Optical information storage medium

G - Physics – 11 – B

Patent

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Details

G11B 7/007 (2006.01) G11B 7/005 (2006.01)

Patent

CA 2497659

An optical information storage medium includes a lead-in area, a lead-out area, and a user data area between the lead-in and lead-out areas and in which user data is recorded. Pits are formed in the lead-in area, the user data area, and the lead-out area, and a track pitch in all or a portion of the lead- in area is different from a track pitch in the remaining area of the optical information storage medium.

La présente invention concerne un support de stockage d'informations optique comprenant une zone d'entrée, une zone de sortie et une zone de données utilisateur comprise entre la zone d'entrée et la zone de sortie et dans laquelle les données utilisateur sont enregistrées. Des alvéoles sont formées dans la zone d'entrée, la zone de données utilisateur et la zone de sortie, et un pas transversal situé dans tout ou partie de la zone d'entrée est différent de celui situé dans la zone restante du support de stockage d'informations optique.

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