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    Discrete track media and method of manufacturing the same
    3.
    发明申请
    Discrete track media and method of manufacturing the same 审中-公开
    离散轨道介质及其制造方法

    公开(公告)号：US20060222897A1

    公开(公告)日：2006-10-05

    申请号：US11371901

    申请日：2006-03-10

    申请人： Yoshiyuki Kamata ,  Masatoshi Sakurai ,  Shinobu Sugimura ,  Satoshi Shirotori

    发明人： Yoshiyuki Kamata ,  Masatoshi Sakurai ,  Shinobu Sugimura ,  Satoshi Shirotori

    IPC分类号： G11B5/64

    CPC分类号： G11B5/82 ,  B82Y10/00 ,  G11B5/59655 ,  G11B5/743 ,  G11B5/855 ,  G11B5/865

    摘要： A discrete track media has a nonmagnetic substrate, and a magnetic recording layer provided on the nonmagnetic substrate and having a data region including a recording track and a servo region including a preamble zone, an address zone and a burst zone, the data region and the servo region include patterns of a ferromagnetic layer forming protrusions and a nonmagnetic material filled into recesses between the patterns of the ferromagnetic layer, in which a height of the nonmagnetic material filled into the recesses in the data region is lower than that in the burst zone.

    摘要翻译： 离散轨道介质具有非磁性衬底和设置在非磁性衬底上并且具有包括记录轨道和包括前导码区域，地址区域和突发区域的伺服区域的数据区域的磁记录层，该数据区域和 伺服区域包括形成凸起的铁磁层的图案和填充到铁磁层的图案之间的凹部中的非磁性材料，其中填充到数据区域中的凹部中的非磁性材料的高度低于爆破区域中的凹部的高度。

    Stamper and method of manufacturing the same
    4.
    发明授权
    Stamper and method of manufacturing the same 失效
    压模及其制造方法

    公开(公告)号：US08778162B2

    公开(公告)日：2014-07-15

    申请号：US13077537

    申请日：2011-03-31

    申请人： Masatoshi Sakurai ,  Takuya Shimada ,  Shinobu Sugimura ,  Satoshi Shirotori

    发明人： Masatoshi Sakurai ,  Takuya Shimada ,  Shinobu Sugimura ,  Satoshi Shirotori

    IPC分类号： C25D1/00 ,  C25D1/20

    CPC分类号： G11B5/82 ,  B82Y10/00 ,  G11B5/743 ,  G11B5/855 ,  G11B5/858

    摘要： According to one embodiment, a stamper manufacturing method comprises electroless plating by using a master includes a substrate, a conductive underlayer formed on the substrate and having catalytic activity, projecting patterns having no catalytic activity and partially formed on a surface of the conductive underlayer having catalytic activity, and regions in which the conductive underlayer having catalytic activity is exposed between the projecting patterns to deposit selectively an amorphous conductive layer between the projecting patterns and in the regions in which the conductive underlayer is exposed, and forming stamper projections, electroplating on the stamper projections includes the projecting patterns and the amorphous conductive layer by using the amorphous conductive layer and the conductive underlayer as electrodes to form a stamper main body made of a crystalline metal, and releasing a stamper includes the stamper projections and the stamper main body from the master.

    摘要翻译： 根据一个实施例，压模制造方法包括使用主体的无电镀，其包括基板，形成在基板上的具有催化活性的导电底层，具有催化活性的突出图案，并部分地形成在具有催化作用的导电底层的表面上 活性以及其中具有催化活性的导电底层在突出图案之间暴露的区域，以选择性地沉积在突出图案之间的非晶导体层和导电底层暴露的区域中，并且形成压模突起，在压模上电镀 突起包括通过使用非晶导体层和导电底层作为电极形成由结晶金属制成的压模主体的突出图案和非晶导体层，并且释放压模包括压模主体和压模主体 。

    Magnetic recording apparatus
    7.
    发明申请
    Magnetic recording apparatus 有权
    磁记录装置

    公开(公告)号：US20060172155A1

    公开(公告)日：2006-08-03

    申请号：US11341849

    申请日：2006-01-30

    申请人： Takeshi Okino ,  Seiji Morita ,  Yoshiyuki Kamata ,  Satoshi Shirotori ,  Masatoshi Sakurai ,  Hiroaki Nakamura

    发明人： Takeshi Okino ,  Seiji Morita ,  Yoshiyuki Kamata ,  Satoshi Shirotori ,  Masatoshi Sakurai ,  Hiroaki Nakamura

    IPC分类号： G11B5/65

    CPC分类号： G11B5/855

    摘要： A magnetic recording apparatus has a magnetic recording media including a substrate and a magnetic layer containing magnetic patterns on the substrate, the magnetic layer including data zones to constitute recoding tracks and servo zones, the magnetic patterns of the servo zones being used as address bits, and a magnetic head configured to read signals from the magnetic recording media while flying over the magnetic recording media, in which, in a case where two magnetic patterns used as address bits on the servo zones corresponding to two adjacent recording tracks are arranged in such a manner that one corner of one magnetic pattern is closest to one corner of the other magnetic pattern, the corners of the two magnetic patterns are substantially separated from each other.

    摘要翻译： 磁记录装置具有包括基板和在基板上包含磁图案的磁性层的磁记录介质，磁层包括构成记录轨道和伺服区的数据区，伺服区的磁图用作地址位， 以及磁头，被配置为在磁记录介质上飞行时从磁记录介质读取信号，其中在用于作为与两个相邻记录轨道对应的伺服区上的地址位的两个磁图案布置在这样的 一个磁性图案的一个角最靠近另一个磁性图案的一个角的方式，两个磁性图案的角部基本上彼此分离。

    Magnetic recording apparatus
    8.
    发明授权
    Magnetic recording apparatus 有权
    磁记录装置

    公开(公告)号：US08097351B2

    公开(公告)日：2012-01-17

    申请号：US11341849

    申请日：2006-01-30

    申请人： Takeshi Okino ,  Seiji Morita ,  Yoshiyuki Kamata ,  Satoshi Shirotori ,  Masatoshi Sakurai ,  Hiroaki Nakamura

    发明人： Takeshi Okino ,  Seiji Morita ,  Yoshiyuki Kamata ,  Satoshi Shirotori ,  Masatoshi Sakurai ,  Hiroaki Nakamura

    IPC分类号： G11B5/66

    CPC分类号： G11B5/855

    摘要： A magnetic recording apparatus has a magnetic recording media including a substrate and a magnetic layer containing magnetic patterns on the substrate, the magnetic layer including data zones to constitute recoding tracks and servo zones, the magnetic patterns of the servo zones being used as address bits, and a magnetic head configured to read signals from the magnetic recording media while flying over the magnetic recording media, in which, in a case where two magnetic patterns used as address bits on the servo zones corresponding to two adjacent recording tracks are arranged in such a manner that one corner of one magnetic pattern is closest to one corner of the other magnetic pattern, the corners of the two magnetic patterns are substantially separated from each other.

    摘要翻译： 磁记录装置具有包括基板和在基板上包含磁图案的磁性层的磁记录介质，磁层包括构成记录轨道和伺服区的数据区，伺服区的磁图用作地址位， 以及磁头，被配置为在磁记录介质上飞行时从磁记录介质读取信号，其中在用于作为与两个相邻记录轨道对应的伺服区上的地址位的两个磁图案布置在这样的 一个磁性图案的一个角最靠近另一个磁性图案的一个角的方式，两个磁性图案的角部基本上彼此分离。