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    Magnetic disk unit
    4.
    发明公开
    Magnetic disk unit 审中-公开
    磁盘装置

    公开(公告)号：EP1434221A3

    公开(公告)日：2004-12-01

    申请号：EP04001599.2

    申请日：1999-02-12

    申请人： Hitachi Global Storage Technologies Japan, Ltd.

    发明人： Tokuyama, Mikio ,  Shimizu, Hayato ,  Imai, Satomitsu ,  Saegusa, Shozo ,  Sega, Masahiko ,  Okazaki, Toshihisa ,  Yamaguchi, Yuzo

    IPC分类号： G11B25/04

    CPC分类号： G11B33/148 ,  G11B25/043 ,  G11B33/08

    摘要： A magnetic disc unit which can restrain occurrence of flutter so as to countermeasure such a problem that the larger the rotational speed of discs, the higher the flutter, causing heat positioning errors, in order that the high rotational speed and high positioning accuracy are consistent with each other. Discs (1) are surrounded along their outer peripheries by a shroud (outer wall) (20) while a gap between end faces of the discs (1) and the shroud (20) is decreased to a predetermined distance, thereby to eliminate air pressure differential between opposite surfaces of each of the discs in order to reduce flutter.

    摘要翻译： 本发明提供一种能够抑制颤动的发生的磁盘装置，从而能够应对盘的旋转速度越大，颤动越大，产生热位置误差等高旋转速度和高定位精度的问题 彼此。 在圆盘（1）和护罩（20）的端面之间的间隙减小到预定距离的同时，圆盘（1）通过护罩（外壁）（20）沿着它们的外周围绕，从而消除空气压力 差异在每个圆盘的相反的表面之间为了减少颤动。

    Magnetic disk unit
    5.
    发明公开
    Magnetic disk unit 审中-公开
    Magnetplattenlaufwerk

    公开(公告)号：EP1434221A2

    公开(公告)日：2004-06-30

    申请号：EP04001599.2

    申请日：1999-02-12

    申请人： Hitachi Global Storage Technologies Japan, Ltd.

    发明人： Tokuyama, Mikio ,  Shimizu, Hayato ,  Imai, Satomitsu ,  Saegusa, Shozo ,  Sega, Masahiko ,  Okazaki, Toshihisa ,  Yamaguchi, Yuzo

    IPC分类号： G11B25/04

    CPC分类号： G11B33/148 ,  G11B25/043 ,  G11B33/08

    摘要： A magnetic disc unit which can restrain occurrence of flutter so as to countermeasure such a problem that the larger the rotational speed of discs, the higher the flutter, causing heat positioning errors, in order that the high rotational speed and high positioning accuracy are consistent with each other. Discs (1) are surrounded along their outer peripheries by a shroud (outer wall) (20) while a gap between end faces of the discs (1) and the shroud (20) is decreased to a predetermined distance, thereby to eliminate air pressure differential between opposite surfaces of each of the discs in order to reduce flutter.

    摘要翻译： 一种可以抑制振动发生的磁盘单元，以便对抗盘旋转速度越大，颤动越大，导致热定位误差的问题，以使得高转速和高定位精度与 彼此。 盘（1）通过护罩（外壁）（20）沿其外周围绕，同时盘（1）的端面和护罩（20）的间隙减小到预定距离，从而消除空气压力 每个光盘的相对表面之间的差异是为了减少颤动。