This paper describes a new type of optical system in optical head for magneto-optic disk drive, expounds theoretical the basic principle for magneto-optio information read out.
本文叙述了一种新型磁光盘驱动器光学头的光学系统，并从理论上阐明了磁光信息读取的基本原理。
The magneto-optic head flies much farther from the disk surface than a magnetic disk head, and the magnetic material is covered with a protective layer of plastic or glass;
光电磁头距离盘面的距离比磁头远，并且磁介质上覆盖有塑料或玻璃的保护层；
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