| 摘要 |
PURPOSE: A hard disk is provided to prevent the damage of a head and prevent loss of data recorded at a data zone by discharging particles existing at a parking zone out of the hard disk and removing heat due to fast rotation of a spindle motor. CONSTITUTION: A hard disk(40) includes a parking zone(42) formed at a circumference of an area to which a spindle motor is inserted, and a data zone(44) formed at a circumference of the parking zone. A plurality of passages(50) are connected to the outside of the hard disk from the parking zone passing through the data zone between an upper surface and a lower surface. A plurality of holes(52) are formed at the parking zone, being connected with the plurality of passages, so that particles existing at the parking zone are discharged out of the hard disk through the plurality of passages in the middle of rotating the hard disk.
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