Optical storage medium and method of manufacturing same

Details Optical storage medium and method of manufacturing same Optical storage medium and method of manufacturing same

G - Physics

11

B

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

Patent

CA 2458638

The invention describes an optical data storage medium comprising a substrate (2), a spacer layer (5) and a cover layer (8). The medium comprises two information layers (3, 4) and (6, 7). The invention further describes methods of manufacturing such an information medium (1), which relate to the manner in which the information layers are provided with data patterns. The invention further discloses a method wherein an UV light (10)-transparent stamper (9) is used in combination with a photopolymerization lacquer and/or pressure- sensitive adhesives.

L'invention concerne un support de données optique comprenant un substrat (2), une couche d'espacement (5) et une couche de recouvrement (8), ainsi que deux couches de données (3, 4) et (6, 7). La présente invention porte également sur des procédés pour fabriquer un support d'information (1) de ce type, lesquels concernent la manière dont les couches de données sont dotées de schémas de données. Enfin, cette invention porte aussi sur un procédé, selon lequel une matrice (9) transparente à la lumière ultraviolette (10) est utilisée en combinaison avec un vernis photopolymérisable et/ou des adhésifs autocollants.

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