Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
April 15, 2008
Patent Application Number
10976367
Date Filed
October 29, 2004
Patent Primary Examiner
Patent abstract
A phase-change optical recording medium has a first information layer including a phase-change optical recording film arranged in a position close to the light incident side, a second information layer including another phase-change optical recording film arranged in a position remote from the light incident side and an interlayer separating film arranged between the first information layer and the second information layer, in which at least one of the first information layer and the second information layer includes a noise reduction film in contact with the interlayer separating film. The noise reduction film is formed of SiOx (1≦x≦2) or SiOC.
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