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    • 8. 发明授权
    • Slider of a disk drive having data favorable load/unload attitude
    • 具有数据有利负载/卸载姿态的磁盘驱动器的滑块
    • US09142237B1
    • 2015-09-22
    • US11441645
    • 2006-05-26
    • Bernhard HillerDavid M. Sigmond
    • Bernhard HillerDavid M. Sigmond
    • G11B21/02G11B5/60
    • G11B5/6058G11B5/6029G11B21/12
    • A disk drive includes a drive housing, a storage disk, a head suspension assembly, an actuator assembly and a controller. The storage disk has a disk surface including a data region that stores data. In one embodiment, the head suspension assembly includes a slider and an attitude adjuster. The slider has an inner side edge, an outer side edge and a data transducer. The attitude adjuster can adjust a roll attitude and/or a pitch attitude of the slider relative to the disk surface. The slider moves between a first position wherein the data transducer is not positioned directly over the data region and a second position wherein the data transducer is positioned directly over the data region during one of a load operation and an unload operation. The controller controls an electrical signal to the attitude adjuster during one of the load operation and the unload operation to dynamically adjust the attitude of the slider. The attitude adjuster can include one or more piezoelectric elements that expand and/or contract to adjust the orientation of the slider relative to the storage disk.
    • 磁盘驱动器包括驱动器壳体,存储盘,磁头悬挂组件,致动器组件和控制器。 存储盘具有包括存储数据的数据区域的磁盘表面。 在一个实施例中,头悬挂组件包括滑块和姿态调节器。 滑块具有内侧边缘,外侧边缘和数据传感器。 姿态调节器可以相对于盘表面调节滑块的滚动姿态和/或俯仰姿态。 滑块在数据传感器不直接位于数据区域上的第一位置和第二位置之间移动,其中在负载操作和卸载操作期间,数据传感器直接位于数据区域上方。 在负载操作和卸载操作之一期间,控制器控制对姿态调节器的电信号,以动态地调节滑块的姿态。 姿态调节器可以包括一个或多个压电元件,其膨胀和/或收缩以调节滑块相对于存储盘的取向。
    • 9. 发明授权
    • Disk drive using seek profile to enhance fly height control
    • 磁盘驱动器使用查找配置文件来增强飞行高度控制
    • US06687081B1
    • 2004-02-03
    • US09570799
    • 2000-05-15
    • Matthew O'HaraDon BrunnetYu SunDavid M. Sigmond
    • Matthew O'HaraDon BrunnetYu SunDavid M. Sigmond
    • G11B5596
    • G11B5/5547G11B5/5534G11B5/6011
    • A disk drive uses seek profile manipulation to provide enhanced transducer fly height control. The maximum seek velocity that is used during a seek operation is made dependent upon, among other things, the direction associated with the seek operation (i.e., either radially inward or radially outward with respect to the disk). In a preferred embodiment, the maximum seek velocity in a direction that normally results in a fly height loss is made less than the maximum seek velocity in the opposite direction. Thus, a minimum transducer fly height can be maintained with minimal effect on average seek time in the disk drive. In one approach, the maximum seek velocity values are stored within a lookup table within the disk drive.
    • 磁盘驱动器使用查找配置文件操作来提供增强的换能器飞行高度控制。 在搜索操作期间使用的最大寻道速度取决于除了别的以外与寻道操作相关联的方向(即,相对于盘径向向内或径向向外)。 在优选实施例中,使通常导致飞高高度损失的方向上的最大寻道速度小于相反方向上的最大寻道速度。 因此,可以保持最小的传感器飞行高度,对磁盘驱动器中的平均寻道时间影响最小。 在一种方法中,最大寻道速度值存储在磁盘驱动器内的查找表中。