Optical recording medium and its use

Details Optical recording medium and its use Optical recording medium and its use

2005-06-06

2008-03-18

Assaf, Fayez G. (Department: 2872)

Optical: systems and elements

Holographic system or element

Hardware for producing a hologram

C359S031000, C359S003000

Reexamination Certificate

active

07345799

ABSTRACT:
An optical recording medium which comprises a holographic recording layer on which information is recorded by means of holography, a light shield member fixed to at least one of main surfaces of the holographic recording layer, a control electrode for controlling a light transmission state of the light shield member, wherein, the light shield member has a plurality of pixels obtained by dividing the light shield member on a recording unit region basis, and the light transmission state can be controlled pixel by pixel.

REFERENCES:
patent: 2004-004434 (2004-01-01), None
patent: WO 02/48801 (2002-06-01), None

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