Radiation imagery chemistry: process – composition – or product th – Color imaging process – Laser or radiation exposure other than visible light
Reexamination Certificate
2007-01-17
2009-10-06
Visconti, Geraldina (Department: 1795)
Radiation imagery chemistry: process, composition, or product th
Color imaging process
Laser or radiation exposure other than visible light
C430S390000, C430S494000, C430S567000, C430S570000, C430S573000
Reexamination Certificate
active
07598025
ABSTRACT:
The present invention is characterized to provide a hologram silver halide photographic material having high sensitivity and diffraction efficiency, providing an excellent image and having less color residue and noise in a transparent part, a hologram, a method for producing the same.In the present invention, a hologram silver halide photographic material having at least one silver halide emulsion layer formed on a support, wherein an average particle diameter of silver halide particles in a silver halide emulsion is 0.03 μm to 0.07 μm; a film thickness of the silver halide emulsion layer is 4 μm to 9 μm; a silver/gelatin ratio of the silver halide emulsion layer is 0.3 to 0.6; and the silver halide emulsion layer contains sensitizing dye of specific structure.
REFERENCES:
patent: 3695879 (1972-10-01), Laming et al.
patent: 4720441 (1988-01-01), Clark et al.
patent: 5264338 (1993-11-01), Urabe et al.
Journal of the Society of Photographic Science and Technology of Japan, pp. 51-52, Dec. 1, 2005.
Iwasaki Masashi
Kubota Toshihiro
Kumasawa Tomoko
Michiue Kenji
Moriya Tomonobu
Dia Nippon Printing Co., Ltd.
Konica Minolta Opto Inc.
Roylance Abrams Berdo & Goodman L.L.P.
Visconti Geraldina
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