Patent ID: 6545382
Filing Date: 2003-04-08
Classification: H02K

Abstract:
A spindle motor for use in a disk drive, the spindle motor comprising:a spindle motor rotor defining a central axis, the spindle motor rotor including: a first plate defining a circular first plate periphery disposed about the central axis; a second plate defining a circular second plate periphery disposed about the central axis; and a magnet defining a circular periphery disposed about the central axis between and parallel to the first and second plates; and a stator including: a plurality of magnetic flux guides distributed radially about the spindle motor rotor, each magnetic flux guide including: a U-shaped guide body; a first end extending from the guide body and terminating at a first tooth face disposed adjacent the first plate periphery; and a second end extending from the guide body opposite the first end and terminating at a second tooth face disposed adjacent the second plate periphery, the second end being angularly off-set about the central axis with respect to the first end.