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    • 100. 发明授权
    • Magnetic recording medium, magnetic recording playback device, and information processing device
    • 磁记录介质,磁记录重放装置和信息处理装置
    • US07167342B2
    • 2007-01-23
    • US10813004
    • 2004-03-31
    • Nobuhiro YasuiTohru Den
    • Nobuhiro YasuiTohru Den
    • G11B5/82G11B5/66
    • G11B5/65G11B5/012G11B5/64
    • A magnetic recording medium is provided while including a recording layer in which magnetic materials are in the shape of a circular cylinder and uniformity and size reduction are achieved simultaneously. The magnetic recording medium includes a recording layer and an electrode layer disposed on a substrate, wherein the recording layer and the electrode layer are disposed in the same plane. The above-described electrode layer is disposed adjacently to the end portion of the plane in which the recording layer on the substrate is disposed. A matrix surrounding magnetic material portions of the above-described recording layer contains alumina as a constituent provided by anodization of aluminum. Alternatively, the matrix surrounding the magnetic material portions of the above-described recording layer contains at least one of Si and Ge or an oxide thereof as a constituent.
    • 提供磁记录介质,同时包括其中磁性材料为圆柱形形状的记录层,同时实现均匀性和尺寸减小。 磁记录介质包括记录层和设置在基板上的电极层,其中记录层和电极层设置在同一平面内。 上述电极层设置在与设置有基板上的记录层的平面的端部相邻的位置。 围绕上述记录层的磁性材料部分的基体包含氧化铝作为通过阳极氧化提供的组分。 或者,围绕上述记录层的磁性材料部分的基质包含Si和Ge中的至少一种或其氧化物作为组分。