| 摘要 |
PURPOSE: A motor, disk driving device, manufacturing method of a rotor yoke, and manufacturing method of a motor are provided to prevent the generation of burrs in an axial direction of a coupling unit and to couple a rotor yoke and a shaft. CONSTITUTION: A rotating unit is supported through a bearing unit. A stop unit includes a stator(123). The rotating unit includes a shaft, a rotator yoke, and a rotor magnet. The rotor yoke includes a coupling unit. The coupling unit is coupled by the shaft. The rotor magnet is fixed to the rotor yoke. The shaft includes a part which is projected from the coupling unit. |
