Optical disk

Details Optical disk Optical disk

G - Physics

11

B

G11B 7/09 (2006.01) G11B 7/24 (2006.01) G11B 7/26 (2006.01) G11B 23/00 (2006.01)

Patent

CA 2483731

Disclosed is an optical disk. The present invention includes a plate having a first area enabling to record information thereon and a second area unable to record the information thereon and a projection on the second area of the plate. Accordingly, the present invention enables to form a protecting layer having a uniform thickness thereon.

L'invention concerne un disque optique qui comporte une première zone, sur laquelle des informations peuvent être enregistrées, et une seconde zone, sur laquelle les informations ne peuvent pas être enregistrées, ladite seconde zone présentant une saillie. Selon l'invention, il est possible de former sur ce disque optique une couche protectrice d'une épaisseur uniforme.

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