Split disc optical storage medium and device

G - Physics – 11 – B

Patent

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Details

G11B 7/24 (2006.01)

Patent

CA 2562878

Optical data storage medium comprising a first disc (11) and a second disc (12) both having an access surface (16) and a storage layer covered by the access surface, wherein the storage layer is adapted to be accessed by a laser beam via the access surface, characterized in that the first disc and the second disc are adapted to be attached to each other in such a way, that the access surface of the first disc covers the access surface of the second disc. Further a device for reproducing information from or recording information into at least one storage layer of such an optical data storage medium.

La présente invention concerne un support d'enregistrement de données optique comprenant un premier disque (11) et un second disque (12) qui présentent, tous deux, une surface d'accès (16) et une couche de stockage recouverte par la surface d'accès. La couche de stockage est conçue pour être accessible à un faisceau laser à travers la surface d'accès. Le support d'enregistrement de données optique décrit dans cette invention se caractérise par le premier disque et le second disque qui sont conçus pour être reliés l'un à l'autre de telle sorte que la surface d'accès du premier disque recouvre la surface d'accès du second disque. En outre, cette invention concerne un dispositif permettant de reproduire des informations ou d'enregistrer des informations à partir/depuis au moins une couche de stockage d'un tel support d'enregistrement de données optique.

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