Micro actuator
    61.
    发明授权
    Micro actuator 失效
    微型执行器

    公开(公告)号:US5489812A

    公开(公告)日:1996-02-06

    申请号:US233486

    申请日:1994-04-26

    摘要: A device for providing micro positioning having an operating range in the submicron order in the X and Y directions, respectively. Positioning is achieved by a device which includes a driving section bonded to a silicon wafer for applying a driving force to excite vertical motion, and a mechanism for converting this vertical motion into rotational motion. Three types of micro actuators are described herein: one, that uses vibration as its driving force; a second, that uses Coulomb's force; and a third, that utilizes fluid pressure, such as air.

    摘要翻译: 一种用于提供微定位的装置,其分别在X和Y方向上具有亚微米级的工作范围。 定位是通过一种装置实现的,该装置包括结合到硅晶片的驱动部分,用于施加驱动力以激发垂直运动,以及用于将该垂直运动转换成旋转运动的机构。 这里描述了三种微型致动器:一种是使用振动作为其驱动力; 一秒钟,使用库仑的力量; 第三个,利用流体压力,如空气。

    Micro-actuator
    62.
    发明授权
    Micro-actuator 失效
    微执行器

    公开(公告)号:US5418418A

    公开(公告)日:1995-05-23

    申请号:US191679

    申请日:1994-02-04

    摘要: A micro-actuator suitable for a piezoelectric film is described. A slow deformation and a rapid deformation are repeatedly produced in a piezoelectric film by generating a first voltage pattern V1 having an essentially sawtooth waveform between a pair of electrodes on one side of a wall-like member and a second voltage pattern V2 having an opposite polarity to that of the first voltage pattern V1 between a pair of electrodes on the other side of the wall-like member. As a result, the wall-like member responds by moving slowly in a first direction and rapidly in a second direction. An object placed on the wall-like member is moved in the first direction, because the object can follow the slow movement of the wall-like member but cannot follow its rapid movement.

    摘要翻译: 描述了适用于压电薄膜的微致动器。 通过在壁状部件的一侧产生一对电极之间具有基本锯齿波形的第一电压图案V1和具有相反极性的第二电压图案V2,在压电膜中重复产生缓慢变形和快速变形 与壁状部件的另一侧的一对电极之间的第一电压图案V1的电压图案相同。 结果,壁状构件通过在第一方向上缓慢地移动并且在第二方向上快速地进行响应。 放置在壁状构件上的物体在第一方向上移动,因为物体可以跟随壁状构件的缓慢移动,但不能跟随其快速移动。

    Method and structure for improving performance and storage density in a data storage device
    65.
    发明授权
    Method and structure for improving performance and storage density in a data storage device 有权
    用于提高数据存储设备中的性能和存储密度的方法和结构

    公开(公告)号:US08953266B2

    公开(公告)日:2015-02-10

    申请号:US13593991

    申请日:2012-08-24

    IPC分类号: G11B5/54

    摘要: A data storage device with improved data storage densities, coupled with lower hard error and write-inhibit events is described. A feed-forward write inhibit (FFWI) method enables data tracks to be written more densely. Alternatively, the FFWI method may reduce the hard error and write inhibit events to improve data storage performance. A concept of virtual tracks enables the FFWI method to be applied to the writing of circular data tracks with non-circular servo tracks, or to the writing of non-circular data tracks with PES data from circular servo tracks—in both cases, improvements to performance and/or storage densities are enabled. The FFWI method may also be applied to the case of both non-circular servo and data tracks.

    摘要翻译: 描述了具有改进的数据存储密度以及更低的硬错误和禁止写入事件的数据存储设备。 前馈写禁止(FFWI)方法使数据轨道更加密集地写入。 或者,FFWI方法可以减少硬错误和写禁止事件以提高数据存储性能。 虚拟轨道的概念使得FFWI方法可以应用于用非圆形伺服轨迹写入圆形数据轨道,或者用于从圆形伺服轨迹写入具有PES数据的非圆形数据轨迹 - 在这两种情况下,改进 性能和/或存储密度启用。 FFWI方法也可以应用于非圆形伺服和数据轨道的情况。

    Disk drive with write clock frequency compensation for external vibration disturbance
    66.
    发明授权
    Disk drive with write clock frequency compensation for external vibration disturbance 有权
    具有写时钟频率补偿的磁盘驱动器,用于外部振动干扰

    公开(公告)号:US08908316B2

    公开(公告)日:2014-12-09

    申请号:US13373970

    申请日:2011-12-05

    IPC分类号: G11B21/02 G11B5/596

    CPC分类号: G11B5/5582 G11B5/59694

    摘要: A disk drive is described that uses a vibration sensor to generate a compensating feed-forward control signal to synchronize the write clock frequency with the modulated data island frequency. A linear vibration sensor is positioned with its sensitivity axis aligned with the tangential direction of a track at the radial position of the write head. The tangential component of the external linear vibration is measured by the sensor. The feed-forward control signal derived from the linear vibration sensor modifies the control voltage input to VCO (voltage controlled oscillator) in the write clock generator to adjust the write clock frequency to compensate for the modulated data island frequency caused by the tangential component of the linear vibration.

    摘要翻译: 描述了一种磁盘驱动器,其使用振动传感器来产生补偿前馈控制信号,以使写时钟频率与调制数据岛频率同步。 定位线性振动传感器,其灵敏度轴与写头的径向位置处的轨道的切线方向对齐。 外部线性振动的切向分量由传感器测量。 从线性振动传感器导出的前馈控制信号修改输入到写时钟发生器中的VCO(压控振荡器)的控制电压,以调整写入时钟频率,以补偿由调制的数据岛频率引起的调制数据岛频率 线性振动。

    System and method of synchronized writing on bit patterned media with read-write offset
    67.
    发明授权
    System and method of synchronized writing on bit patterned media with read-write offset 有权
    在具有读写偏移的位图形媒体上同步写入的系统和方法

    公开(公告)号:US08773796B2

    公开(公告)日:2014-07-08

    申请号:US13204360

    申请日:2011-08-05

    IPC分类号: G11B5/09

    摘要: A system and method of establishing write timing in a disk drive using bit patterned media and a magnetic head with read-write offset in which servoing and writing occur on different tracks with timing offsets. Initially, the distance between the servoing and writing tracks is determined for each track/head position in accordance with head geometry and skew angle. The relative timing errors are then measured by iteratively writing data at timing offset increments to determine the optimal timing offset for the servoing/writing track pair, and then writing the offset to sync fields on the servoing tracks of the disk.

    摘要翻译: 使用位图案化介质在磁盘驱动器中建立写时序的系统和方法以及具有读写偏移的磁头,其中伺服和写入在具有定时偏移的不同轨道上发生。 首先,根据头部几何和倾斜角度,为每个轨道/头部位置确定伺服和写入轨迹之间的距离。 然后通过以定时偏移增量迭代地写入数据来测量相对定时误差,以确定伺服/写入磁道对的最佳定时偏移,然后将偏移写入到磁盘的伺服磁道上的同步字段。

    System, method and apparatus for enhanced cleaning and polishing of magnetic recording disk
    68.
    发明授权
    System, method and apparatus for enhanced cleaning and polishing of magnetic recording disk 有权
    用于增强磁记录盘清洁和抛光的系统,方法和装置

    公开(公告)号:US08727832B2

    公开(公告)日:2014-05-20

    申请号:US13246101

    申请日:2011-09-27

    IPC分类号: B24B1/00

    CPC分类号: B24B37/046

    摘要: Cleaning or polishing magnetic recording media (MRM) may comprise mounting and rotating the MRM on a spindle; circulating a tape adjacent to a surface of the MRM; and applying an electrostatic (ES) voltage to the tape and attracting particles located on the MRM to the tape. The ES voltage may apply an ES load to the tape to force the tape into contact with the surface of the MRM. No mechanical load may be applied to the tape to force the tape into contact with the surface of the MRM. Additionally, a mechanical load may be applied to the tape to force the tape into contact with the surface of the MRM.

    摘要翻译: 清洁或抛光磁记录介质(MRM)可能包括将MRM安装和旋转在主轴上; 使邻近MRM表面的磁带循环; 并向磁带施加静电(ES)电压并将位于MRM上的颗粒吸引到磁带上。 ES电压可以将ES负载施加到带上以迫使带与MRM的表面接触。 可能不会对带子施加机械载荷以迫使胶带与MRM的表面接触。 此外,机械负载可以施加到带子上以迫使带与MRM的表面接触。

    Head-gimbal assembly, microactuator, and manufacturing method of the microactuator
    69.
    发明授权
    Head-gimbal assembly, microactuator, and manufacturing method of the microactuator 有权
    微型致动器的万向节组件,微型致动器和制造方法

    公开(公告)号:US08427783B2

    公开(公告)日:2013-04-23

    申请号:US12622093

    申请日:2009-11-19

    IPC分类号: G11B5/60

    CPC分类号: G11B5/4826 G11B5/4873

    摘要: A head-gimbal assembly. The head-gimbal assembly includes a suspension, a microactuator disposed on the suspension, and a head-slider bonded to the microactuator. The head-gimbal assembly further includes a connection pad disposed on the suspension, a connection pad disposed on the microactuator and formed over an edge between a side surface and a top surface of the microactuator to have a bend portion with an obtuse angle, and a metallic interconnection joint for interconnecting the connection pad of the suspension with the connection pad of the microactuator.

    摘要翻译: 一个万向节头组件。 头部万向节组件包括悬架,设置在悬架上的微型致动器和粘结到微型致动器的头部滑块。 头部万向节组件还包括设置在悬架上的连接垫,设置在微致动器上并形成在微致动器的侧表面和顶表面之间的边缘上以具有钝角的弯曲部分的连接垫,以及 金属互连接头,用于将悬架的连接垫与微致动器的连接垫相互连接。

    METHOD FOR CREATING BURST MAGNITUDE SERVO PATTERNS WITH UNIPOLAR BITS ON A MAGNETIC MEDIA OF A MAGNETIC DATA RECORDING SYSTEM
    70.
    发明申请
    METHOD FOR CREATING BURST MAGNITUDE SERVO PATTERNS WITH UNIPOLAR BITS ON A MAGNETIC MEDIA OF A MAGNETIC DATA RECORDING SYSTEM 有权
    用于在磁数据记录系统的磁介质上创建具有单极位置的脉冲波形伺服模式的方法

    公开(公告)号:US20130083420A1

    公开(公告)日:2013-04-04

    申请号:US13249041

    申请日:2011-09-29

    IPC分类号: G11B15/52 G11B5/82

    CPC分类号: G11B5/59688 G11B5/59655

    摘要: A magnetic data storage system having a magnetic disk having burst patterns for providing a position error signal (PES) wherein each magnetic burst pattern is offset from an adjacent burst pattern by ¼ track pitch. All of the magnetic bits of the burst patterns can be unipolar magnetized, and the bits of each burst pattern can be aligned with one another in radial and circumferential direction. The magnetic media can be a bit patterned media wherein the magnetic bits of the burst patterns are magnetically isolated portions separated by non-magnetic spaces or non-magnetic material.

    摘要翻译: 一种磁数据存储系统,具有具有用于提供位置误差信号(PES)的脉冲串模式的磁盘,其中每个磁脉冲串模式从相邻脉冲串模式偏移1/4声道间距。 突发图案的所有磁位可以是单极磁化的,并且每个突发图案的位可以在径向和圆周方向上彼此对准。 磁介质可以是位图形介质,其中突发图案的磁位是被非磁性空间或非磁性材料隔开的磁隔离部分。