| 摘要 |
PURPOSE:To provide a magnetization method of a motor, for driving an information recording disk, which can magnetiz precisely without being influenced by an irregularity or the like in the diameter of a drive pin or a positioning pin. CONSTITUTION:A center pin 21 and a positioning pin 22 for a magnetization yoke are fitted respectively into the central hole 111 and the drive hole 112 of a rotor 110, and the rotor 110 is turned clockwise. An index magnetic pole is magnetized in a point which is turned counterclockwise at an angle C while a position in which the positioning pin 22 comes into contact with the cut and erected part 110b of the rotor 110 is used as a criterion. |
