Iodide containing high bromide tabular grain emulsions exhibitin

Details Iodide containing high bromide tabular grain emulsions exhibitin Iodide containing high bromide tabular grain emulsions exhibitin

1996-04-29

1998-03-17

Huff, Mark F.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Silver compound sensitizer containing

G03C 1035

Patent

active

057285152

ABSTRACT:
A photographically useful high bromide tabular grain silver halide emulsion is disclosed in which iodide is incorporated in a tabular grain central region to lower contrast and in a peripheral region zone to increase photoefficiency. A further increase in photoefficiency is provided by an annular spacer region interposed between the central region and peripheral region zone having a lower iodide content than either.

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patent: 5470698 (1995-11-01), Wen
patent: 5641618 (1997-06-01), Wen et al.
patent: 5650266 (1997-07-01), Taguchi et al.
patent: 5667954 (1997-09-01), Irving et al.

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