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21.发明申请公开(公告)号：US20090257148A1
公开(公告)日：2009-10-15
申请号：US12337206
申请日：2008-12-17
申请人： Nobutaka Ihara , Hiroto Takeshita
发明人： Nobutaka Ihara , Hiroto Takeshita
IPC分类号： G11B5/82
摘要： There is provided a magnetic recording medium which contains a substrate in the shape of a disk, and a plural of recording bit formed on the substrate, wherein a bottom face of the recording bit is disposed so as to face the substrate, a top face of the recording bit is disposed so as to correspond to the bottom face of the recording bit, and Twb is larger than Twt, where Twb indicates a width of the bottom face with respect to a radius direction of the magnetic recording medium, and Twt indicates a width of the top face with respect to the radius direction.
摘要翻译： 提供了一种磁记录介质，其包含盘形状的基板和形成在基板上的多个记录钻头，其中记录钻头的底面以与基板相对的方式设置， 记录位被配置为与记录位的底面相对应，并且Twb大于Twt，其中Twb表示底面相对于磁记录介质的半径方向的宽度，Twt表示 顶面相对于半径方向的宽度。
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公开(公告)号：US06677023B2
公开(公告)日：2004-01-13
申请号：US09812673
申请日：2001-03-20
申请人： Hiroto Takeshita , Hitoshi Komoriya
发明人： Hiroto Takeshita , Hitoshi Komoriya
IPC分类号： G11B566
CPC分类号： B82Y10/00 , G11B5/59633 , G11B5/74 , G11B5/743 , G11B5/82 , G11B5/84 , G11B5/855 , Y10S428/90 , Y10T428/12757
摘要： A non-magnetic substrate for a magnetic recording medium is formed or molded within a die. The die is designed to define embedment depressions on the surface of the resulting non-magnetic substrate. Any bumps or lugs formed on the inner surface of the die can be employed to form the embedment depressions on the non-magnetic substrate. A magnetic material fills the individual embedment depression so as to establish a magnetic block embedded into the surface of the non-magnetic substrate. The magnetic block can be utilized as a positional mark in a tracking servo control for a corresponding read/write head in a magnetic storage system.
摘要翻译： 用于磁记录介质的非磁性基板在模具内形成或模制。 模具被设计成在所得非磁性基板的表面上限定嵌入凹陷。 可以使用形成在模具内表面上的任何凸起或凸耳，以在非磁性基底上形成嵌入凹陷。 磁性材料填充单个嵌入凹陷，以便建立嵌入非磁性基底表面的磁性块。 磁性块可以用作磁存储系统中对应的读/写头的跟踪伺服控制中的位置标记。
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