Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product – Two or more radiation-sensitive layers containing other than...
Patent
1986-02-25
1987-07-14
Schilling, Richard L.
Radiation imagery chemistry: process, composition, or product th
Radiation sensitive product
Two or more radiation-sensitive layers containing other than...
430503, 430506, 430599, 430604, G03C 110, G03C 726, G03C 146
Patent
active
046802533
ABSTRACT:
A silver halide color photographic material which comprises a support having coated thereon at least one blue-sensitive silver halide emulsion layer, at least one green-sensitive silver halide emulsion layer and at least one red-sensitive silver halide emulsion layer, characterized in that the gradation of each of the blue-, green- and red-sensitive layers satisfies the following relation: ##EQU1## wherein .gamma..sub.B (10.sup.-4), .gamma..sub.G (10.sup.-4) and .gamma..sub.R (10.sup.-4) represent gradation of the blue-, green- and red- sensitive layers upon 1/10,000 second exposure, respectively and .gamma..sub.B (10.sup.-2), .gamma..sub.G (10.sup.-2) and .gamma..sub.R (10.sup.-2) represent those upon 1/100 second exposure, respectively, which provides a color picture having good color and tone reproduction in both regular and flash photography.
REFERENCES:
patent: 3672898 (1972-06-01), Schwan et al.
James, The Theory of the Photographic Process, 4th Ed. Macmillan Publishing Co., Inc., New York, .COPYRGT.1977, pp. 139-142.
Ikoma Hideto
Shibahara Yoshihiko
Fuji Photo Film Co. , Ltd.
Schilling Richard L.
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