Spindle motor

Details Spindle motor Spindle motor

1996-05-06

1998-08-04

Dougherty, Thomas M.

Electrical generator or motor structure

Dynamoelectric

Rotary

310268, 310 42, 310 91, 310DIG6, 310254, H02K 106, H02K 346

Patent

active

057898340

ABSTRACT:
A spindle motor includes a printed wiring board. A stator is fixed to the printed wiring board. A housing is fixed to the printed wiring board. A bearing is provided on the housing. A rotor shaft is rotatably supported by the bearing. A hub base is mounted on the rotor shaft. A stator winding provided on the stator is bonded to the printed wiring board. The stator may have an inner circumferential portion formed with a plurality of grooves. In this case, it is preferable that the printed wiring board has a plurality of through holes at positions corresponding to positions of the grooves in the stator.

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