Silver halide photosensitive material and image-forming...

Details Silver halide photosensitive material and image-forming... Silver halide photosensitive material and image-forming...

2005-05-10

2005-05-10

Chea, Thorl (Department: 1752)

Radiation imagery chemistry: process, composition, or product th

Thermographic process

Heat applied after imaging

C430S503000, C430S506000, C430S505000, C430S543000, C430S567000, C430S571000, C430S600000, C430S611000, C430S619000, C430S620000

Reexamination Certificate

active

06890705

ABSTRACT:
The second silver halide photosensitive material comprises a substrate and at least one photosensitive silver halide emulsion layer formed thereon, the silver halide photosensitive material comprising at least two types of silver halide grains with different projected areas having photosensitivity in the same spectral range; silver halide grains having a larger projected area having a refractive index n1 and an average thickness a, and silver halide grains having a smaller projected area having a refractive index n2 and an average thickness b; and the silver halide grains satisfying the conditions defined by the following equation (1):in-line-formulae description="In-line Formulae" end="lead"?n2≦n1, anda≦b×(n2
1)  (1).in-line-formulae description="In-line Formulae" end="tail"?

REFERENCES:
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patent: 5840475 (1998-11-01), Levy et al.
patent: 5958668 (1999-09-01), Matsumoto et al.
patent: 6280913 (2001-08-01), Irving et al.
patent: 6500590 (2002-12-01), Irving et al.
patent: 1113316 (2001-04-01), None

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