Patent ID: 8099744

Claim:
A disk device, comprising: a clamper; and a spindle motor, said spindle motor including: a disk holding component, having a main body configured to hold a disk between said main body and said clamper, and a plurality of positioning components on said main body for relative positioning of said spindle motor and said clamper in a radial direction of said spindle motor; and a motor main body fixed to the said holding component and being configured to rotationally drive said disk holding component and the disk, wherein said plurality of positioning components includes a first positioning component and a second positioning component, and said first positioning component of said plurality of positioning components of said spindle motor is configured to position said clamper and said spindle motor in the radial direction only when said second positioning component of said plurality of positioning components of said spindle motor does not position said clamper and said spindle motor in the radial direction.