公开(公告)号：US07492539B2

公开(公告)日：2009-02-17

申请号：US10813562

申请日：2004-03-30

申请人： Walton Fong ,  Donald R. Gillis ,  Vedantham Raman ,  Kris Schouterden ,  Mike Suk

发明人： Walton Fong ,  Donald R. Gillis ,  Vedantham Raman ,  Kris Schouterden ,  Mike Suk

IPC分类号： G11B27/36 ,  G11B21/02

CPC分类号： G11B5/102 ,  G11B5/3166

摘要： A method for controlling a burnish cycle to minimize cycle time is disclosed. MR sensor resistance measurements are used to monitor interference with the recording surface and when clearance is not detected, steps are taken to fine tune the interference signal.

摘要翻译： 公开了一种控制抛光循环以最小化循环时间的方法。 MR传感器电阻测量用于监测与记录表面的干扰，并且当没有检测到间隙时，采取步骤来微调干扰信号。

公开(公告)号：US20050218890A1

公开(公告)日：2005-10-06

申请号：US10813562

申请日：2004-03-30

申请人： Walton Fong ,  Donald Gillis ,  Vedantham Raman ,  Kris Schouterden ,  Mike Suk

发明人： Walton Fong ,  Donald Gillis ,  Vedantham Raman ,  Kris Schouterden ,  Mike Suk

IPC分类号： G11B5/10 ,  G11B5/31 ,  G11B27/36

CPC分类号： G11B5/102 ,  G11B5/3166

摘要： A method for controlling a burnish cycle to minimize cycle time is disclosed. MR sensor resistance measurements are used to monitor interference with the recording surface and when clearance is not detected, steps are taken to fine tune the interference signal.

摘要翻译： 公开了一种控制抛光循环以最小化循环时间的方法。 MR传感器电阻测量用于监测与记录表面的干扰，并且当没有检测到间隙时，采取步骤来微调干扰信号。

公开(公告)号：US06934101B2

公开(公告)日：2005-08-23

申请号：US10607599

申请日：2003-06-27

申请人： Walton Fong ,  Donald R. Gillis ,  Remmelt Pit ,  Kris Schouterden ,  Mike Suk

发明人： Walton Fong ,  Donald R. Gillis ,  Remmelt Pit ,  Kris Schouterden ,  Mike Suk

IPC分类号： G11B5/00 ,  G11B5/10 ,  G11B5/105 ,  G11B5/187 ,  G11B5/31 ,  G11B5/39 ,  G11B5/48 ,  G11B5/60 ,  G11B5/82 ,  G11B27/36

CPC分类号： G11B5/3169 ,  G11B5/102 ,  G11B5/105 ,  G11B5/1871 ,  G11B5/3116 ,  G11B5/3166 ,  G11B5/3967 ,  G11B5/4886 ,  G11B5/6005 ,  G11B5/82 ,  G11B2005/001 ,  G11B2005/0016

摘要： A method for burnishing a slider in a disk drive in which the disk is rotated in the opposite or reverse direction from that used to develop the air-bearing and to read and write data is described. Rotating the disk in the reverse direction results in no air-bearing being formed and the slider being in contact with the disk surface. The burnishing removes material over the magnetic transducers in the slider which separate the transducers from the disk resulting in greater sensitivity. Optionally the stopping point for burnishing can be determined by monitoring measurable parameters such as the change in the MR resistance (MRR), i.e., ΔMRR/MRR until a selected range is achieved. The invention can be used to remove an overcoat from the air-bearing surface of the slider, remove protruding areas from the slider and to remove debris from the disk surface.

摘要翻译： 描述了一种在盘驱动器中抛光滑块的方法，其中盘沿与用于显影空气轴承的方向相反或相反的方向旋转并且读取和写入数据。 沿相反方向旋转盘片不会形成空气轴承，并且滑块与盘表面接触。 抛光去除滑块上的磁换能器上的材料，其将换能器与盘分离，导致更大的灵敏度。 可选地，抛光的停止点可以通过监测可测量的参数来确定，例如MR阻抗（MRR）的变化，即DeltaMRR / MRR，直到达到所选择的范围。 本发明可用于从滑块的空气轴承表面去除外涂层，从滑块移除突出区域并从盘表面去除碎屑。

公开(公告)号：US06407880B1

公开(公告)日：2002-06-18

申请号：US09535780

申请日：2000-03-28

申请人： Donald R. Gillis ,  Kris Schouterden ,  Ullal Vasant Nayak ,  Reinhard F. Wolter

发明人： Donald R. Gillis ,  Kris Schouterden ,  Ullal Vasant Nayak ,  Reinhard F. Wolter

IPC分类号： G11B1702

CPC分类号： G11B33/144

摘要： A computer system hard disk drive contains magnetic heads for reading data to and writing data from storage media disks. The heads are coupled to an electrical source that thermally excites the heads during non-operation of the disk drive in order to raise the temperature of the heads. The temperature increase induces a mechanism such as a local, low humidity barrier at each of the heads. When the disk drive is stored in harsh environmental atmospheres, such as high temperatures and high humidity, the mechanism or low humidity barrier is sufficient to overcome the ambient conditions and reduce environmental corrosion of the heads.

摘要翻译： 计算机系统硬盘驱动器包含用于从存储介质盘读取数据和写入数据的磁头。 头部耦合到电源，其在磁盘驱动器的非操作期间热激发磁头，以便提高磁头的温度。 温度升高在每个头部引起机构，例如局部的，低湿度的屏障。 当磁盘驱动器存放在诸如高温和高湿度的恶劣环境环境中时，机构或低湿度屏障足以克服环境条件并减少磁头的环境腐蚀。

公开(公告)号：US08068306B2

公开(公告)日：2011-11-29

申请号：US12637408

申请日：2009-12-14

申请人： Lakshmi Ramamoorthy ,  David Jen ,  Douglas Zuercher ,  Masayoshi Shimokoshi ,  Kris Schouterden

发明人： Lakshmi Ramamoorthy ,  David Jen ,  Douglas Zuercher ,  Masayoshi Shimokoshi ,  Kris Schouterden

IPC分类号： G11B21/02 ,  G11B15/04

CPC分类号： G11B5/6064 ,  G11B5/6005

摘要： Approaches for improving the write quality of a hard-disk drive (HDD) head experiencing temporary fly-height problem. When the hard-disk drive is idle and heads are parked on the ramp, fluid, such as a lubricant or the condensation of vapor, may collect between the surface of a platter and the head or a slider, thereby causing the head to temporarily fly higher than normal. An HDD may include electronic component(s) configured to (a) determine whether it is likely that fluid is interposed between the surface of a magnetic-recording disk and the slider or the head, and (b) temporarily adjust one or more of (i) a thermal fly height control setting of the head and (ii) a write parameter of the head to compensate for the head flying higher than normal as a result of the fluid being interposed between the surface of the disk and the slider or the head.

摘要翻译： 提高硬盘驱动器（HDD）头部经历暂时飞高问题的写入质量的方法。 当硬盘驱动器空闲并且头部停放在斜坡上时，流体（例如润滑剂或蒸气冷凝）可以在盘片的表面与头部或滑块之间收集，从而导致头部暂时飞行 高于正常 HDD可以包括被配置为（a）确定在磁记录盘的表面和滑块或头之间是否存在流体的电子部件，以及（b）暂时调整一个或多个 i）头部的热飞行高度控制设置和（ii）头部的写入参数，以补偿头部飞行高于正常，这是因为流体插入在盘的表面和滑块或头部之间 。

公开(公告)号：US07920350B2

公开(公告)日：2011-04-05

申请号：US12242673

申请日：2008-09-30

申请人： Hoan A. Au ,  Theofilos G. Fkiaras ,  David H. Jen ,  Bernd Lamberts ,  Kris Schouterden ,  Douglas M. Zuercher

发明人： Hoan A. Au ,  Theofilos G. Fkiaras ,  David H. Jen ,  Bernd Lamberts ,  Kris Schouterden ,  Douglas M. Zuercher

IPC分类号： G11B27/36

CPC分类号： G11B5/59622 ,  G11B5/59611

摘要： Data recovery information characterizes data recovery procedure (DRP) steps to be performed within a hard disk drive (HDD) in response to a miss. Particular data recovery information corresponds to a radial position of the actuator and, therefore, the position of the magnetic recording read/write head relative to the associated storage media at the location at which the miss occurred. The data recovery information is based on the physical shape of a write pole and on how the physical shape of the pole inherently affects operational data error associated with the head. Because of the foregoing characteristics of such data recovery information, a more efficient and performant data recovery procedure is performed based thereon.

摘要翻译： 数据恢复信息表征在硬盘驱动器（HDD）响应于错过时执行的数据恢复过程（DRP）步骤。 特定数据恢复信息对应于致动器的径向位置，并且因此对应于磁迹记录读/写头相对于未命中发生位置处的关联存储介质的位置。 数据恢复信息基于写入极的物理形状以及极点的物理形状如何固有地影响与头相关联的操作数据错误。 由于这种数据恢复信息的上述特征，基于此执行更有效和性能更好的数据恢复过程。

公开(公告)号：US20090059413A1

公开(公告)日：2009-03-05

申请号：US11897636

申请日：2007-08-30

申请人： Jorge F. Escobar ,  Steven N. Guilliams ,  Kris Schouterden

发明人： Jorge F. Escobar ,  Steven N. Guilliams ,  Kris Schouterden

IPC分类号： G11B21/02

CPC分类号： G11B5/6064 ,  G11B5/607

摘要： A method for increasing reliability of a hard disk drive (HDD) is disclosed. One of a plurality of magnetic read/write heads in a hard disk drive (HDD) is determined to be disabled, and a fly-height associated with the disabled read/write head is increased with respect to a fly-height associated with the plurality of read/write heads.

摘要翻译： 公开了一种用于提高硬盘驱动器（HDD）的可靠性的方法。 确定硬盘驱动器（HDD）中的多个磁读/写头之一被禁用，并且与禁用的读/写头相关联的飞高相对于与多个相关联的飞高相关地增加 的读/写头。

公开(公告)号：US20110116186A1

公开(公告)日：2011-05-19

申请号：US12622109

申请日：2009-11-19

申请人： David Jen ,  Indukumar Kalahasthi ,  Kris Schouterden ,  Douglas Zuercher

发明人： David Jen ,  Indukumar Kalahasthi ,  Kris Schouterden ,  Douglas Zuercher

IPC分类号： G11B21/02

CPC分类号： G11B20/1217 ,  G11B2005/0005 ,  G11B2020/1292 ,  G11B2020/1298 ,  G11B2220/2516

摘要： Approaches for adjusting the recording density of a recording medium in a circumferential direction are disclosed. A hard-disk drive includes one or more electronic components configured to divide a track, of a plurality of concentric tracks on a magnetic-recording disk, into a plurality of portions, and write data to each of the plurality of portions at a recording density that is independent of the recording density used for any of the other portions. Data may be written to a first portion of a track at a different frequency than to a second portion of the same track. The frequency at which data is written may be adjusted for different portions of the same track to allow the frequency to be reduced at certain portions shown to have relatively higher soft error rate while increasing the frequency for other portions to achieve a desired average error rate for the track.

摘要翻译： 公开了用于调节记录介质在圆周方向上的记录密度的方法。 硬盘驱动器包括一个或多个电子部件，其被配置为将磁记录盘上的多个同心轨道的轨迹分成多个部分，并且以记录密度将数据写入多个部分中的每一个部分 其独立于用于任何其它部分的记录密度。 数据可以以与相同轨道的第二部分不同的频率写入轨道的第一部分。 可以针对同一轨道的不同部分调整写入数据的频率，以允许在显示为具有相对较高的软错误率的某些部分减小频率，同时增加其他部分的频率以实现期望的平均误码率 轨道。

公开(公告)号：US20100079903A1

公开(公告)日：2010-04-01

申请号：US12242673

申请日：2008-09-30

申请人： Hoan A. Au ,  Theofilos G. Fkiaras ,  David H. Jen ,  Bernd Lamberts ,  Kris Schouterden ,  Douglas M. Zuercher

发明人： Hoan A. Au ,  Theofilos G. Fkiaras ,  David H. Jen ,  Bernd Lamberts ,  Kris Schouterden ,  Douglas M. Zuercher

IPC分类号： G11B5/596

CPC分类号： G11B5/59622 ,  G11B5/59611

摘要： Data recovery information characterizes data recovery procedure (DRP) steps to be performed within a hard disk drive (HDD) in response to a miss. Particular data recovery information corresponds to a radial position of the actuator and, therefore, the position of the magnetic recording read/write head relative to the associated storage media at the location at which the miss occurred. The data recovery information is based on the physical shape of a write pole and on how the physical shape of the pole inherently affects operational data error associated with the head. Because of the foregoing characteristics of such data recovery information, a more efficient and performant data recovery procedure is performed based thereon.

摘要翻译： 数据恢复信息表征在硬盘驱动器（HDD）响应于错过时执行的数据恢复过程（DRP）步骤。 特定数据恢复信息对应于致动器的径向位置，并且因此对应于磁迹记录读/写头相对于未命中发生位置处的关联存储介质的位置。 数据恢复信息基于写入极的物理形状以及极点的物理形状如何固有地影响与头相关联的操作数据错误。 由于这种数据恢复信息的上述特征，基于此执行更有效和性能更好的数据恢复过程。

公开(公告)号：US20080151418A1

公开(公告)日：2008-06-26

申请号：US11643154

申请日：2006-12-20

申请人： Paul Cisewski ,  Ryohheita Hattori ,  Kris Schouterden ,  Jerome Venneman

发明人： Paul Cisewski ,  Ryohheita Hattori ,  Kris Schouterden ,  Jerome Venneman

IPC分类号： G11B5/52

CPC分类号： G11B5/6064 ,  G11B5/607

摘要： Embodiments of the present invention pertain to a tradeoff between reliability and performance for a disk drive. According to one embodiment, a first measurement at a first thermal fly height control (TFC) heater level that provides low reliability for a parameter and a second measurement at a second TFC heater level that provides low performance for the parameter are determined. The first measurement and the second measurement are used to determine if there is a third TFC heater level that at least satisfies a criteria for the parameter whereby the tradeoff between the reliability and the performance for the disk drive is enabled.

摘要翻译： 本发明的实施例涉及磁盘驱动器的可靠性和性能之间的折衷。 根据一个实施例，确定在为参数提供低性能的第二TFC加热器级提供低参数可靠性和第二测量的第一热飞跃高度控制（TFC）加热器水平的第一测量。 第一测量和第二测量用于确定是否存在至少满足参数的标准的第三TFC加热器级别，从而使可靠性和磁盘驱动器的性能之间的折衷得以实现。