Phase contrast variation of a photo-induced refractive material

Details Phase contrast variation of a photo-induced refractive material Phase contrast variation of a photo-induced refractive material

G - Physics

11

B

G11B 7/00 (2006.01) G03F 7/00 (2006.01) G03F 7/075 (2006.01) G03H 1/02 (2006.01) G11B 7/0065 (2006.01) G11B 7/24 (2006.01) G11B 7/244 (2006.01) G11B 7/245 (2006.01) G11B 7/25 (2006.01) G11C 13/04 (2006.01)

Patent

CA 2408244

The present invention relates to compositions useful for optically recording or storing data by stimulating a composition having a refraction modulating composition, where a stimulated region of the composition represents one kind of data and a non-stimulated region of the composition represents another kind of data. The present invention also relates to methods of optically recording data utilizing the compositions of the present invention, as well as to optical data storage devices and optical data storage elements which utilize the optical data storage compositions of the invention.

La présente invention se rapporte à des compositions utilisées pour l'enregistrement ou le stockage optique de données par stimulation d'une composition ayant une caractéristique de modulation de la réfraction et possédant une région stimulée qui représente un type de données et une région non stimulée qui représente un autre type de données. La présente invention se rapporte à des procédés d'enregistrement optique de données au moyen desdites compositions, ainsi qu'à des dispositifs de stockage optique de données et à des éléments de stockage optique de données qui utilisent les compositions décrites ci-dessus.

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