INFORMATION TRANSFER MASTER FOR MAGNETIC TRANSFER AND MAGNETIC TRANSFER METHOD
    1.
    发明申请
    INFORMATION TRANSFER MASTER FOR MAGNETIC TRANSFER AND MAGNETIC TRANSFER METHOD 审中-公开
    用于磁传输和磁传输方法的信息传输主体

    公开(公告)号:US20080218889A1

    公开(公告)日:2008-09-11

    申请号:US12042173

    申请日:2008-03-04

    IPC分类号: G11B5/86

    CPC分类号: G11B5/865 B82Y10/00 G11B5/743

    摘要: An information transfer master has servo information pattern to be magnetically transferred to a magnetic recording medium having a lubrication layer thereon; and a contact surface to contact the magnetic recording medium has surface free energy that is 45 mN/m or less when the servo information pattern is magnetically transferred.

    摘要翻译: 信息传送主机具有磁性传递到其上具有润滑层的磁记录介质的伺服信息模式; 并且与磁记录介质接触的接触面在伺服信息图案被磁性传递时具有45mN / m以下的表面自由能。

    ECCENTRICITY CORRECTION METHOD, SIGNAL PROCESSING CIRCUIT, MAGNETIC STORAGE APPARATUS AND PERPENDICULAR MAGNETIC RECORDING MEDIUM
    3.
    发明申请
    ECCENTRICITY CORRECTION METHOD, SIGNAL PROCESSING CIRCUIT, MAGNETIC STORAGE APPARATUS AND PERPENDICULAR MAGNETIC RECORDING MEDIUM 有权
    偏差校正方法,信号处理电路,磁存储装置和全息磁记录介质

    公开(公告)号:US20100039725A1

    公开(公告)日:2010-02-18

    申请号:US12605016

    申请日:2009-10-23

    IPC分类号: G11B27/36 G11B21/02

    摘要: A magnetic storage apparatus has a reproducing head to reproduce information from a perpendicular magnetic recording medium that is recorded with servo information, eccentricity correction data and read/write data. The apparatus further has a filter part to filter a reproduced output of the reproducing head by filtering the servo information which has a differentiated waveform by a non-differentiating characteristic and by filtering the eccentricity correction data and the read/write data which have rectangular waveforms by a differentiating characteristic, a demodulating part to demodulate the servo information, the eccentricity correction data and the read/write data that are filtered by the filter part, and a servo system to carry out a control process including an eccentricity control based on the servo information and the eccentricity correction data that are demodulated.

    摘要翻译: 磁存储装置具有用于从记录有伺服信息,偏心校正数据和读/写数据的垂直磁记录介质再现信息的再现头。 该装置还具有滤波器部分,以通过对具有差分波形的非微分特性进行滤波的伺服信息,并通过滤波具有矩形波形的偏心校正数据和读/写数据来过滤再现头的再现输出 微分特性,用于解调伺服信息的解调部分,由滤波部分滤波的偏心校正数据和读/写数据;以及伺服系统,用于执行包括基于伺服信息的偏心控制的控制处理 以及被解调的偏心校正数据。

    Eccentricity correction method, signal processing circuit, magnetic storage apparatus and perpendicular magnetic recording medium
    4.
    发明授权
    Eccentricity correction method, signal processing circuit, magnetic storage apparatus and perpendicular magnetic recording medium 有权
    偏心校正方法,信号处理电路,磁存储装置和垂直磁记录介质

    公开(公告)号:US08111474B2

    公开(公告)日:2012-02-07

    申请号:US12605016

    申请日:2009-10-23

    IPC分类号: G11B5/09 G11B5/596

    摘要: A magnetic storage apparatus has a reproducing head to reproduce information from a perpendicular magnetic recording medium that is recorded with servo information, eccentricity correction data and read/write data. The apparatus further has a filter part to filter a reproduced output of the reproducing head by filtering the servo information which has a differentiated waveform by a non-differentiating characteristic and by filtering the eccentricity correction data and the read/write data which have rectangular waveforms by a differentiating characteristic, a demodulating part to demodulate the servo information, the eccentricity correction data and the read/write data that are filtered by the filter part, and a servo system to carry out a control process including an eccentricity control based on the servo information and the eccentricity correction data that are demodulated.

    摘要翻译: 磁存储装置具有用于从记录有伺服信息,偏心校正数据和读/写数据的垂直磁记录介质再现信息的再现头。 该装置还具有滤波器部分,以通过对具有差分波形的非微分特性进行滤波的伺服信息,并通过滤波具有矩形波形的偏心校正数据和读/写数据来过滤再现头的再现输出 微分特性,用于解调伺服信息的解调部分,由滤波部分滤波的偏心校正数据和读/写数据;以及伺服系统,用于执行包括基于伺服信息的偏心控制的控制处理 以及被解调的偏心校正数据。

    Eccentricity correction method, signal processing circuit, magnetic storage apparatus and perpendicular magnetic recording medium
    7.
    发明申请
    Eccentricity correction method, signal processing circuit, magnetic storage apparatus and perpendicular magnetic recording medium 失效
    偏心校正方法,信号处理电路,磁存储装置和垂直磁记录介质

    公开(公告)号:US20070223127A1

    公开(公告)日:2007-09-27

    申请号:US11474156

    申请日:2006-06-23

    IPC分类号: G11B5/09 G11B5/596

    摘要: A magnetic storage apparatus has a reproducing head to reproduce information from a perpendicular magnetic recording medium that is recorded with servo information, eccentricity correction data and read/write data. The apparatus further has a filter part to filter a reproduced output of the reproducing head by filtering the servo information which has a differentiated waveform by a non-differentiating characteristic and by filtering the eccentricity correction data and the read/write data which have rectangular waveforms by a differentiating characteristic, a demodulating part to demodulate the servo information, the eccentricity correction data and the read/write data that are filtered by the filter part, and a servo system to carry out a control process including an eccentricity control based on the servo information and the eccentricity correction data that are demodulated.

    摘要翻译: 磁存储装置具有用于从记录有伺服信息,偏心校正数据和读/写数据的垂直磁记录介质再现信息的再现头。 该装置还具有滤波器部分,以通过对具有差分波形的非微分特性进行滤波的伺服信息,并通过滤波具有矩形波形的偏心校正数据和读/写数据来过滤再现头的再现输出 微分特性,用于解调伺服信息的解调部分,由滤波部分滤波的偏心校正数据和读/写数据;以及伺服系统,用于执行包括基于伺服信息的偏心控制的控制处理 以及被解调的偏心校正数据。

    Eccentricity correction method, signal processing circuit, magnetic storage apparatus and perpendicular magnetic recording medium
    8.
    发明授权
    Eccentricity correction method, signal processing circuit, magnetic storage apparatus and perpendicular magnetic recording medium 失效
    偏心校正方法,信号处理电路,磁存储装置和垂直磁记录介质

    公开(公告)号:US07630155B2

    公开(公告)日:2009-12-08

    申请号:US11474156

    申请日:2006-06-23

    IPC分类号: G11B5/09 G11B5/596

    摘要: A magnetic storage apparatus has a reproducing head to reproduce information from a perpendicular magnetic recording medium that is recorded with servo information, eccentricity correction data and read/write data. The apparatus further has a filter part to filter a reproduced output of the reproducing head by filtering the servo information which has a differentiated waveform by a non-differentiating characteristic and by filtering the eccentricity correction data and the read/write data which have rectangular waveforms by a differentiating characteristic, a demodulating part to demodulate the servo information, the eccentricity correction data and the read/write data that are filtered by the filter part, and a servo system to carry out a control process including an eccentricity control based on the servo information and the eccentricity correction data that are demodulated.

    摘要翻译: 磁存储装置具有用于从记录有伺服信息,偏心校正数据和读/写数据的垂直磁记录介质再现信息的再现头。 该装置还具有滤波器部分,以通过对具有差分波形的非微分特性进行滤波的伺服信息,并通过滤波具有矩形波形的偏心校正数据和读/写数据来过滤再现头的再现输出 微分特性,用于解调伺服信息的解调部分,由滤波部分滤波的偏心校正数据和读/写数据;以及伺服系统,用于执行包括基于伺服信息的偏心控制的控制处理 以及被解调的偏心校正数据。

    Magneto-optical recording medium and reproducing method for information recorded on the medium
    10.
    发明授权
    Magneto-optical recording medium and reproducing method for information recorded on the medium 失效
    用于记录在介质上的信息的磁光记录介质和再现方法

    公开(公告)号:US06356516B2

    公开(公告)日:2002-03-12

    申请号:US09732092

    申请日:2000-12-07

    IPC分类号: G11B1100

    摘要: A magneto-optical recording medium capable of perfectly masking a mark adjacent to a mark to be reproduced thereby improvng reproduction output. The magneto-optical recording medium includes a transparent substrate, a magnetic reproducing layer laminated on the transparent substrate, a nonmagnetic intermediate layer laminated on the magnetic reproducing layer, and a magnetic recording layer laminated on the nonmagnetic intermediate layer. The reproducing layer has an easy direction of magnetization in a plane at room temperature, and has an easy direction of magnetization perpendicular to a film surface at a given temperature or higher. The nonmagnetic intermediate layer is thin enough to allow magnetostatic bond between the recording layer and the reproducing layer at the given temperature or higher. Instead of the nonmagnetic intermediate layer, a magnetic intermediate layer having an easy direction of magnetization in a plane from room temperature to its Curie temperature may be interposed between the reproducing layer and the recording layer.

    摘要翻译: 一种磁光记录介质,其能够完美地掩蔽与要再现的标记相邻的标记,从而提高再现输出。 磁光记录介质包括透明基板,层叠在透明基板上的磁性再现层,层叠在磁性再现层上的非磁性中间层以及层叠在非磁性中间层上的磁记录层。 再现层在室温下在平面中具有容易的磁化方向,并且在给定温度或更高温度下具有与膜表面垂直的易磁化方向。 非磁性中间层足够薄,以允许在给定温度或更高温度下记录层和再生层之间的静磁结合。 代替非磁性中间层,可以在再现层和记录层之间插入在从室温到其居里温度的平面中具有容易的磁化方向的磁性中间层。