Patent ID: 8448199
Filing Date: 2013-05-21
Classification: G11B,H02K

Abstract:
1. A spindle motor comprising: a rotor made of metal including a substantially circular top surface section and a tabular skirt section arranged at a predetermined space from an outer periphery of the top surface section; and a disk table of synthetic resin outsert-molded in the rotor and including a table main body section located on an outer surface side of the rotor and a rotor-inner-surface superimposing section located on an inner surface side of the rotor, wherein first resin lead-in holes extend through a corner portion of the tubular skirt section and wherein an inner surface of the table main body section located on the outer surface side of the rotor is connected to the rotor-inner-surface superimposing section located on the inner surface side of the rotor through the first resin lead-in holes and a portion of the disk table extends through the first resin lead-in holes and over an outer side-wall surface of the tubular skirt.