Optical recording materials, method for preparing the same and o

Details Optical recording materials, method for preparing the same and o Optical recording materials, method for preparing the same and o

1994-01-31

1996-11-26

Angebranndt, Martin J.

Radiation imagery chemistry: process, composition, or product th

Imaging affecting physical property of radiation sensitive...

Radiation sensitive composition or product or process of making

430945, 430964, 430247, 430248, 430417, 283 74, 283 77, 283 85, 3461351, G03C 828, G11B 724

Patent

active

055784151

ABSTRACT:
An optical recording material comprising: a thin film or membrane of a hydrophobic binding agent; and metallic particles having a diameter of 0.003 .mu.m to 3 .mu.m dispersed in said film or membrane wherein the density of said metallic particles is higher near at least one surface of said film or membrane as compared with another portion of said film or membrane, each metallic particle having a nucleus and an outer coating, said outer coating consisting of at least one metal having a melting point of 250.degree. C. to 1800.degree. C. and a thermal conductivity at 0.degree. C. of 5 W.multidot.m.sup.-1 .multidot.K.sup.-1 to 450 W.multidot.m.sup.-1 .multidot.K.sup.-1 wherein the reflectivity of the surface of said film or membrane where the density of said metallic particle is higher is 10 to 90%., a method for preparing the optical recording material and an optical card containing the optical recording material.

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