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    • 55. 发明授权
    • ABS with a lubrication control dam for hard disk drives
    • ABS带有用于硬盘驱动器的润滑控制水坝
    • US08289653B2
    • 2012-10-16
    • US12707484
    • 2010-02-17
    • Weidong Huang
    • Weidong Huang
    • G11B21/21G11B17/32G11B5/60
    • G11B5/6005
    • A method and apparatus for controlling lubrication in hard disk drives. Hard disk drives often include lubrication on the disks to protect the disks from incidental contact with the head slider. Embodiments of the invention include lubrication control surfaces or dams on the air bearing surface (ABS) of the head slider. The dams redirect air flow on the ABS and/or redirects excess lubrication that migrates from the disk to the head slider. By redirecting excess lubrication, the lubrication control dams remove and/or store the lubrication and avoid failure that may occur as a result of the lubrication interfering with the ABS or the read/write elements of the head.
    • 一种控制硬盘驱动器润滑的方法和装置。 硬盘驱动器通常包括磁盘上的润滑,以防止磁盘与磁头滑块偶然接触。 本发明的实施例包括在头部滑块的空气轴承表面(ABS)上的润滑控制表面或坝。 大坝将ABS上的气流重定向到和/或重新定向从盘移动到磁头滑块的多余的润滑。 通过重新定向多余的润滑,润滑控制器可以去除和/或存储润滑,并避免由于润滑干扰ABS或读/写头元件而导致的故障。
    • 57. 发明申请
    • HEAD WITH ALTITUDE RESISTANT AIR-BEARING SURFACE
    • 具有耐高温空气轴承表面的头部
    • US20120154953A1
    • 2012-06-21
    • US12972201
    • 2010-12-17
    • Lee DoriusWeidong Huang
    • Lee DoriusWeidong Huang
    • G11B17/32
    • G11B5/6082G11B5/6076
    • Approaches for a head slider for use within a hard-disk drive. The head slider comprises an air bearing surface (ABS) and an electromagnetic transducer disposed at an air outflow end of the air bearing surface. The air bearing surface comprises a slit feature that is present prior to the electromagnetic transducer in the direction of air flow. The physical dimensions of the slit feature are designed to lower an amount of pressure required for a protrusion of the head slider to detect a surface of a magnetic-recording disk. The air bearing surface may further comprise an optional hollow recess prior to the slit feature in the direction of air flow. The size and the shape of the hollow recess are designed to decrease a change in a fly height of the head slider in response to a change in altitude of the hard-disk drive.
    • 硬盘驱动器中使用的磁头滑块的方法。 磁头滑块包括空气轴承表面(ABS)和设置在空气轴承表面的空气流出端处的电磁换能器。 空气轴承表面包括在空气流动方向上存在于电磁换能器之前的狭缝特征。 狭缝特征的物理尺寸被设计成降低磁头滑块的突出部以检测磁记录盘的表面所需的压力量。 在空气流动方向上的狭缝特征之前,空气轴承表面还可以包括可选的中空凹部。 中空凹槽的尺寸和形状被设计成响应于硬盘驱动器的高度变化而减小磁头滑块的飞行高度的变化。
    • 60. 发明授权
    • Slider with an air bearing surface and related topography
    • 滑块带有空气轴承表面和相关的地形
    • US08089729B2
    • 2012-01-03
    • US12250597
    • 2008-10-14
    • Weidong Huang
    • Weidong Huang
    • G11B5/60
    • G11B5/6005G11B5/6082
    • A slider for use with disk drive data storage devices includes a topography that defines features of the slider. The features facilitate in controlling fly-height and/or inhibiting lubricant accumulation on the slider. For example, a trailing air bearing surface of the slider may be formed around a multi-stepped channel that adjusts the fly-height. Further, a shallow shelf behind an air bearing surface and/or curved edges of the features to alter stagnation may contribute to at least inhibiting lubricant collection on the slider.
    • 用于与磁盘驱动器数据存储设备一起使用的滑块包括定义滑块的特征的形状。 这些特征有助于控制飞行高度和/或抑制滑块上的润滑剂积聚。 例如,可以在调整飞行高度的多步骤通道周围形成滑块的尾部空气支承表面。 此外,空气轴承表面后面的浅架和/或特征的弯曲边缘以改变停滞可能有助于至少阻止滑块上的润滑剂收集。