Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product – Two or more radiation-sensitive layers containing other than...
Patent
1995-05-31
1996-07-23
Letscher, Geraldine
Radiation imagery chemistry: process, composition, or product th
Radiation sensitive product
Two or more radiation-sensitive layers containing other than...
430567, 430604, 430605, 430503, G03C 146
Patent
active
055388396
ABSTRACT:
A silver halide photographic material comprising a support having coated thereon at least one blue-sensitive layer containing a yellow coupler, at least one green-sensitive layer containing a magenta coupler and at least one red-sensitive layer containing a cyan coupler, wherein on each of the characteristic curves of yellow, magenta and cyan of the silver halide photographic material, 1) the maximum density is not less than 3.0 and the density obtained by subtracting the density of the support from the minimum density is not more than 0.1, 2) the average value of point gamma at various points in the exposure region corresponding to a density value of from not less than 0.5 to less than 1.5 is from not less than 0.85 to not more than 1.15 and the fluctuation width thereof is within .+-.15% of the average value of point gamma in the exposure region, and 3) the average value of point gamma at various points in the exposure region corresponding to a density value of from not less than 1.5 to that 0.3 less than the maximum density is from not less than 1.0 to not more than 1.6 and the fluctuation width thereof is within .+-.15% of the average value of point gamma in the exposure region. The silver halide color photographic material exhibits an excellent tone and color reproducibility with respect to an original.
REFERENCES:
patent: 4301242 (1991-11-01), Patzold et al.
patent: 4670375 (1987-06-01), Michiue et al.
patent: 4792518 (1988-12-01), Kuwashima et al.
patent: 5037733 (1991-08-01), Goda
patent: 5156946 (1992-10-01), Nagaoka et al.
patent: 5278041 (1994-01-01), Murakami et al.
Abe Ryuji
Bando Shinsuke
Fuji Photo Film Co. , Ltd.
Letscher Geraldine
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