Optic storage medium

Details Optic storage medium Optic storage medium

G - Physics

11

B

G11B 7/24 (2006.01) G11B 7/253 (2006.01)

Patent

CA 2305147

The invention relates to an inscribable optic storage medium comprising a protective layer, one or more inscribable layers, optionally a reflecting layer and at least one support layer. The support layer has at least one colorant with at least 70 % transmission at the laser wavelength used for writing and/or reading, and with at least 70 % absorption at all other wavelengths of visible light which are at least 100 nm shorter than the wavelength of the laser light.

L'invention concerne une mémoire optique inscriptible, comprenant une couche de protection, au moins une couche inscriptible, éventuellement une couche réfléchissante et au moins une couche support. La couche support comprend au moins un colorant qui présente une transmission d'au moins 70 % à la longueur d'onde du laser, utilisée pour l'écriture et/ou la lecture, et qui présente une absorption d'au moins 70 % à toutes les autres longueurs d'onde de la lumière visible inférieures d'au moins 100 nm à la longueur d'onde de la lumière laser.

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