Patent ID: 8995084
Filing Date: 2015-03-31
Classification: G11B,H02K

Abstract:
1. A disk drive device comprising: a base member including a first, upper surface and a second, lower surface; a hub, which is formed of a magnetic material, on which a recording disk is to be mounted, and which is arranged toward the first surface of the base member; a bearing unit, which is arranged on the base member and which rotatably supports the hub; a spindle drive unit, which is arranged on the first surface of the base member and which drives the hub to rotate; and a wiring member, which is arranged on the second surface of the base member, wherein the spindle drive unit includes: a stator core having a salient pole; a coil formed by winding a wire around the salient pole; and a magnet opposite to the salient pole, wherein the base member includes: a wire hole through which a drawing line of the wire is introduced from the side of the first surface toward the side of the second surface, wherein the wire hole has a first opening on the first surface, and a second opening on the second surface; a concaved area on the second surface, including a lower slope surface disposed axially between the concaved area and the second opening of the wire hole on the second surface, wherein the wiring member includes a sloping portion arranged on the lower slope surface, and wherein the drawing line is connected to the wiring member at a position radially outside of an outer diameter portion of the magnet.