Radiation imagery chemistry: process – composition – or product th – Imaging affecting physical property of radiation sensitive... – Radiation sensitive composition or product or process of making
Patent
1981-09-11
1983-08-02
Schilling, Richard L.
Radiation imagery chemistry: process, composition, or product th
Imaging affecting physical property of radiation sensitive...
Radiation sensitive composition or product or process of making
430364, 430517, 430616, 430964, 3461351, G03C 100, G03C 184, G02B 2722
Patent
active
043967019
ABSTRACT:
An underlayer for a laser recording and data storage medium with a light absorption characteristic suited to a recording laser. The underlayer is formed by creating a nuclei layer in a silver-halide photosensitive emulsion layer and then contacting the emulsion layer with a chromogenic reducing agent and a chromogenic dye coupler. The reflective layer may be formed prior to this step by subjecting the nuclei layer to a monobath having a silver-halide solvent and a silver reducing agent until a reflective surface layer of non-filamentary silver particles is formed, or after the step by chemical vapor deposition or sputtering of a reflective metal layer over the underlayer.
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Clerc, Photographic Theory and Practice, vol. 3, American Photographic Book Publishing Co., New York, 1970, p. 325.
"Infrared Dyes for Optical Storage", V. B. Jipson and C. R. Jones, J. Vac. Techn. 18(1) Jan./Feb. 1981.
Drexler Technology Corporation
Schilling Richard L.
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