Multilayer optical disc and method and apparatus for making...

Details Multilayer optical disc and method and apparatus for making... Multilayer optical disc and method and apparatus for making...

G - Physics

11

B

G11B 7/26 (2006.01) G11B 7/242 (2006.01) G11B 7/258 (2006.01)

Patent

CA 2626232

Multilayer Optical Disc and Method and Apparatus for making same are proposed The technology provides increasing the number of layers in reflective optical disks of any format. The technology allows producing of multilayer optical reflective discs of any format (CD, ROM, DVD ROM, Blue Ray, HD-DVD, DVD-R, DVD- RW, etc.) using existing CD/DVD production lines with reasonable upgrading.

L'invention concerne un disque optique multicouche et un procédé et un appareil de fabrication du disque. La technique de l'invention consiste à augmenter le nombre de couches dans des disques optiques réfléchissants de format quelconque. Cette technique permet de produire des disques optiques réfléchissants multicouches de format quelconque (CD, ROM, DVD ROM, Blue Ray, HD-DVD, DVD-R, DVD-RW, etc.) sur des chaînes de production de CD/DVD existantes auxquelles on apportera une amélioration raisonnable.

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