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    • 4. 发明授权
    • Induction of magnetic bias in a magnetic recording disk
    • 感应磁记录盘中的磁偏置
    • US08339724B2
    • 2012-12-25
    • US12917837
    • 2010-11-02
    • Lidu HuangCharles Leverne Taylor, Jr.Fu-Ying HuangStephen Leonard Schmidt
    • Lidu HuangCharles Leverne Taylor, Jr.Fu-Ying HuangStephen Leonard Schmidt
    • G11B5/03
    • G11B5/0245H01F13/006
    • Approaches for inducing a magnetic bias in a magnetic recording disk. A biasing apparatus comprises a soft magnetic material member having a shape comprising two opposing recesses, denoted an upper recess and a lower recess. A first magnet is disposed within the upper recess and a second magnet disposed within the lower recess. An air gap exists between the first magnet and the second magnet. An opening in the soft magnetic material member is sized to accommodate at least a portion of the magnetic recording disk between the first magnet and the second magnet. The magnetic field produced by both the first magnetic and the second magnetic flows (a) in the same direction, and (b) perpendicular to the plane of the magnetic recording disk. Using this approach, magnetic material on the disk, such as magnetic islands of a bit pattern media, may be erased and polarized in the same direction.
    • 在磁记录盘中引起磁偏置的方法。 偏置装置包括具有包括两个相对凹部的形状的软磁材料构件,其表示为上凹部和下凹部​​。 第一磁体设置在上凹部内,第二磁体设置在下凹部内。 在第一磁体和第二磁体之间存在气隙。 软磁性材料构件中的一个开口的尺寸设置成容纳至少一部分磁记录盘在第一磁体和第二磁体之间。 由第一磁性和第二磁性二者产生的磁场在相同的方向(a)流动,(b)垂直于磁记录盘的平面。 使用这种方法,磁盘上的磁性材料(例如位图形介质的磁岛)可以沿相同方向被擦除和极化。
    • 5. 发明申请
    • DISK STACK ASSEMBLY WITH SPINDLE MOTOR HUB HAVING IMPROVED DISK-SUPPORTING FLANGE
    • 具有改进的盘支撑法兰的主轴电机的磁盘堆叠组件
    • US20100232060A1
    • 2010-09-16
    • US12402476
    • 2009-03-11
    • Andrew HanlonFu-Ying HuangLidu HuangAntony NguyenHamid Salehizadeh
    • Andrew HanlonFu-Ying HuangLidu HuangAntony NguyenHamid Salehizadeh
    • G11B17/08
    • G11B17/0287
    • An improved disk stack assembly for a hard disk drive (HDD) includes a generally cylindrical hub with flange having a downward sloping conical flange surface. The conical flange surface is defined between a radially inner circular ridge and a radially outer circular edge. The bottom disk in the stack is in contact with the flange inner circular ridge. The disk stack assembly also includes a disk clamp with a contact surface having a contact rim that is in contact with either the radially inner portion of the top disk in the stack or a spacer ring. The clamp contact rim is located at approximately the same radial distance from the hub's central cylindrical axis as the flange circular ridge so that the clamping force is applied to the disks close to the area where the disk stack is supported on the conical flange surface.
    • 用于硬盘驱动器(HDD)的改进的磁盘堆组件包括具有凸缘的大致圆柱形的毂,其具有向下倾斜的锥形凸缘表面。 锥形凸缘表面限定在径向内圆形脊与径向外圆形边缘之间。 堆叠中的底盘与凸缘内圆脊接触。 磁盘堆叠组件还包括具有接触表面的磁盘夹具,该接触表面具有接触边缘,该接触边缘与堆叠中的顶部盘的径向内部部分或间隔环接触。 夹紧接触边缘位于与轮毂的中心圆柱形轴线大致相同的径向距离处,该距离与凸缘圆形脊相同,使得夹紧力被施加到靠近圆盘凸缘表面上的盘堆叠区域附近的盘。
    • 7. 发明授权
    • Method of manufacturing a hard-disk drive using a bulk eraser
    • 使用批量橡皮擦制造硬盘驱动器的方法
    • US08027116B2
    • 2011-09-27
    • US12337595
    • 2008-12-17
    • Lidu HuangFu-Ying Huang
    • Lidu HuangFu-Ying Huang
    • G11B5/02G11B5/23G11B5/29
    • G11B5/0245
    • A method of manufacturing of a hard-disk drive using a bulk eraser for erasing recorded information on a magnetic-recording disk. The method includes providing a bulk eraser that produces magnetic-flux density in a gap sufficient to erase recorded information from a magnetic-recording disk, a hard-disk drive, a disk-stack having at least one magnetic-recording disk, and a drive motor for rotating the magnetic-recording disk. The method also includes configuring a plurality of magnets and a structure of the bulk eraser such that magnetic-flux density is oriented parallel to and in a radial direction of the magnetic-recording disk; and rotating the magnetic-recording disk. The method further includes inserting the hard-disk drive into the gap of the bulk eraser; and erasing recorded information from the magnetic-recording disk located in the gap; and removing the hard-disk drive from the gap.
    • 一种使用批量擦除器制造硬盘驱动器的方法,用于擦除磁记录盘上的记录信息。 该方法包括提供一种批量擦除器,其在足以从磁记录盘,硬盘驱动器,具有至少一个磁记录盘的磁盘堆栈和驱动器中擦除记录的信息的间隙中产生磁通密度 用于旋转磁记录盘的电机。 该方法还包括配置多个磁体和本体橡皮擦的结构,使得磁通密度平行于磁记录盘的径向方向; 并旋转磁记录盘。 该方法还包括将硬盘驱动器插入批量橡皮擦的间隙中; 并从位于间隙中的磁记录盘擦除记录的信息; 并从间隙中取出硬盘驱动器。
    • 8. 发明授权
    • Bulk eraser including at least three magnets configured for erasing recorded information
    • 批量擦除器包括至少三个配置用于擦除记录信息的磁体
    • US07944640B2
    • 2011-05-17
    • US12337604
    • 2008-12-17
    • Lidu HuangFu-Ying Huang
    • Lidu HuangFu-Ying Huang
    • G11B5/03G11B15/10
    • G11B5/0245
    • A bulk eraser for erasing recorded information on a magnetic-recording disk. The bulk eraser includes at least three magnets and a structure magnetically coupled with the at least three magnets to produce magnetic-flux density in a gap. The gap has a first portion, a second portion and a third portion, such that a first magnet and a second magnet are disposed with opposing end poles across the first portion. The at least three magnets and the structure are configured to produce a magnetic-flux density in the second portion sufficient to erase recorded information from a portion of at least one magnetic-recording disk in a disk-stack when a hard-disk drive is inserted into the second portion. In addition, the at least three magnets and the structure are configured to direct the magnetic-flux density in a substantially radial direction of the portion of the magnetic-recording disk in the second portion.
    • 用于擦除磁记录盘上记录信息的批量橡皮擦。 本体橡皮擦包括至少三个磁体和与至少三个磁体磁耦合的结构,以在间隙中产生磁通密度。 间隙具有第一部分,第二部分和第三部分,使得第一磁体和第二磁体设置成跨过第一部分的相对端极。 所述至少三个磁体和所述结构被配置为在所述第二部分中产生足够的磁通密度,以便在插入硬盘驱动器时从盘堆叠中的至少一个磁记录盘的一部分擦除记录的信息 进入第二部分。 此外,至少三个磁体和结构构造成在第二部分中引导磁记录盘的部分的大致径向的磁通密度。
    • 9. 发明申请
    • BULK ERASER
    • 散装粉
    • US20100149717A1
    • 2010-06-17
    • US12337576
    • 2008-12-17
    • Lidu HuangFu-Ying Huang
    • Lidu HuangFu-Ying Huang
    • H01F13/00
    • G11B5/0245H01F7/0273H01F13/006
    • A bulk eraser for erasing recorded information on a magnetic-recording disk. The bulk eraser includes a plurality of magnets and a structure magnetically coupled with the plurality of magnets to produce magnetic-flux density in a gap. The gap has a first portion, a second portion and a third portion. Two magnets are disposed with opposing polarity across the first portion of the gap. The plurality of magnets and the structure are configured to produce a magnetic-flux density in the second portion of the gap sufficient to erase recorded information from a portion of at least one magnetic-recording disk in a disk-stack of the hard-disk drive when the hard-disk drive is inserted into the second portion of the gap. The plurality of magnets and the structure are configured to direct the magnetic-flux density in a substantially radial direction of the portion of the magnetic-recording disk.
    • 用于擦除磁记录盘上记录信息的批量橡皮擦。 本体橡皮擦包括多个磁体和与多个磁体磁耦合以在间隙中产生磁通密度的结构。 间隙具有第一部分,第二部分和第三部分。 两个磁体以间隙的第一部分相对的极性设置。 多个磁体和结构被配置为在间隙的第二部分中产生足够的磁通密度,以便从硬盘驱动器的磁盘堆叠中的至少一个磁记录盘的一部分擦除记录的信息 当硬盘驱动器插入间隙的第二部分时。 多个磁体和结构被构造成引导磁记录盘的该部分的大致径向的磁通密度。
    • 10. 发明申请
    • METHOD OF MANUFACTURING A HARD-DISK DRIVE USING A BULK ERASER
    • 使用散热器制造硬盘驱动器的方法
    • US20100149678A1
    • 2010-06-17
    • US12337595
    • 2008-12-17
    • Lidu HuangFu-Ying Huang
    • Lidu HuangFu-Ying Huang
    • G11B5/03
    • G11B5/0245
    • A method of manufacturing of a hard-disk drive using a bulk eraser for erasing recorded information on a magnetic-recording disk. The method includes providing a bulk eraser that produces magnetic-flux density in a gap sufficient to erase recorded information from a magnetic-recording disk, a hard-disk drive, a disk-stack having at least one magnetic-recording disk, and a drive motor for rotating the magnetic-recording disk. The method also includes configuring a plurality of magnets and a structure of the bulk eraser such that magnetic-flux density is oriented parallel to and in a radial direction of the magnetic-recording disk; and rotating the magnetic-recording disk. The method further includes inserting the hard-disk drive into the gap of the bulk eraser; and erasing recorded information from the magnetic-recording disk located in the gap; and removing the hard-disk drive from the gap.
    • 一种使用批量擦除器制造硬盘驱动器的方法,用于擦除磁记录盘上的记录信息。 该方法包括提供一种批量擦除器,其在足以从磁记录盘,硬盘驱动器,具有至少一个磁记录盘的磁盘堆栈和驱动器中擦除记录的信息的间隙中产生磁通密度 用于旋转磁记录盘的电机。 该方法还包括配置多个磁体和本体橡皮擦的结构,使得磁通密度平行于磁记录盘的径向方向; 并旋转磁记录盘。 该方法还包括将硬盘驱动器插入批量擦除器的间隙中; 并从位于间隙中的磁记录盘擦除记录的信息; 并从间隙中取出硬盘驱动器。