| 摘要 |
PURPOSE:To heighten the accuracy of the position of a pulse generator (PG) magnet, by a method wherein the PG magnet is formed to be integrated with a frequency generator (FG) magnet and is positioned to be fitted on a fitting groove chipped on a rotor yoke. CONSTITUTION:A FG magnet 37 and a PG magnet 38 are integrally formed b using magnetic material which can be molded with a metal mold, and the PG magnet 38 is fitted on the PG magnet fitting groove 39 formed on the FG magnet fitting section 9a of a rotor yoke 9, and the FG magnet 37 is integrally combined with the rotor yoke 9 by bonding the magnet 37 to the magnet fitting section 9a of the rotor yoke 9. In this manner, the accuracy of the position of the PG magnet is heightened, and the interchangeability of a floppy disk can be obtained. |
