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    • 21. 发明授权
    • Data storage tape recertification
    • 数据存储磁带重新认证
    • US07835108B2
    • 2010-11-16
    • US11824338
    • 2007-06-28
    • Douglas W. JohnsonYung Yip
    • Douglas W. JohnsonYung Yip
    • G11B5/584
    • G11B5/0083G11B5/584
    • The invention is directed to techniques for erasing data storage tape for reuse. In an embodiment, an erase head module for erasing data storage tape comprises a set of erase gaps and one or more servo read elements. The set of erase gaps is configured to coincide with data bands of the data storage tape to allow erasure of only the data bands of the data storage tape while not erasing servo bands of the data storage tape. The one or more servo read elements detect one of the servo bands of the data storage tape when the set of erase gaps are proximate the data bands of the data storage tape to allow the erase head module to accurately track the data bands with the set of erase gaps.
    • 本发明涉及擦除用于重用的数据存储带的技术。 在一个实施例中,用于擦除数据存储带的擦除头模块包括一组擦除间隙和一个或多个伺服读取元件。 该组擦除间隙被配置为与数据存储带的数据带一致,以便仅擦除数据存储带的数据带,同时不擦除数据存储带的伺服带。 当该组擦​​除间隙靠近数据存储带的数据带时,一个或多个伺服读取元件检测数据存储带的伺服带中的一个,以允许擦除头模块准确地跟踪数据带的集合 消除差距。
    • 24. 发明申请
    • Data storage tape recertification
    • 数据存储磁带重新认证
    • US20090002859A1
    • 2009-01-01
    • US11824338
    • 2007-06-28
    • Douglas W. JohnsonYung Yip
    • Douglas W. JohnsonYung Yip
    • G11B27/02
    • G11B5/0083G11B5/584
    • The invention is directed to techniques for erasing data storage tape for reuse. In an embodiment, an erase head module for erasing data storage tape comprises a set of erase gaps and one or more servo read elements. The set of erase gaps is configured to coincide with data bands of the data storage tape to allow erasure of only the data bands of the data storage tape while not erasing servo bands of the data storage tape. The one or more servo read elements detect one of the servo bands of the data storage tape when the set of erase gaps are proximate the data bands of the data storage tape to allow the erase head module to accurately track the data bands with the set of erase gaps.
    • 本发明涉及擦除用于重用的数据存储带的技术。 在一个实施例中,用于擦除数据存储带的擦除头模块包括一组擦除间隙和一个或多个伺服读取元件。 该组擦除间隙被配置为与数据存储带的数据带一致,以便仅擦除数据存储带的数据带,同时不擦除数据存储带的伺服带。 当该组擦​​除间隙靠近数据存储带的数据带时,一个或多个伺服读取元件检测数据存储带的伺服带中的一个,以允许擦除头模块准确地跟踪数据带的集合 消除差距。
    • 25. 发明申请
    • Erasure and Servowriting of Magnetic Storage Media having Perpendicular Anisotropy
    • 具有垂直各向异性的磁存储介质的擦除和伺服
    • US20120314322A1
    • 2012-12-13
    • US13159297
    • 2011-06-13
    • Larold L. OlsonDouglas W. JohnsonMichael P. Sharrock
    • Larold L. OlsonDouglas W. JohnsonMichael P. Sharrock
    • G11B5/584G11B5/78
    • G11B5/584G11B5/00821
    • Magnetic storage tape and techniques for erasing and writing to magnetic storage tape having a perpendicular squareness greater than 50 percent and a longitudinal squareness less than 50 percent are described. In general, the magnetic tape may be biased with a remanence magnetization, or magnetic orientation, in any direction. One or two head systems may use various magnetic field patterns to create the desired remanence magnetization. Servo marks may have a remanence magnetization in an opposite magnetic orientation than that of the remaining bias on the servo track, e.g., substantially perpendicular to the magnetic tape. In some examples, a write head may alternate the direction of the magnetic field to continuously bias and write servo patterns to the magnetic tape. In addition, a symmetrical servo mark may be created in the magnetic tape with a write head having a gap width approximately equal to the length of the servo mark.
    • 描述了用于擦除和写入具有大于50%的垂直矩形度和小于50%的纵向矩形度的磁存储带的磁存储带和技术。 通常,磁带可以以任何方向上的剩余磁化或磁方向偏置。 一个或两个头系统可以使用各种磁场图案来产生期望的剩磁。 伺服标记可以具有与伺服轨道上的剩余偏置相反的磁取向的剩磁磁化,例如基本垂直于磁带。 在一些示例中,写头可以交替磁场的方向以连续地将伺服图案偏置和写入磁带。 此外,可以在磁带中产生对称的伺服标记,其中写头的间隙宽度大约等于伺服标记的长度。
    • 26. 发明申请
    • Erasure of Magnetic Storage Media having Perpendicular Anisotropy
    • 具有垂直各向异性的磁存储介质的擦除
    • US20120314320A1
    • 2012-12-13
    • US13159287
    • 2011-06-13
    • Larold L. OlsonDouglas W. JohnsonMichael P. Sharrock
    • Larold L. OlsonDouglas W. JohnsonMichael P. Sharrock
    • G11B5/78G11B21/10
    • G11B5/584G11B5/00813G11B5/78
    • Magnetic storage tape and techniques for erasing and writing to magnetic storage tape having a perpendicular squareness greater than 50 percent and a longitudinal squareness less than 50 percent are described. In general, the magnetic tape may be biased with a remanence magnetization, or magnetic orientation, in any direction. One or two head systems may use various magnetic field patterns to create the desired remanence magnetization. Servo marks may have a remanence magnetization in an opposite magnetic orientation than that of the remaining bias on the servo track, e.g., substantially perpendicular to the magnetic tape. In some examples, a write head may alternate the direction of the magnetic field to continuously bias and write servo patterns to the magnetic tape. In addition, a symmetrical servo mark may be created in the magnetic tape with a write head having a gap width approximately equal to the length of the servo mark.
    • 描述了用于擦除和写入具有大于50%的垂直矩形度和小于50%的纵向矩形度的磁存储带的磁存储带和技术。 通常,磁带可以以任何方向上的剩余磁化或磁方向偏置。 一个或两个头系统可以使用各种磁场图案来产生期望的剩磁。 伺服标记可以具有与伺服轨道上的剩余偏置相反的磁取向的剩磁磁化,例如基本垂直于磁带。 在一些示例中,写头可以交替磁场的方向以连续地将伺服图案偏置和写入磁带。 此外,可以在磁带中产生对称的伺服标记,其中写头的间隙宽度大约等于伺服标记的长度。