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    Glide testing of disks with calibration confirmation testing by inducing collision of the slider with production disk surface
    1.
    发明申请
    Glide testing of disks with calibration confirmation testing by inducing collision of the slider with production disk surface 失效
    通过引导滑块与生产磁盘表面的碰撞，通过校准确认测试来滑动测试磁盘

    公开(公告)号：US20060042073A1

    公开(公告)日：2006-03-02

    申请号：US10931316

    申请日：2004-08-31

    申请人： Bradley Baumgartner ,  Norman Chu ,  Patricia Galindo ,  Hang Ngo ,  Yu Lo ,  Nalin Zhou

    发明人： Bradley Baumgartner ,  Norman Chu ,  Patricia Galindo ,  Hang Ngo ,  Yu Lo ,  Nalin Zhou

    IPC分类号： H01F41/02 ,  G12B13/00

    CPC分类号： G11B5/455 ,  G11B5/6005 ,  G11B5/6076 ,  G12B13/00 ,  Y10T29/49069 ,  Y10T29/49771

    摘要： A method is presented for glide testing a disk which tests the glide head fly-height by inducing a collision between the glide head and a disk under test. The glide test system is initially calibrated using calibration disks. The method of the invention periodically tests the calibration without interrupting the production testing by lowering the rotation rate until glide head collides with the rotating disk surface. The rotation rate at which the collision occurs is then compared with the value expected based on knowledge of disk samples and the initial calibration. Parameters for acceptable high and low values are established to detect changes in the glide test system performance to trigger automatic or manual recalibration.

    摘要翻译： 提出了一种用于滑行测试的方法，其通过引起滑动头和被测盘之间的碰撞来测试滑翔头飞行高度。 滑行测试系统最初使用校准盘校准。 本发明的方法周期性地测试校准，而不会通过降低旋转速率来中断生产测试，直到滑动头与旋转盘表面碰撞。 然后将碰撞发生的旋转速率与基于磁盘样本知识和初始校准的预期值进行比较。 建立可接受的高低值参数，以检测滑行测试系统性能的变化，以触发自动或手动重新校准。