Patent ID: 8492942

Claim:
A spindle motor, comprising: a bearing assembly including an upper surface-opened cylindrical bearing housing and a bearing accommodated in the bearing housing and formed with a rotation shaft hole; a stator including a core coupled to a periphery of the bearing housing and a coil wound on the core; a rotation shaft inserted into the rotation shaft hole; a rotor including a disk-shaped yoke coupled to the rotation shaft and a magnet coupled to the yoke to face the core; and a suction magnet arranged at the yoke facing the core, wherein the bearing housing includes a body coupled to the core and a core fixture bent from the body so that an upper surface of the core is in contact with a bottom surface of the core fixture and the bottom surface of the core fixture contacting the core is formed with a ring-shaped trench unit for inhibiting an adhesive from overflowing outside of the core fixture, and the suction magnet is so arranged as to face the core fixture corresponding to an external side of a bent unit bent from the body for forming the core fixture.