Patent ID: 8848312

Claim:
A disk drive device comprising: a base member; a hub; a bearing unit which is arranged on the base member and which rotatably supports the hub; and a spindle drive unit, which drives the hub to rotate, wherein the spindle drive unit includes a stator core having a salient pole, a coil wound around the salient pole, and a magnet configured with an outer diameter portion and a portion that is opposite to the salient pole, wherein the hub is formed of a magnetic material, wherein the base member includes a wire hole through which a drawing line of a wire for forming the coil passes, and a concavity that is formed at a bottom surface of the base member, at least a part of the concavity being arranged at a position that is radially outside of the outer diameter portion of the magnet, wherein the drawing line of the wire passes through the wire hole and is arranged along the bottom surface of the base member to a wiring member to which the drawing line of the wire is connected at the concavity at the bottom surface of the base member at a position that is outside of the outer diameter portion of the magnet in the radial direction, and wherein the wiring member is positioned radially outside the wire hole.