Optical recording medium, and, method for manufacturing the same, and method and apparatus for optical recording and reproducing thereof
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United States of America Patent
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Aug 3, 2010
Grant Date -
Nov 17, 2005
app pub date -
Apr 25, 2005
filing date -
Apr 28, 2004
priority date (Note) -
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Abstract
The object of the present invention is to provide an optical recording medium which comprises a substrate, and a first information layer and a second information layer disposed on the substrate, and an intermediate layer disposed between the first information layer and the second information layer, wherein any one of recording and reproducing is performed in the first information layer and the second information layer by irradiating a laser beam from the first information layer side, the second information layer comprises a protective layer, a second dye layer which comprises an organic dye, an oxidized layer, and a reflective layer in this order from the laser beam irradiation side, and the oxidized layer comprises an oxide which is a material constituting the reflective layer.
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