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31. 发明授权

US5798884A Multiple zone data storage system and method 失效
公开(公告)号：US5798884A
公开(公告)日：1998-08-25
申请号：US571666
申请日：1995-12-13
申请人： Donald Ray Gillis , David H. Jen , Mike Suk
发明人： Donald Ray Gillis , David H. Jen , Mike Suk
IPC分类号： G11B5/012 , G11B5/54 , G11B5/82 , G11B21/02 , G11B21/22
CPC分类号： G11B5/82 , G11B5/54
摘要： A data storage system has a disk having a first, second and third zone. The first zone has rough texturing to prevent stiction between a slider at rest and the disk. The second zone has intermediate texturing to prevent stiction when a moving slider is in contact with the disk. The third zone has a smooth texture and is used for data recording. A control unit moves the slider between the zones as appropriate on power up and power down of the system. The system has an actuator latch having a bias device. The bias device allows the slider to be positioned between the first and second zones by selective energizing of the actuator while in the latched position.

32. 发明授权

US06501624B1 Multiple zone data storage system and method 失效
标题翻译：多区数据存储系统及方法
公开(公告)号：US06501624B1
公开(公告)日：2002-12-31
申请号：US08802469
申请日：1997-02-19
申请人： Donald Ray Gillis , David H. Jen , Mike Suk
发明人： Donald Ray Gillis , David H. Jen , Mike Suk
IPC分类号： G11B554
CPC分类号： G11B5/82 , G11B5/54
摘要： A data storage system has a disk having a first, second and third zone. The first zone has rough texturing to prevent stiction between a slider at rest and the disk. The second zone has intermediate texturing to prevent stiction when a moving slider is in contact with the disk. The third zone has a smooth texture and is used for data recording. A control unit moves the slider between the zones as appropriate on power up and power down of the system. The system has an actuator latch having a bias device. The bias device allows the slider to be positioned between the first and second zones by selective energizing of the actuator while in the latched position.
摘要翻译：数据存储系统具有具有第一，第二和第三区域的盘。第一个区域具有粗糙的纹理，以防止静止滑块和磁盘之间的静摩擦。第二个区域具有中间纹理，以防止移动滑块与磁盘接触时产生粘滞。第三区具有光滑的纹理，用于数据记录。控制单元在上电和系统断电时适当地移动区域之间的滑块。该系统具有具有偏置装置的致动器闩锁。偏置装置允许滑块通过在处于锁定位置时选择性地激励致动器而定位在第一和第二区之间。

33. 发明授权

US06246534B1 Hard disk drive with lube on demand actuators 失效
标题翻译：带有润滑油按需执行器的硬盘驱动器
公开(公告)号：US06246534B1
公开(公告)日：2001-06-12
申请号：US09179686
申请日：1998-10-27
申请人： Donald Ray Gillis , Mike Suk
发明人： Donald Ray Gillis , Mike Suk
IPC分类号： G11B2102
CPC分类号： G11B21/22 , G11B5/54
摘要： A hard disk drive contains magnetic disks which are accessed by a series of pivotable arms. Each arm has a pair of flexible, cantilevered suspensions and a head gimbal assembly with a magnetic read/write head secured to each suspension. A tab extends from and forms part of the end of each head gimbal assembly. The hard disk drive also has a stationary cam member located near the outer edges of the disks. The cam member has a series of rigid cantilevered fingers with contoured surfaces. Each surface has three spaced-apart detents with a recess located between each adjacent pair of detents. The second recess on each surface has a lubricant-filled reservoir. For the majority of its operation, the drive pivots the arms between an operational range adjacent to the disks, and a park position in the first recess when the drive is not in use. The tabs slide along the support surfaces of the fingers when the arms move to the retracted position. At selected intervals, the support surfaces of the fingers may be lubricated by briefly moving the arms to a lube position with the tabs in the second recess. The small amount of lubricant applied to the tabs is sufficient to relubricate the support surfaces of the fingers as the tabs slide on the fingers for a number of cycles.
摘要翻译：硬盘驱动器包含可由一系列可枢转臂访问的磁盘。每个臂具有一对柔性的悬臂悬架和头部万向架组件，其具有固定到每个悬架的磁读/写头。翼片从每个头部万向架组件的端部延伸并形成一部分。硬盘驱动器还具有位于盘的外边缘附近的固定的凸轮构件。凸轮构件具有一系列具有轮廓表面的刚性悬臂指状物。每个表面具有三个间隔开的棘爪，其中凹槽位于每个相邻的棘爪对之间。每个表面上的第二凹槽具有润滑剂填充的储存器。对于其大部分操作，当驱动器不使用时，驱动器在相邻于盘的操作范围之间枢转臂，并且在第一凹部中的驻车位置。当手臂移动到缩回位置时，舌片沿手指的支撑表面滑动。以选定的间隔，可以通过在第二凹部中的突片短暂地将臂移动到润滑位置来润滑手指的支撑表面。当凸片在手指上滑动多个循环时，施加到凸片上的少量润滑剂足以重新润滑手指的支撑表面。

34. 发明授权

US06683743B2 Method for controlling the velocity of an actuator arm in a hard disk drive 失效
标题翻译：用于控制硬盘驱动器中的致动器臂的速度的方法
公开(公告)号：US06683743B2
公开(公告)日：2004-01-27
申请号：US09758415
申请日：2001-01-10
申请人： Donald Ray Gillis , Mike Suk , Kris Victor Schouterden
发明人： Donald Ray Gillis , Mike Suk , Kris Victor Schouterden
IPC分类号： G11B2102
CPC分类号： G11B5/5521
摘要： A method for controlling the velocity of an actuator arm in a hard disk drive includes moving the actuator arm to an inner limit or outer limit of motion. Then the power to the actuator coil, which drives the actuator arm, is reduced to zero and the actuator arm is released. Bends in the flexible cable connected to the actuator arm can cause the actuator arm to move toward the outer limit of motion. As the actuator arm moves due to the flexible cable, the velocity contribution of the flexible cable is measured and stored. Thereafter, the velocity of the actuator arm, during emergency power shut off, normal unload of the disk drive, or normal load of the disk drive, is decreased or increased by an amount equal to the cable-induced velocity to compensate for the velocity contribution of the flexible cable.
摘要翻译：用于控制硬盘驱动器中的致动器臂的速度的方法包括将致动器臂移动到内部极限或外部极限。然后驱动致动器臂的致动器线圈的电力减小到零，并且致动器臂被释放。连接到执行器臂的柔性电缆中的弯曲可以使致动器臂朝向外部运动极限移动。由于柔性电缆使致动器臂移动，测量并存储柔性电缆的速度贡献。此后，在应急电源关闭期间，致动器臂的速度，磁盘驱动器的正常卸载或盘驱动器的正常负载被减小或增加等于电缆引起的速度的量以补偿速度贡献的柔性电缆。

35. 发明授权

US06549378B2 Magnetic disk drive with offset load/unload tab 失效
公开(公告)号：US06549378B2
公开(公告)日：2003-04-15
申请号：US09764764
申请日：2001-01-16
申请人： Mike Suk , Donald Ray Gillis
发明人： Mike Suk , Donald Ray Gillis
IPC分类号： G11B554
CPC分类号： G11B5/54
摘要： The present invention is a magnetic disk drive for reading or writing magnetically, comprising: (i) a base; (ii) one or more magnetic disks; (iii) a hub fixedly attached to the disk(s) for supporting the disk(s); (iv) a motor operable to rotate the hub; (v) a plurality of magnetic read/write heads, each associated with the surface of a disk; (vi) one or more actuators for supporting the heads and moving the heads across the disks, each actuator having a load/unload tab at its distal end adjacent to the inner diameter side of the actuator; and (vii) a load/unload structure for displacing the heads from the disk comprising a plurality of ramps.

36. 发明授权

US06266199B1 Method of apparatus to characterize and limit the effect of disk damage in a hard disk drive 失效
标题翻译：用于表征和限制硬盘驱动器中磁盘损坏的影响的装置的方法
公开(公告)号：US06266199B1
公开(公告)日：2001-07-24
申请号：US09313832
申请日：1999-05-18
申请人： Donald Ray Gillis , Richard Mark Kroeker , Mike Suk , Reinhard Ferdinand Wolter
发明人： Donald Ray Gillis , Richard Mark Kroeker , Mike Suk , Reinhard Ferdinand Wolter
IPC分类号： G11B2736
CPC分类号： G11B27/36 , G11B5/012 , G11B19/04 , G11B20/10009 , G11B2005/001 , G11B2220/20
摘要： A method and apparatus for monitoring the quality of the readback signal of data written on a magnetic recording disk in a disk drive and for limiting data loss due to physical damage at a slider/disk interface. The amplitude of a read signal is continuously monitored in the read channel, either by directly measuring the read signal amplitude or by monitoring the amplification level of the automatic gain control (AGC) circuit in the read channel which is inversely proportional to the read signal amplitude. If the amplitude of the monitored read signal decreases below a chosen level, the location of the data on the disk track is flagged as possibly damaged. The data is rewritten at the same location and then reread to see if full recovery of the degraded data is possible. If the amplitude read signal of the rewritten data is greater than a chosen level, the disk track is judged to be usable and normal operation continues. If the amplitude of the rewritten data read signal is less than the chosen level, permanent damage of the location on the data track is assumed and the data is rewritten at a new location on the magnetic recording disk.
摘要翻译：一种用于监视写入磁盘驱动器中的磁记录盘上的数据的回读信号的质量的方法和装置，并且用于限制由于滑块/磁盘接口处的物理损坏造成的数据丢失。读取信号的幅度在读取通道中被连续地监视，通过直接测量读取的信号幅度，或通过监视与读取的信号幅度成反比的读取通道中的自动增益控制（AGC）电路的放大电平，。如果监视的读取信号的幅度降低到低于所选择的电平，则磁盘轨道上的数据的位置被标记为可能的损坏。数据被重写在相同的位置，然后重读，看是否可以完全恢复降级的数据。如果重写数据的幅度读取信号大于所选择的电平，则判断磁盘轨迹是可用的，并且正常操作继续。如果重写的数据读取信号的幅度小于所选择的电平，则假设数据磁道上的位置的永久损坏，并且数据被重写在磁记录盘上的新位置。

37. 发明授权

US07012788B2 Spacer ring for disk drive spindle with load/unload feature, latch feature, and tribological overcoat 失效
公开(公告)号：US07012788B2
公开(公告)日：2006-03-14
申请号：US11031807
申请日：2005-01-07
申请人： Donald Ray Gillis , Mike Suk
发明人： Donald Ray Gillis , Mike Suk
IPC分类号： G11B21/02
CPC分类号： G11B5/54
摘要： A hard disk drive utilizes a spacer ring at its inner diameter to load and unload the read/write heads. During relatively small shock events, the actuator is retained relative to the disk through a circumferential groove in the spacer ring. A complementary protrusion on the load/unload tab extends from the actuator into the groove to complete the retention. A tribological coating on the spacer ring and/or protrusion significantly reduces wear therebetween. However, during large shock events an inertial latch is used by the system to hold the actuator in place.

38. 发明授权

US06459550B1 Active damping control for a disk drive 有权
标题翻译：磁盘驱动器的主动阻尼控制
公开(公告)号：US06459550B1
公开(公告)日：2002-10-01
申请号：US09677422
申请日：2000-10-02
申请人： Donald Ray Gillis , Mike Suk
发明人： Donald Ray Gillis , Mike Suk
IPC分类号： G11B2112
CPC分类号： G11B5/54 , G11B21/12
摘要： An active damping control for a disk drive includes an i.d. crash stop and an o.d. crash stop which constrain the motion of an actuator arm. Each crash stop includes an inner core manufactured from a material that generates current when mechanically strained. The inner core of each crash stop is connected to a circuit that includes an energy dissipating element that dissipates energy received from either crash stop. Thus, when the actuator arm collides with either crash stop, the rebound of the actuator arm off the crash stop is minimized.
摘要翻译：磁盘驱动器的主动阻尼控制包括i.d. 碰撞停止和o.d. 碰撞停止，限制致动器臂的运动。每个碰撞停止都包括一个内芯，该内芯由在机械应变时产生电流的材料制成。每个碰撞停止器的内核连接到一个电路，该电路包括消散从任一个碰撞停止点接收到的能量的能量消散元件。因此，当致动器臂与碰撞停止相撞时，致动器臂离开碰撞停止的反弹最小化。

39. 发明授权

US6084753A Method and apparatus for removing debris from a slider in a disk drive using load/unload technology 失效
标题翻译：使用加载/卸载技术从磁盘驱动器中的滑块去除碎屑的方法和装置
公开(公告)号：US6084753A
公开(公告)日：2000-07-04
申请号：US778185
申请日：1997-01-02
申请人： Donald Ray Gillis , Mike Suk
发明人： Donald Ray Gillis , Mike Suk
IPC分类号： G11B5/41 , G11B5/54 , G11B33/14
CPC分类号： G11B5/41
摘要： The present invention provides a method and load/unload structure for implementation in a disk drive, whereby debris is prevented from accumulating on the surface of an air bearing slider by moving the slider ABS across a stationary cleaning pad formed integrally with the ramp structure during loading and unloading. As a first aspect of the invention, space at the disk perimeter is used efficiently by providing a stationary cleaning surface integral to the ramp structure. As another aspect of the invention, cleaning may be enhanced by dithering the slider across the stationary pad, e.g., at selected resonant frequencies, to remove a larger volume of debris. As yet another aspect of the invention, baffling may be provided in the disk drive interior to channel the airflow generated by the disk such that it is directed over the cleaning pad in the direction of an air filter.
摘要翻译：本发明提供一种用于在盘驱动器中实现的方法和加载/卸载结构，由此通过在加载期间将滑块ABS移动通过与斜坡结构一体形成的固定清洁垫而防止碎片积聚在空气轴承滑块的表面上卸货。作为本发明的第一方面，通过提供与斜坡结构成一体的静止清洁表面，有效地利用了盘周边的空间。作为本发明的另一方面，可以通过例如在选定的谐振频率下使滑块横跨静止垫片抖动来增强清洁，以去除更大体积的碎片。作为本发明的另一方面，可以在盘驱动器内部设置障碍物以引导由盘产生的气流，使得其沿着空气过滤器的方向被引导到清洁垫上。

40. 发明授权

US5959801A Stiction reduction in disk drives using heating 失效
标题翻译：使用加热的磁盘驱动器的磁滞减少
公开(公告)号：US5959801A
公开(公告)日：1999-09-28
申请号：US956255
申请日：1997-10-22
申请人： Donald Ray Gillis , Mike Suk , Bond-Yen Ting
发明人： Donald Ray Gillis , Mike Suk , Bond-Yen Ting
IPC分类号： G11B5/60 , G11B21/02 , G11B5/56
CPC分类号： G11B5/6005
摘要： An arrangement for reducing the stiction bond at power-up time between an slider parked on a disk or other magnetic recording medium. A thermally expansive medium such as alumina is included in the slider body thermally adjacent to the write element. At power-up time or when a failure of the disk, etc. to rotate is detected during startup, a current is applied to the write element. The volume expansion resulting from the heat causes a change in the shape and/or location of the slider surface in contact with the disk and thereby breaks or reduces the slider/disk stiction bond.
摘要翻译：一种用于在停放在盘或其它磁记录介质上的滑块之间的加电时间减小粘结的装置。热膨胀介质如氧化铝被包括在与写入元件热相邻的滑块体中。在上电时，或者当在启动期间检测到磁盘等的旋转故障时，电流被施加到写入元件。由于热引起的体积膨胀导致与盘接触的滑块表面的形状和/或位置的变化，从而破坏或减少滑块/磁盘粘结。

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