Patterned and directional selective roughening of a slider air-bearing surface

    公开(公告)号:US06366429B1

    公开(公告)日:2002-04-02

    申请号:US09246920

    申请日:1999-02-09

    IPC分类号: G11B560

    CPC分类号: G11B5/6005

    摘要: An information handling system, such as a disk drive, including a base, a disk stack rotatably attached to the base, and an actuator assembly movably attached to the base. The actuator assembly also includes a load spring and a slider attached to said load spring. The slider and load spring are attached to form a gimballing connection between the slider and the load spring. The slider includes an air-bearing surface which has a contact area. The slider also includes a transducer. The transducer is typically located near said contact area. The contact area includes a roughened surface portion and a smooth surface portion. The smooth surface portion is adjacent the transducer. The roughened surface portion is rougher than the smooth surface portion. The roughened surface portion is also rougher than the other surfaces associated with the air-bearing surface of the slider. The roughened surface portion of the contact area is formed by one of several techniques. One of the techniques uses a wet etch to remove at least one of the phases of a multi-phase material. Another technique defines the area to be roughened using photolithography. After exposing the photoresist using either a mask or a laser, a portion of photoresist is removed and the areas unprotected by photoresist are dry etched to form the roughened contact area.

    Increased mechanical spacing through localized continuous carbon overcoat
    2.
    发明授权
    Increased mechanical spacing through localized continuous carbon overcoat 有权
    通过局部连续碳涂层增加机械间距

    公开(公告)号:US06359754B1

    公开(公告)日:2002-03-19

    申请号:US09329429

    申请日:1999-06-10

    IPC分类号: G11B571

    摘要: An air bearing slider for a disc drive has an overcoat localized on the air bearing surface to provide a continuous covering over a leading portion of the air bearing surface. The overcoat terminates in a trailing cut-off line, and a trailing portion of the air bearing surface is not covered by overcoat. The overcoat also covers the pole tips of the transducer at a pole tip recession from the air bearing surface. The leading portion covered by the overcoat includes all of the air bearing surface that contacts the disc during contact/start/stop, which is protected by a uniform continuous overcoat layer. The trailing cut-off line is disposed at an angle to expose the trailing corners of the air bearing surface, such that all of the overcoat is elevated above the lowermost portion of the air bearing surface through pitch and roll angles of flying at inner and outer radii. Methods of applying the localized overcoat include subtractive and additive photolithographic deposition processes. The overcoat over the pole tips protects the pole tips during subsequent processing steps of forming the slider cavity.

    摘要翻译: 用于盘驱动器的空气轴承滑块具有定位在空气轴承表面上的外涂层,以在空气轴承表面的引导部分上提供连续的覆盖物。 外罩终止于拖尾切割线,空气支承表面的后部不被外涂层覆盖。 外罩还在空气轴承表面的极尖凹陷处覆盖换能器的极尖。 由外涂层覆盖的引导部分包括在接触/起动/停止期间接触盘的所有空气轴承表面,其被均匀的连续外涂层保护。 尾部切断线设置成一定角度以暴露空气支承表面的后角,使得所有的外涂层通过在内部和外部飞行的俯仰角和滚动角度而升高到空气轴承表面的最下部分之上 半径 施加局部外涂层的方法包括减色和附加光刻沉积工艺。 在形成滑块空腔的后续处理步骤中,极尖上的外涂保护极尖。

    Apparatus for fabricating a taper on a recording head slider
    5.
    发明授权
    Apparatus for fabricating a taper on a recording head slider 失效
    用于在记录头滑块上制造锥形的装置

    公开(公告)号:US06264787B1

    公开(公告)日:2001-07-24

    申请号:US09231138

    申请日:1999-01-15

    IPC分类号: C23F102

    摘要: A method of forming a leading edge taper in a selected area on the bearing surface of a disc head slider includes directing an etching beam toward the bearing surface, with a first portion of the selected area being shaded from the etching beam and a second portion of the selected area being unshaded from the etching beam. The areas of the first and second portions are varied over time to form the taper.

    摘要翻译: 在盘头滑块的支承表面上的选定区域中形成前缘锥形的方法包括将蚀刻光束引向支承表面,其中所选区域的第一部分被从蚀刻光束遮蔽,并且第二部分 所选择的区域不被蚀刻光束遮蔽。 第一和第二部分的区域随时间变化以形成锥度。

    Reader shield/electrode structure
    7.
    发明授权
    Reader shield/electrode structure 有权
    读卡器屏蔽/电极结构

    公开(公告)号:US08059370B2

    公开(公告)日:2011-11-15

    申请号:US12100919

    申请日:2008-04-10

    IPC分类号: G11B5/33

    摘要: A magnetic sensing device includes a first electrode, a second electrode, a first magnetic shield, a second magnetic shield, and a sensor. The first magnetic shield forms at least a portion of the first electrode. The second magnetic shield includes a first region that forms at least a portion of the first electrode and a second region that forms at least a portion of the second electrode. The sensor is positioned between the first and second magnetic shields and is electrically connected in series between the first and second electrodes.

    摘要翻译: 磁感测装置包括第一电极,第二电极,第一磁屏蔽,第二磁屏蔽和传感器。 第一磁屏蔽形成第一电极的至少一部分。 第二磁屏蔽包括形成第一电极的至少一部分的第一区域和形成第二电极的至少一部分的第二区域。 传感器位于第一和第二磁屏蔽之间并串联电连接在第一和第二电极之间。

    Reader shield/electrode structure for improved stray field and electrical performance
    8.
    发明授权
    Reader shield/electrode structure for improved stray field and electrical performance 失效
    读取器屏蔽/电极结构,用于改善杂散场和电气性能

    公开(公告)号:US07379277B2

    公开(公告)日:2008-05-27

    申请号:US11172350

    申请日:2005-06-30

    IPC分类号: G11B5/33

    摘要: A magnetic sensing device includes a first electrode, a second electrode, a first magnetic shield, a second magnetic shield, and a sensor. The first magnetic shield forms at least a portion of the first electrode. The second magnetic shield includes a first region that forms at least a portion of the first electrode and a second region that forms at least a portion of the second electrode. The sensor is positioned between the first and second magnetic shields and is electrically connected in series between the first and second electrodes.

    摘要翻译: 磁感测装置包括第一电极,第二电极,第一磁屏蔽,第二磁屏蔽和传感器。 第一磁屏蔽形成第一电极的至少一部分。 第二磁屏蔽包括形成第一电极的至少一部分的第一区域和形成第二电极的至少一部分的第二区域。 传感器位于第一和第二磁屏蔽之间并串联电连接在第一和第二电极之间。

    COMMONLY-POLED PIEZOELECTRIC DEVICE
    10.
    发明申请
    COMMONLY-POLED PIEZOELECTRIC DEVICE 有权
    通用压电器件

    公开(公告)号:US20110032642A1

    公开(公告)日:2011-02-10

    申请号:US12489271

    申请日:2009-08-04

    IPC分类号: G11B5/48 H01L41/24

    摘要: A system for poling piezoelectric devices comprises a plurality of thin-film components, a plurality of piezoelectric devices, a poling pad for poling the piezoelectric devices, a plurality of traces, and a plurality of current-limiting elements. The thin-film components are separated by dice lanes to form an array, and the piezoelectric devices are formed on the thin-film components. The traces connect the piezoelectric devices across the dice lanes in parallel to the poling pad. Each current-limiting element is connected in series with one of the piezoelectric devices, in order to limit current to individual piezoelectric devices that experience current-related failure.

    摘要翻译: 用于极化压电装置的系统包括多个薄膜部件,多个压电装置,用于极化压电装置的极化垫,多个迹线和多个限流元件。 薄膜部件通过骰子线分隔开形成阵列,并且压电元件形成在薄膜部件上。 迹线将压电元件跨过骰子通道平行于极化垫。 每个限流元件与压电器件之一串联连接,以便将电流限制到经历电流相关故障的各个压电器件。