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    • 51. 发明授权
    • Disc cartridge, optical disk device, and method for information recording and reproducing
    • 光盘盒,光盘装置以及用于信息记录和再现的方法
    • US06871354B2
    • 2005-03-22
    • US10277792
    • 2002-10-22
    • Hideharu TajimaNobuyuki Takamori
    • Hideharu TajimaNobuyuki Takamori
    • G11B23/03
    • G11B23/0308
    • A disk cartridge includes a case, substantially rectangular in shape, provided with a disk-shaped rotatable recording medium therein, the case including a plurality of windows through which the recording medium is exposed and a recording or reproducing head is inserted when recording or reproducing, and shutters provided for the plurality of windows respectively, that are capable of opening and closing so as to cover the plurality of windows when recording or reproducing is not performed, a first window and a second window of the plurality of windows being formed on one surface, and a width of the first window in an opening and closing direction of the shutters being wider than that of the second window. With this arrangement, it is possible to provide a disk cartridge capable of adopting for both a driving device for a small-sized disk and a driving device for a large-sized disk.
    • 磁盘盒包括大致矩形形状的壳体,其中设置有盘状的可旋转记录介质,所述壳体包括多个窗口,通过该窗口,记录介质被曝光,并且在记录或再现时插入记录或再现头部, 以及分别为多个窗口设置的能够打开和关闭以便在不执行记录或再现时覆盖多个窗口的多个窗口的快门,多个窗口中的第一窗口和第二窗口形成在一个表面上 并且所述第一窗口在所述百叶窗的打开和关闭方向上的宽度比所述第二窗口的宽度宽。 通过这种布置,可以提供一种能够适用于小型盘的驱动装置和用于大型盘的驱动装置的盘盒。
    • 57. 发明授权
    • Optical data recording medium
    • 光学数据记录介质
    • US06697324B2
    • 2004-02-24
    • US10107973
    • 2002-03-27
    • Hideharu TajimaNobuyuki Takamori
    • Hideharu TajimaNobuyuki Takamori
    • G11B724
    • G11B7/2542G11B7/2403G11B7/24067G11B7/2533G11B7/2534G11B7/2585G11B2007/24304G11B2007/2571G11B2007/25713
    • This invention is an optical data recording medium having a substrate protective film for effectively suppressing deformation (warpage) associated with change in environmental humidity. The optical data recording medium includes a transparent substrate, a thin film layer formed on one surface of the transparent substrate, a thin film protective film formed of a resin as a main component on the thin film layer, and a substrate protective film formed of a resin as a main component on the other surface of the transparent substrate than the thin film protective film, in which the thin film layer is a single layer film or a multi-layer film including at least one of a dielectric film, a recording film and a reflective film, and the substrate protective film has a coefficient of humidity expansion that is larger than a coefficient of humidity expansion of the thin film protective film.
    • 本发明是一种具有用于有效抑制与环境湿度变化相关的变形(翘曲))的基板保护膜的光学数据记录介质。 光学数据记录介质包括透明基板,在透明基板的一个表面上形成的薄膜层,在薄膜层上由树脂作为主要成分形成的薄膜保护膜,以及由 树脂作为主要成分在透明基板的另一个表面上比薄膜保护膜,其中薄膜层是单层膜或多层膜,其包括电介质膜,记录膜和 反射膜,并且所述基板保护膜具有比所述薄膜保护膜的湿度膨胀系数大的湿度膨胀系数。