Overlapping data track access
    1.
    发明申请
    Overlapping data track access 有权
    重叠数据跟踪访问

    公开(公告)号:US20050275962A1

    公开(公告)日:2005-12-15

    申请号:US10854303

    申请日:2004-05-26

    IPC分类号: G11B21/02 G11B27/36

    CPC分类号: G11B27/36 G11B2220/20

    摘要: A data recording apparatus includes a surface having a plurality of data tracks with leading track portions. A head moves along head paths over the data tracks to provide data access. The data access has a reduced reliability along a limited number of the leading track portions. Trailing path additions follow the head paths for the limited number of leading track portions. The trailing path additions providing overlapping data access for the limited number of leading track portions.

    摘要翻译: 一种数据记录装置,包括具有带导轨部分的多个数据轨道的表面。 磁头沿数据轨道的头部路径移动以提供数据访问。 数据访问沿着有限数量的引导轨道部分具有​​降低的可靠性。 跟踪路径追加跟随有限数量的导轨部分的头部路径。 拖尾路径添加为有限数量的导轨部分提供重叠的数据访问。

    Overlapping data track access
    3.
    发明授权
    Overlapping data track access 有权
    重叠数据跟踪访问

    公开(公告)号:US07417813B2

    公开(公告)日:2008-08-26

    申请号:US10854303

    申请日:2004-05-26

    IPC分类号: G11B27/36

    CPC分类号: G11B27/36 G11B2220/20

    摘要: A data recording apparatus includes a surface having a plurality of data tracks with leading track portions. A head moves along head paths over the data tracks to provide data access. The data access has a reduced reliability along a limited number of the leading track portions. Trailing path additions follow the head paths for the limited number of leading track portions. The trailing path additions providing overlapping data access for the limited number of leading track portions.

    摘要翻译: 一种数据记录装置,包括具有带导轨部分的多个数据轨道的表面。 磁头沿数据轨道的头部路径移动以提供数据访问。 数据访问沿着有限数量的引导轨道部分具有​​降低的可靠性。 跟踪路径追加跟随有限数量的导轨部分的头部路径。 拖尾路径添加为有限数量的导轨部分提供重叠的数据访问。

    Average position error measurement in a data storage device
    4.
    发明授权
    Average position error measurement in a data storage device 失效
    数据存储设备中的平均位置误差测量

    公开(公告)号:US06853511B2

    公开(公告)日:2005-02-08

    申请号:US10183712

    申请日:2002-06-25

    IPC分类号: G11B5/596

    CPC分类号: G11B5/59627

    摘要: A number of data pairs, each data pair comprises a write-to-read track misregistration (WRTMR) value and an average position error margin (APE) value, are determined for a data storage device. Each of the data pairs is associated with a unique predetermined non-repeatable runout (NRRO) error in the data storage device. Each of the predetermined NRRO errors is caused by subjecting the data storage device to a unique NRRO error stimulus. An ideal APE margin is then determined for the data storage device by using the data pairs to extrapolate an APE margin corresponding to a WRTMR value of zero.

    摘要翻译: 为数据存储设备确定了多个数据对,每个数据对包括写入到读取的磁道重合失调(WRTMR)值和平均位置误差容限(APE)值。 每个数据对与数据存储设备中的唯一预定的不可重复跳动(NRRO)错误相关联。 每个预定的NRRO错误是由数据存储装置经受独特的NRRO错误刺激引起的。 然后通过使用数据对来推算与WRTMR值为零相对应的APE余量来确定数据存储设备的理想APE余量。

    Mapping defects on a data wedge basis
    7.
    发明授权
    Mapping defects on a data wedge basis 失效
    以数据楔为基础绘制缺陷

    公开(公告)号:US08018671B2

    公开(公告)日:2011-09-13

    申请号:US11755948

    申请日:2007-05-31

    IPC分类号: G11B20/10

    CPC分类号: G11B5/5526

    摘要: A method to map defects is provided. A select data track of a storage medium is scanned for a defect. At least one data wedge affected by the defect on the select data track is identified. Each data wedge includes available area for writing user data defined between two servo wedges that include position information. The at least one affected data wedge is identified as unusuable.

    摘要翻译: 提供了一种映射缺陷的方法。 对存储介质的选择数据轨道进行扫描以获得缺陷。 识别受选择数据轨道上的缺陷影响的至少一个数据楔。 每个数据楔包括用于写入在包括位置信息的两个伺服楔之间定义的用户数据的可用区域。 至少一个受影响的数据楔被识别为不可用。

    Mapping Defects on a Data Wedge Basis
    8.
    发明申请
    Mapping Defects on a Data Wedge Basis 失效
    在数据楔形基础上映射缺陷

    公开(公告)号:US20080298196A1

    公开(公告)日:2008-12-04

    申请号:US11755948

    申请日:2007-05-31

    IPC分类号: G11B5/58

    CPC分类号: G11B5/5526

    摘要: A method to map defects is provided. A select data track of a storage medium is scanned for a defect. At least one data wedge affected by the defect on the select data track is identified. Each data wedge includes available area for writing user data defined between two servo wedges that include position information. The at least one affected data wedge is identified as unusuable.

    摘要翻译: 提供了一种映射缺陷的方法。 对存储介质的选择数据轨道进行扫描以获得缺陷。 识别由选择数据轨道上的缺陷影响的至少一个数据楔。 每个数据楔包括用于写入在包括位置信息的两个伺服楔之间定义的用户数据的可用区域。 至少一个受影响的数据楔被识别为不可用。