| 摘要 |
According to one embodiment, a storage device includes at least one storage disk fixed to a hub mounted on a motor by a disk fixing mechanism, and a head configured to read and write information from and to the storage disk. The disk fixing mechanism includes a clamp ring, including a mounting hole on an inner peripheral side thereof through which the clamp ring is attached to the hub by a screw and a pressing portion for pressing the disk and a balance adjustment recess on an outer peripheral side thereof, and a balance wire attached to the balance adjustment recess. A first portion from the inner peripheral side to the pressing portion of the clamp ring and a second portion with the balance adjustment recess are formed of different materials.
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