Optical recording medium

Details Optical recording medium Optical recording medium

B - Operations, Transporting

41

M

B41M 5/26 (2006.01) G11B 7/004 (2006.01) G11B 7/135 (2006.01) G11B 7/24 (2006.01)

Patent

CA 2459838

An optical recording medium comprising substrate (11) having indented configuration for demarcating track zones provided on a surface thereof, the indented configuration provided surface sequentially overlaid with optical recording layer (12) comprising a compound of at least tin (Sn), nitrogen (N) and oxygen (O) and light transmission layer (13). The compound composition SnxNyOz of tin (Sn), nitrogen (N) and oxygen (O) constituting the optical recording layer (12) satisfies the relationships: 30 < x < 70 (atomic %), 1 < y < 20 (atomic %) and 20 < z < 60 (atomic %). This enables improving the jitter at the use of Sn as recording material.

L'invention concerne un support d'enregistrement optique comprenant un substrat (11) à configuration dentée afin de démarquer des zones de piste ménagées sur une surface de celui-ci, la surface à configuration dentée étant revêtue de façon séquentielle d'une couche d'enregistrement optique (12) contenant au moins un composé d'étain (Sn), d'azote (N) et d'oxygène (O) et une couche d'émission de lumière (13). La composition de composés Sn¿x?N¿y?O¿z? d'étain (Sn), d'azote (N) et d'oxygène (O) qui constitue la couche d'enregistrement optique (12) satisfait la relation: 30 < x < 70 (en pourcentage atomique), 1 < y < 20 (en pourcentage atomique) et 20 < z < 60 (en pourcentage atomique). Ceci permet d'améliorer la gigue lorsque Sn est utilisé en tant que matériau d'enregistrement.

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