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11. 发明申请

US20050197047A1 Magnetic recording head burnishing method 失效
标题翻译：磁记录头抛光方法
公开(公告)号：US20050197047A1
公开(公告)日：2005-09-08
申请号：US11065319
申请日：2005-02-23
申请人： Donald Gillis , Kris Schouterden
发明人： Donald Gillis , Kris Schouterden
IPC分类号： G11B5/10 , G11B5/60 , B24B49/00
CPC分类号： G11B5/60 , G11B5/102 , Y10T29/47 , Y10T29/49025
摘要： A slider burnishing method is introduced, in which the slider is brought into a predetermined surface contact with the rotating disk for a specified period. The predetermined surface contact end the specified time period are selected together with the surface condition of the rotating hard disk, such that smoothened slider surface is abrasively formed. The smoothened slider surface is substantially parallel to the disk surface and thus provides reduced contact pressure during eventual operational contacting. In addition, the smoothened slider surface creates a constant gap together with the disk surface, which enhances the aerodynamic properties of the air bearing surface and stabilizes a small fly height.
摘要翻译：引入滑块抛光方法，其中滑块与旋转盘预定的表面接触一段指定的时间。与规定的时间周期结束的预定表面接触端与旋转硬盘的表面状态一起选择，使得平滑的滑块表面被磨蚀地形成。平滑的滑块表面基本上平行于盘表面，因此在最终的操作接触期间提供降低的接触压力。此外，平滑的滑块表面与盘表面一起形成恒定的间隙，这增强了空气轴承表面的空气动力特性并稳定了小的飞行高度。

12. 发明授权

US08131920B2 Method and system for dynamically allocating read and write sequence randomizer 有权
标题翻译：动态分配读取和写入序列随机化器的方法和系统
公开(公告)号：US08131920B2
公开(公告)日：2012-03-06
申请号：US11999933
申请日：2007-12-06
申请人： Ryoheita Hattori , David H. Jen , Bernd Lamberts , Remmelt Pit , Kris Schouterden
发明人： Ryoheita Hattori , David H. Jen , Bernd Lamberts , Remmelt Pit , Kris Schouterden
IPC分类号： G06F12/00
CPC分类号： G11B20/22 , G06F3/0619 , G06F3/064 , G06F3/0676 , G11B20/10009 , G11B2020/1843 , G11B2220/2516
摘要： A data formatting system and method to improve data efficiency and integrity in a hard disk are disclosed. One embodiment provides a disk drive system having a plurality of lookup tables which store a plurality of randomizer seeds which may be dynamically encoded into the preamble field of a customer data block if the customer data is deemed marginal. Encoding the randomizer seed into the preamble field prevents adjacent data track mis-writes and mis-reads.
摘要翻译：公开了一种提高硬盘数据效率和完整性的数据格式化系统和方法。一个实施例提供了一种具有多个查找表的磁盘驱动器系统，其存储多个随机化器种子，如果客户数据被认为是边缘的，则其可以被动态地编码到客户数据块的前导字段中。将随机化器种子编码到前导字段防止相邻数据跟踪错误写入和误读。

13. 发明授权

US07643240B2 Adjusting a fly-height in hard disk drives 有权
标题翻译：调整硬盘驱动器中的高度
公开(公告)号：US07643240B2
公开(公告)日：2010-01-05
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：公开了一种提高硬盘驱动器（HDD）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。

14. 发明申请

US20090150637A1 Method and system for dynamically allocating read and write sequence randomizer 有权
标题翻译：动态分配读取和写入序列随机化器的方法和系统
公开(公告)号：US20090150637A1
公开(公告)日：2009-06-11
申请号：US11999933
申请日：2007-12-06
申请人： Ryoheita Hattori , David H. Jen , Bernd Lamberts , Remmelt Pit , Kris Schouterden
发明人： Ryoheita Hattori , David H. Jen , Bernd Lamberts , Remmelt Pit , Kris Schouterden
IPC分类号： G06F12/02
CPC分类号： G11B20/22 , G06F3/0619 , G06F3/064 , G06F3/0676 , G11B20/10009 , G11B2020/1843 , G11B2220/2516
摘要： A data formatting system and method to improve data efficiency and integrity in a hard disk are disclosed. One embodiment provides a disk drive system having a plurality of lookup tables which store a plurality of randomizer seeds which may be dynamically encoded into the preamble field of a customer data block if the customer data is deemed marginal. Encoding the randomizer seed into the preamble field prevents adjacent data track mis-writes and mis-reads.
摘要翻译：公开了一种提高硬盘数据效率和完整性的数据格式化系统和方法。一个实施例提供了一种具有多个查找表的磁盘驱动器系统，其存储多个随机化器种子，如果客户数据被认为是边缘的，则其可以被动态地编码到客户数据块的前导字段中。将随机化器种子编码到前导字段防止相邻数据跟踪错误写入和误读。

15. 发明授权

US07446966B2 Method for precompensation/write-current latching to improve error rate 有权
标题翻译：预补偿/写电流锁存方法，以提高错误率
公开(公告)号：US07446966B2
公开(公告)日：2008-11-04
申请号：US11000105
申请日：2004-11-30
申请人： Indukumar Chenchu Kalahasthi , Quan-chiu Harry Lam , Guo Mian , Kris Schouterden , Joseph Emanuel Silva , Christopher David Wiederholt , Douglas M. Zuercher
发明人： Indukumar Chenchu Kalahasthi , Quan-chiu Harry Lam , Guo Mian , Kris Schouterden , Joseph Emanuel Silva , Christopher David Wiederholt , Douglas M. Zuercher
IPC分类号： G11B27/36 , G11B5/09
CPC分类号： G11B5/3136 , G11B20/10194 , G11B2005/0018
摘要： A method is presented for writing data to a surface of a magnetic disk in a disk drive. The method includes determining a number of sector groups into which sectors of the data to be written will be grouped, loading registers with current values, kick-latching values, and precompensation values for each of said sector groups, and applying the current values, kick-latching values, and precompensation values for each of the sector groups to the write head while writing data to the sector groups of the recording media.
摘要翻译：提出了一种将数据写入磁盘驱动器中的磁盘表面的方法。该方法包括确定要写入的数据的扇区将被分组的扇区组的数量，为当前值加载寄存器，每个所述扇区组的启动锁定值和预补偿值，并应用当前值，踢在将数据写入记录介质的扇区组时，将每个扇区组的补码值和预补偿值写入写入头。

16. 发明申请

US20060114587A1 Method for precompensation/write-current latching to improve error rate 有权
标题翻译：预补偿/写电流锁存方法，以提高错误率
公开(公告)号：US20060114587A1
公开(公告)日：2006-06-01
申请号：US11000105
申请日：2004-11-30
申请人： Indukumar Kalahasthi , Quan-chiu Lam , Guo Mian , Kris Schouterden , Joseph Silva , Christopher Wiederholt , Douglas Zuercher
发明人： Indukumar Kalahasthi , Quan-chiu Lam , Guo Mian , Kris Schouterden , Joseph Silva , Christopher Wiederholt , Douglas Zuercher
IPC分类号： G11B5/09
CPC分类号： G11B5/3136 , G11B20/10194 , G11B2005/0018
摘要： A method is presented for writing data to a surface of a magnetic disk in a disk drive. The method includes determining a number of sector groups into which sectors of the data to be written will be grouped, loading registers with current values, kick-latching values, and precompensation values for each of said sector groups, and applying the current values, kick-latching values, and precompensation values for each of the sector groups to the write head while writing data to the sector groups of the recording media.
摘要翻译：提出了一种将数据写入磁盘驱动器中的磁盘表面的方法。该方法包括确定要写入的数据的扇区将被分组的扇区组的数量，为当前值加载寄存器，每个所述扇区组的启动锁定值和预补偿值，并应用当前值，踢在将数据写入记录介质的扇区组时，将每个扇区组的补码值和预补偿值写入写入头。

17. 发明授权

US09047921B2 Adjusting recording density in a circumferential direction 有权
标题翻译：调整圆周方向的记录密度
公开(公告)号：US09047921B2
公开(公告)日：2015-06-02
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： G11B15/18 , G11B5/596 , G11B20/12 , G11B5/00
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。

18. 发明授权

US08169730B2 Suppressing adjacent track interference/far track interference (ATI/FTI) in a hard disk drive (HDD) by an external magnetic field 有权
标题翻译：通过外部磁场抑制硬盘驱动器（HDD）中的相邻轨道干扰/远距离干扰（ATI / FTI）
公开(公告)号：US08169730B2
公开(公告)日：2012-05-01
申请号：US12641292
申请日：2009-12-17
申请人： Nelson Cheng , Lakshmi Ramamoorthy , Kris Schouterden , Masayoshi Shimokoshi
发明人： Nelson Cheng , Lakshmi Ramamoorthy , Kris Schouterden , Masayoshi Shimokoshi
IPC分类号： G11B5/02
CPC分类号： G11B5/012 , G11B2005/001
摘要： A hard disk drive (HDD) comprising a magnetic disk that includes a data storage surface and an external magnetic field parallel to the data storage surface for suppressing track interference.
摘要翻译：一种包括磁盘的硬盘驱动器（HDD），包括数据存储表面和与数据存储表面平行的用于抑制磁道干扰的外部磁场。

19. 发明申请

US20110149427A1 SUPPRESSING ADJACENT TRACK INTERFERENCE/FAR TRACK INTERFERENCE (ATI/FTI) IN A HARD DISK DRIVE (HDD) BY AN EXTERNAL MAGNETIC FIELD 有权
标题翻译：通过外部磁场抑制硬盘驱动器（HDD）中的相邻轨道干扰/光纤跟踪干扰（ATI / FTI）
公开(公告)号：US20110149427A1
公开(公告)日：2011-06-23
申请号：US12641292
申请日：2009-12-17
申请人： Nelson Cheng , Lakshmi Ramamoorthy , Kris Schouterden , Masayoshi Shimokoshi
发明人： Nelson Cheng , Lakshmi Ramamoorthy , Kris Schouterden , Masayoshi Shimokoshi
IPC分类号： G11B5/49 , G11B5/82 , G11B19/08
CPC分类号： G11B5/012 , G11B2005/001
摘要： A hard disk drive (HDD) comprising a magnetic disk that includes a data storage surface and an external magnetic field parallel to the data storage surface for suppressing track interference.
摘要翻译：一种包括磁盘的硬盘驱动器（HDD），包括数据存储表面和与数据存储表面平行的用于抑制磁道干扰的外部磁场。

20. 发明申请

US20110141607A1 Write Quality of HDD Heads Experiencing Temporary Fly-Height Problems 有权
标题翻译：写硬盘头的质量遇到临时飞高问题
公开(公告)号：US20110141607A1
公开(公告)日：2011-06-16
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
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。

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