| 摘要 |
A spindle motor includes a shaft arranged concentric with as a central axis and extending in a vertical direction, a rotor unit arranged to rotate about the central axis, a stator including a base member and a magnetic member fixed to the base member and axially opposed to the magnet. The magnetic member includes an opposing portion axially opposed to the magnet so that a magnetic attracting force is generated between the opposing portion and the magnet and a protrusion portion protruding downwards from the opposing portion. The base member includes a recess portion, and the protrusion portion of the magnetic member is fixed within the recess portion.
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