| 摘要 |
PROBLEM TO BE SOLVED: To improve silence while maintaining thinned make and high speed, with a disk drive device which can prevent vibration generating in the stator coil itself and the chassis, and reduces noise accompanied by it. SOLUTION: In the disk drive device 41, which has the chassis 47; a cylinder- like hub 45 rotatably supported by the chassis 47; a ring-like rotor magnet 55 fixed to the inner periphery of the hub 45; and a stator core 59 fixed to the chassis 47, winding a stator coil 57 and disposed in and facing the inner periphery of the rotor magnet 55, the stator coil 57 and the stator core 59 are integrally plastic-molded; and are fixed to the chassis 47.
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