High bromide tabular grain emulsions with edge placement of epit

Details High bromide tabular grain emulsions with edge placement of epit High bromide tabular grain emulsions with edge placement of epit

1999-04-13

2000-09-05

Huff, Mark F.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Silver compound sensitizer containing

430603, 430605, G03C 1035, G03C 109

Patent

active

061141054

ABSTRACT:
A high bromide {111} tabular grain emulsion is disclosed in which most of the tabular grains exhibit silver salt epitaxy at a single site. Most of the silver halide epitaxy sites contact an edge region of the tabular grains. These emulsions exhibit chemical sensitization by the epitaxy and surprising lower levels of desensitization by spectral sensitizing dyes.

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J.E. Maskasky "Epitaxial Selective Site Sensitization of Tabular Grain Emulsions" Journal of Imaging Science, vol. 32, No. 4, Jul./Aug. 1988.

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