Optical recording media

Details Optical recording media Optical recording media

B - Operations, Transporting

41

M

B41M 5/26 (2006.01) G11B 7/00 (2006.01) G11B 7/247 (2006.01)

Patent

CA 2287346

Optical recording media comprising a base (1), a recording layer (2) formed thereon, and a reflecting layer (3) formed on the layer (2), wherein the recording layer (2) contains at least one kind of specified dyes selected from among polymethine dyes having 1 to 4 carbon atoms in the main methine chain to secure a sufficient recording sensitivity to a light in the red wavelength region.

La présente invention concerne des supports d'enregistrement optique comprenant un support (1), une couche d'enregistrement (2) formée sur celui-ci, et une couche réfléchissante (3) formée sur la couche d'enregistrement (2), cette couche d'enregistrement (2) contenant au moins un type de colorants déterminés choisis parmi des colorants polyméthiniques renfermant 1 à 4 atomes de carbone dans la chaîne méthine principale afin d'assurer une sensibilité d'enregistrement suffisante pour une lumière située dans la zone de longueur d'onde rouge.

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