Method and materials for improving the color balance of photogra

Details Method and materials for improving the color balance of photogra Method and materials for improving the color balance of photogra

1983-05-17

1984-07-03

Schilling, Richard L.

Radiation imagery chemistry: process, composition, or product th

Transfer procedure between image and image layer, image...

Diffusion transfer process, element, or identified image...

430 7, 430220, 430359, 430379, 430383, 430391, 355 35, 355 88, G03C 700, G03C 704, G03B 2772

Patent

active

044580029

ABSTRACT:
A process for the production of a multicolor reversal image with improved color balance is provided which process comprises the steps of directing incident image light dot- or linewise modulated by a light-distributing means onto a multicolor photographic silver halide emulsion material containing a blue-, a green- and a red-sensitive silver halide emulsion layer and processing said silver halide emulsion layers to form a color reversal image.
In the maximum density part of the dots or lines of said light distributing means e.g. a contact screen the ratio of the absorption density for the light corresponding with the spectral sensitivity region of the silver halide emulsion layer being during the exposure most remote from the light-distributing means to the absorption density for the light of the whole visible spectrum (400-700 nm) is higher than the said ratio in any other density part of the dots or lines (see FIG. 1).

REFERENCES:
patent: 2252006 (1941-08-01), Holst et al.
patent: 4272186 (1981-06-01), Plummer
"Optical Method for Curve Shape Control", Gilmour, Research Disclosure No. 17533, 11/1978, p. 17.
"Contrast Control . . . ", Meyerhoefer et al., Research Disclosure No. 18276, 6/1979, pp. 332 & 333.

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