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    Slider having heater with adjacent high thermal conductivity layer
    1.
    发明授权
    Slider having heater with adjacent high thermal conductivity layer 有权
    滑块具有具有相邻高导热层的加热器

    公开(公告)号：US08937791B1

    公开(公告)日：2015-01-20

    申请号：US14091451

    申请日：2013-11-27

    Applicant: Seagate Technology LLC

    Inventor： Daniel W. Olson ,  Declan Macken

    IPC: G11B5/60

    CPC classification number: G11B5/607 ,  G11B5/3133

    Abstract: A slider having a slider body having an air bearing surface, a leading edge and a trailing edge, and a transducer on the air bearing surface proximate the trailing edge, the transducer comprising a read sensor and a write sensor. The slider also has a heater, positioned proximate the transducer, and a continuous dielectric layer comprising a dielectric material having a coefficient of thermal conductivity of at least 20 W/m-K, the dielectric layer positioned adjacent to and in contact with the heater and between the heater and the transducer.

    Abstract translation: 具有滑动体的滑块具有空气轴承表面，前缘和后缘以及靠近后缘的空气轴承表面上的换能器，换能器包括读取传感器和写入传感器。 滑块还具有位于换能器附近的加热器，以及包括介电材料的连续电介质层，介电材料具有至少20W / mK的导热系数，介电层位于与加热器相邻并且与加热器接触 加热器和传感器。

    HEAD-MEDIUM CONTACT DETECTION USING AN OSCILLATING ELECTROMAGNETIC FORCE
    4.
    发明申请
    HEAD-MEDIUM CONTACT DETECTION USING AN OSCILLATING ELECTROMAGNETIC FORCE 审中-公开

    公开(公告)号：US20170092313A1

    公开(公告)日：2017-03-30

    申请号：US15237878

    申请日：2016-08-16

    Applicant: Seagate Technology LLC

    Inventor： Daniel W. Olson ,  Declan Macken ,  Andrea L. Geer

    IPC: G11B5/60

    CPC classification number: G11B5/6011 ,  G11B5/6035 ,  G11B5/607 ,  G11B5/6076

    Abstract: An apparatus comprises circuitry configured to apply an AC signal having a frequency to one of a slider of a recording head and a magnetic recording medium. The applied AC signal causes an oscillation in an electrostatic force and clearance between the slider and the medium at the frequency of the AC signal. A thermal sensor is configured to generate a sensor signal at the AC signal frequency in response to sensing changes in temperature resulting from the oscillating clearance. A detector is coupled to the circuitry and the thermal sensor. The detector is configured to detect one or both of head-medium spacing changes and head-medium contact using a phase of a first harmonic or an amplitude of a second harmonic of the thermal sensor signal.

    Recording head with surface charge control
    5.
    发明授权
    Recording head with surface charge control 有权
    记录头带表面充电控制

    公开(公告)号：US09502064B1

    公开(公告)日：2016-11-22

    申请号：US14839590

    申请日：2015-08-28

    Applicant: Seagate Technology LLC

    Inventor： Declan Macken ,  Daniel W. Olson

    IPC: G11B21/02 ,  G11B27/36 ,  G11B5/60

    CPC classification number: G11B5/6035

    Abstract: A data recording head may consist of at least a charge control circuit that has a substrate, ground, surface charge circuitry, and data reader circuitry. The substrate may be electrically isolated from the ground and electrically connected between the surface charge circuitry and a non-zero fixed voltage. The surface charge circuitry can be configured to apply a varying substrate charge to the substrate at a predetermined frequency to alter a head media spacing between the substrate and a data storage medium.

    Abstract translation: 数据记录头可以由至少具有基板，接地，表面电荷电路和数据读取器电路的充电控制电路组成。 衬底可以与地面电隔离并电连接在表面电荷电路和非零固定电压之间。 表面电荷电路可以被配置为以预定的频率向衬底施加变化的衬底电荷，以改变衬底和数据存储介质之间的头部介质间隔。

    Head-medium contact detection using electromagnetic attraction
    7.
    发明授权
    Head-medium contact detection using electromagnetic attraction 有权
    使用电磁吸引头头介质接触检测

    公开(公告)号：US08995076B1

    公开(公告)日：2015-03-31

    申请号：US14257266

    申请日：2014-04-21

    Applicant: Seagate Technology LLC

    Inventor： Daniel W. Olson ,  David J. Ellison ,  Michael Thomas Johnson

    IPC: G11B5/02 ,  G11B5/596

    CPC classification number: G11B5/596 ,  G11B5/607 ,  G11B5/6076

    Abstract: An apparatus of the present disclosure generally includes a recording head, circuitry, a thermal sensor, and a detector. The recording head has an electromagnetic attraction to a recording medium. The circuitry is configured to oscillate the electromagnetic attraction between the recording head and the recording medium. The oscillating electromagnetic attraction produces a corresponding oscillating clearance between the recording head and the recording medium. The thermal sensor, located in or near the recording head, senses an oscillating temperature that is induced by the oscillating clearance and produces a sensor signal that is representative of the sensed temperature. The detector is coupled to the thermal sensor and is configured to detect at least one of head-medium contact and clearance using the sensor signal and the electromagnetic attraction.

    Abstract translation: 本公开的装置通常包括记录头，电路，热传感器和检测器。 记录头对记录介质具有电磁吸引力。 电路被配置为在记录头和记录介质之间振荡电磁吸引力。 振荡电磁吸引力在记录头和记录介质之间产生相应的振荡间隙。 位于记录头或附近的热传感器感测由振荡间隙引起的振荡温度，并产生代表感测温度的传感器信号。 检测器耦合到热传感器并且被配置为使用传感器信号和电磁吸引力来检测头 - 介质接触和间隙中的至少一个。

    Self-assembled monolayer to adjust fly height
    10.
    发明授权
    Self-assembled monolayer to adjust fly height 有权
    自组装单层调整飞行高度

    公开(公告)号：US09437233B1

    公开(公告)日：2016-09-06

    申请号：US14877292

    申请日：2015-10-07

    Applicant: Seagate Technology LLC

    Inventor： Daniel W. Olson ,  Timothy W. Stoebe

    IPC: G11B5/60 ,  G11B5/40

    CPC classification number: G11B5/60 ,  G11B5/3106 ,  G11B5/40 ,  G11B5/6005 ,  G11B5/6011 ,  G11B5/6035 ,  G11B5/607

    Abstract: A disc drive assembly that includes a disc having a surface, a slider having an air-bearing surface (ABS) opposite the disc surface, and a voltage source for applying a voltage/potential across the disc and slider. Present on either the ABS or the disc surface is a surface treatment that provides a surface potential of at least +/−0.1 V. In some implementations the surface treatment is a self-assembled monolayer (SAM).

    Abstract translation: 一种盘驱动器组件，其包括具有表面的盘，具有与盘表面相对的空气轴承表面（ABS）的滑块以及用于施加跨越盘和滑块的电压/电位的电压源。 存在于ABS或盘表面上的是提供至少+/- 0.1V的表面电位的表面处理。在一些实施方式中，表面处理是自组装单层（SAM）。

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