| 摘要 |
PURPOSE: A spindle motor is provided to improve a problem of defects which are caused by the degradation of a rotatory property. CONSTITUTION: A spindle motor comprises a stator (10), an armature (20), and a rotor (30). The stator comprises a shaft (11). The armature comprises a core (21) which is provided on the stator. The rotor comprises a bearing (31), a rotor case (32), and a main magnet (33). |
