Patent ID: 8607256

Claim:
A spindle motor, comprising: a base plate; a bearing housing coupled to the base plate; a rotating shaft connected to the bearing housing; a rotor coupled to the rotating shaft; a stator mounted on an outer surface of the bearing housing to rotate the rotor; a turntable including a body into which a through hole is formed for coupling with the rotating shaft, the body supporting an optical disk and rotating along with the rotating shaft; and a centering unit fitted over the rotating shaft, moving in an axial direction of the rotating shaft, and aligning a rotating center of the optical disk with a rotating center of the rotating shaft; wherein the turntable comprises a reinforcing part that protrudes from the body along a periphery of the rotating shaft; wherein the bearing housing includes a bearing to rotate the rotor; wherein the stator includes a core coupled to an outer circumference of the bearing housing, and a coil wound around the core; and wherein the rotor includes a yoke having a burring part coupled to the rotating shaft, and a magnet attached to an inner surface of the yoke where the magnet faces the core.