Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
March 18, 2008
Patent Application Number
11145824
Date Filed
June 6, 2005
Patent Primary Examiner
Patent 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.
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