| 摘要 |
<p>The present invention relates to a spindle motor. The spindle motor according to an embodiment of the present invention comprises a a rotator including a shaft; a sleeve axially supporting the shaft to be rotated; and a fixer including a base welded with the sleeve, wherein the base includes a first bonding part configured with a vertical surface and a horizontal surface formed on the end contacting with the sleeve to cross each other, and includes a second bonding part configured with an extensive surface corresponding to height of the vertical surface and a vertical flat surface crossing the extensive surface on the end of the sleeve.Therefore, defects of the spindle motor relating to height can be prevented by being available of stable welding with low welding distribution, easily performing welding process by accurately distinguished welding location, and forming a welding bead lower.</p> |
