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    • 62. 发明授权
    • Information recording apparatus
    • 信息记录装置
    • US5930066A
    • 1999-07-27
    • US917696
    • 1997-08-26
    • Kou IshizukaHidejiro KadowakiNaoki KawamataHiroyuki HagiwaraJun Ashiwa
    • Kou IshizukaHidejiro KadowakiNaoki KawamataHiroyuki HagiwaraJun Ashiwa
    • G11B21/10G11B5/55G11B5/596G11B7/00
    • G11B5/5534G11B5/59633
    • An apparatus records information on a hard disk with a magnetic head arm provided in a hard disk drive. The apparatus comprises an interference measuring system, containing an outgoing portion for a measuring light beam to the arm and a reference light forming portion, for obtaining relative displacement information with respect to the arm by interfering the reference light with reflected light of the measuring light from the arm or a slider belonging to the arm, the interference measuring system having a light beam deflecting member for deflecting the measuring light and thus guiding the measuring light to a lateral surface of the arm or of the slider, a control system for generating a signal for positioning the arm with respect to the hard disk on the basis of the relative displacement information obtained by the interference measuring system, and a signal system for transmitting a signal for recording information on the hard disk to the magnetic head.
    • 设备在硬盘上记录有设置在硬盘驱动器中的磁头臂的信息。 该装置包括干涉测量系统,其包含用于测量光束到臂的出射部分和参考光形成部分,用于通过干涉参考光与来自测量光的反射光的相对位移信息来获得相对于臂的相对位移信息 所述臂或属于所述臂的滑块,所述干涉测量系统具有用于偏转所述测量光的光束偏转构件,并且因此将所述测量光引导到所述臂或所述滑块的侧表面;控制系统,用于产生信号 用于基于由干涉测量系统获得的相对位移信息相对于硬盘定位臂;以及信号系统,用于将用于将信息记录在硬盘上的信号发送到磁头。