Invention Grant
US08110273B2 Optical information recording medium, recording/reproducing method thereof and recording/reproducing apparatus 有权
光信息记录介质,其记录/再现方法和记录/再现装置

Optical information recording medium, recording/reproducing method thereof and recording/reproducing apparatus
Abstract:
An optical information recording medium, recording/reproducing method thereof, and recording/reproducing apparatus with superior signal quality for high-density recording that has high storage reliability is provided. The optical information recording medium has at least one information layer having a recording layer and a dielectric layer in order on a transparent substrate. The dielectric layer is comprised of greater than or equal to 50 molecule percent and less than or equal to 98 molecule percent of Zn—O, and greater than or equal to 2 molecule percent to less than or equal to 50 molecule percent of one or more compounds selected from the group consisting of Y—O, Ce—O, Nb—O, Ta—O, Cr—O and Mo—O.
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