G - Physics – 03 – H
Patent
G - Physics
03
H
G03H 1/20 (2006.01) C03C 3/095 (2006.01) C03C 3/16 (2006.01) C03C 4/00 (2006.01) C03C 4/04 (2006.01) C03C 4/12 (2006.01) C03C 10/16 (2006.01) G11B 7/00 (2006.01) G11B 7/28 (2006.01) G11B 7/0065 (2006.01) G11B 7/24 (2006.01)
Patent
CA 2310059
This invention relates to a holographic process for duplicating optical media. The duplication process according to the present invention uses fluorescence holography and holographic materials such as fluorescent photosensitive vitroceramics. During the duplication, a memory template (12) is first created containing an interference pattern representing an original memory (9) to be duplicated. Second, the memory template is used to recreate a hologram (13) representing a copy of the original memory. The invention provides a procedure for the large scale reproduction of optical media.
L'invention concerne un procédé holographique de duplication de supports optiques, dans lequel on utilise une holographie de fluorescence ainsi que des matières holographiques, telles que des vitrocéramiques photosensibles fluorescentes. Lors de la duplication, on crée d'abord un gabarit (12) de mémoire, lequel contient un motif d'interférences représentant une mémoire (9) originale à dupliquer, puis on utilise ce gabarit de mémoire pour recréer un hologramme (13) représentant une copie de la mémoire originale. L'invention concerne un procédé de reproduction à grande échelle de supports optiques.
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
Pavel Eugen
LandOfFree
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