| 摘要 |
PROBLEM TO BE SOLVED: To provide a disk device capable of suppressing vibration caused in a sub-base having a spindle motor, a head, or the like loaded, by the unbalance of a disk, and thus performing stable recording or reproducing. SOLUTION: On the center gravity G2 of a balance weight 32 supported on a clamper 31 so as to be moved in a±X or Y direction, the centrifugal force F2 of a direction opposite F1 is applied around a vibration center P1 against the unbalance force F1 of the gravity center G1 of a disk 1, and thus the unbalance F1 is canceled.
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