| 摘要 |
<p>A hard disk drive including a pair of disk groups (11,12) arranged on the same plane so as to be rotated by a spindle motor (301) installed in a base frame (10), each group (11,12) having at least one stacked disk; and first and second head portions (310,320), each having at least one magnetic heads (h) for independently recording/reproducing information on a respective disk group (11,12). <IMAGE></p> |
