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    • 8. 发明授权
    • Seal for micro-electro-mechanical devices
    • 微电机械密封
    • US06590747B1
    • 2003-07-08
    • US09507136
    • 2000-02-18
    • Zine-Eddine BoutaghouWayne A. Bonin
    • Zine-Eddine BoutaghouWayne A. Bonin
    • G11B555
    • G11B5/5552
    • A sealed micro-actuator device for positioning a slider in a disc drive comprises a micro-actuator body, which includes a stator, a rotor, and a motor for moving the rotor with respect to the stator. The micro-actuator device includes means for sealing the micro-actuator body to prevent debris from reaching the motor. In a preferred embodiment, the means for sealing comprises a plurality of cavities formed in the micro-actuator body and an injection molded polymer seal with a plurality of protrusions that extend into the plurality of cavities. A first subset of the plurality of protrusions make contact with the stator, thereby holding the means for sealing in place. A second subset of the plurality of protrusions extend into cavities formed in the rotor. The second subset of protrusions does not contact the rotor. In an alternative preferred embodiment, a first and a second surface of the rotor are recessed from a first and a second surface of the stator, and the means for sealing comprises a first flexible film heat sealed to the first surface of the stator and a second flexible film heat sealed to the second surface of the stator. In another alternative embodiment, a sealed actuator is incorporated into a slider of a disc drive. The slider comprises a slider body, a data transfer element, and an actuator. The data transfer element transfers data to or from a magnetic medium. The actuator is coupled between the slider body and the data transfer element. The actuator is operable to move the data transfer element relative to the slider body. The slider includes sealing means to prevent debris from reaching the actuator.
    • 用于将滑块定位在盘驱动器中的密封微致动器装置包括微致动器本体,其包括定子,转子和用于相对于定子移动转子的电动机。 微致动器装置包括用于密封微致动器主体以防止碎片到达马达的装置。 在优选实施例中,用于密封的装置包括形成在微致动器本体中的多个空腔和具有延伸到多个空腔中的多个突起的注塑聚合物密封件。 多个突起的第一子集与定子接触,从而将用于密封的装置保持在适当位置。 多个突起的第二子集延伸到形成在转子中的空腔中。 突起的第二子集不接触转子。 在替代的优选实施例中,转子的第一和第二表面从定子的第一和第二表面凹入,并且用于密封的装置包括热密封到定子的第一表面的第一柔性膜, 热定形的第二表面热密封的柔性薄膜。 在另一替代实施例中,将密封的致动器并入盘驱动器的滑块中。 滑块包括滑块体,数据传送元件和致动器。 数据传输元件将数据传送到磁介质或从磁介质传送数据。 致动器联接在滑块体和数据传送元件之间。 致动器可操作以相对于滑块体移动数据传送元件。 滑块包括密封装置,以防止碎屑到达致动器。