Patent ID: 8082562
Filing Date: 2011-12-20
Classification: G11B,H02K

Abstract:
1. A spindle motor comprising: a base; a bearing housing supported on the base; a bearing provided within the bearing housing; a rotating shaft rotatably supported by the bearing; a stator including a core fixed to the bearing housing and coils wound around the core; a rotor including a rotor yoke fixed to the rotating shaft, and a first magnet installed on the rotor yoke facing the stator; a turntable positioned on the rotor yoke, rotating together with the rotating shaft; a center guide member coupled to the rotating shaft at an upper side of the turntable; an elastic member disposed between the turntable and the center guide member for elastically supporting the center guide member, wherein the center guide member comprises: wherein a first portion of the plate adjacent to the rotating shaft is thicker than a second portion of the plate adjacent to the wall, wherein the turntable includes: