Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product – Two or more radiation-sensitive layers containing other than...
Patent
1981-12-29
1983-06-14
Brown, J. Travis
Radiation imagery chemistry: process, composition, or product th
Radiation sensitive product
Two or more radiation-sensitive layers containing other than...
430506, 430507, 430509, 430543, 430567, G03C 176
Patent
active
043884016
ABSTRACT:
A multilayer color reversal light-sensitive material is described, which can provide dye images having improved sharpness and graininess without a drop in color reproducibility, by employing a specific arrangement and construction of emulsion layers in its multi-layer structure, viz., a material comprising a support, a yellow filter layer, a group of green-sensitive emulsion layers, and a group of red-sensitive emulsion layers, wherein said emulsion layer groups are positioned nearer to the support than the yellow filter layer, each of the emulsion layer groups comprises at least two adjacent layers including a high-sensitivity silver halide emulsion layer containing silver halide grains having an average size of from 0.6.mu. to 2.0.mu. and a low-sensitivity silver halide emulsion layer containing silver halide grains having an average grain size of from 0.1.mu. to 0.5.mu., and at least one of the green-sensitive low-sensitivity emulsion layer or the red-sensitive low-sensitivity emulsion layer is positioned farther from the support than the high-sensitivity emulsion layer of the corresponding emulsion layer group.
REFERENCES:
patent: 2231684 (1941-02-01), Schinzel
patent: 2376217 (1945-05-01), Wilder
patent: 3620746 (1971-11-01), Barr
patent: 3728121 (1973-04-01), Zorn et al.
patent: 3843369 (1974-10-01), Kumai et al.
Hasebe Kazunori
Minagawa Yoshisato
Brown J. Travis
Fuji Photo Film Co. , Ltd.
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