Patent ID: 8749915

Claim:
A motor unit for use in a disk drive apparatus, the motor unit comprising: a motor portion; a housing member arranged to define a portion of a housing of the disk drive apparatus, and including a through hole arranged to permit external connection therein at a position away from the motor portion; and a circuit board arranged on an upper surface of the housing member to extend from the motor portion toward the through hole; wherein the motor portion includes: a rotating portion including an annular rotor magnet centered on a central axis extending in a vertical direction; a base portion; and a stator including a plurality of lead wires, and fixed to the base portion radially inside the rotor magnet; the circuit board is arranged to extend from an outside of the motor portion to an inside of the stator through a first gap defined between the stator and the base portion, and includes a connection portion arranged radially inward of the stator such that the connection portion is closer to the central axis than every portion of the stator; and the plurality of lead wires are connected to the connection portion.