Silver halide photographic emulsion and silver halide...

Details Silver halide photographic emulsion and silver halide... Silver halide photographic emulsion and silver halide...

2008-05-13

2008-05-13

Walke, Amanda C. (Department: 1752)

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Silver compound sensitizer containing

C430S569000

Reexamination Certificate

active

07371512

ABSTRACT:
A silver halide photographic emulsion comprising grains is characterized that 70% or more of the total projected area of the grains are occupied by tabular grains meeting requirements (i) to (v) below:(i) silver bromochloroiodide grains having (111) faces as major surfaces,(ii) hexagonal grains having a ratio of the length of an edge having the maximum length to the length of an edge having the minimum length of not more than 2,(iii) perfect epitaxial grains having a total of six epitaxial junctions each existing only in each of six apex portions of the hexagonal grains,(iv) the silver chloride content is 1 to 6 mol %, and(v) the silver iodide content is 0.5 to 10 mol %.

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