| 摘要 |
A magnetic disk apparatus includes a magnetic disk, a spindle motor for rotation of the magnetic disk, and a slider formed with a magnetic head for information reading or writing with respect to the magnetic disk. The slider is arranged to float above the surface of the magnetic disk when the disk is rotating. The magnetic disk apparatus also includes a swing arm for supporting and moving the slider above the magnetic disk, and a ramp disposed adjacent to the outer circumference of the magnetic disk for holding the slider at a withdrawal position which is spaced away from the surface of the magnetic disk. For an information leakage prevention, a hitting mechanism is provided, which is arranged to hit the slider held at the withdrawal position.
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