emulsion", J. Photographic Science, 1988, vol. 36 (1988), pp. 182-189.

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