Optical recording medium

G - Physics – 11 – B

Patent

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Details

G11B 7/24 (2006.01) G11B 7/0045 (2006.01)

Patent

CA 2526752

Disclosed is an optical recording medium comprising inorganic particles of nanometer size capable to undergo a change in size upon heating at a temperature above room temperature; and comprising a polymer in which the inorganic particles are dispersed to form a composite polymer. According to a preferred embodiment, the change in size is detectable by a change in the absorption spectrum of the composite polymer.

Support d'enregistrement optique comportant des particules inorganiques dont la taille est de l'ordre du nanomètre et est susceptible de varier lorsque lesdites particules sont chauffées à une température supérieure à la température ambiante; et comportant également un polymère dans lequel les particules inorganiques sont dispersées pour former un polymère composite. Selon un mode de réalisation préféré, la variation de la taille des particules peut être détectée par une variation du spectre d'absorption du polymère composite.

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