Patent ID: 6982513
Filing Date: 2006-01-03
Classification: H02K,Y10T

Abstract:
1. A recording disk drive motor employed in a recording disk drive that supports and rotates a replaceable recording disk that is 30 mm or less in diameter, the recording disk drive motor comprising: a stationary member which comprises: a rotor which comprises: a sliding bearing that is cylindrical in shape, has a through hole formed along a rotational axis of the rotor, and rotatably supports rotation of the rotor in the radial direction; wherein the sliding bearing is concentric with the arc shaped inner surface of the core back, and the rotor is magnetically attracted in the opposite direction of the port of the core back; and one end surface of the core back is disposed on each side of the port, and a distance between each end surface of the core back is equal to a distance on the arc shaped inner surface of the core back on which at least one stator tooth from each phase are disposed.