迄今,可写光盘驱动器累计发货总数已超过16万台,如下图所示,其最快增长部分是5(1/4)英寸可重写驱动器和可重写介质。目前,全部都使用磁光技术,即以聚焦激光把用稀土过渡材料制作的磁记录介质加热到居里点,然后 To date, the total number of writeable CD-ROM drives has shipped more than 160,000 units, as shown in the figure below, with the fastest growth of 5 (1/4) inch rewritable drives and rewritable media. Currently, all use magneto-optical technology, which focuses the laser with a rare earth transition material made magnetic recording medium heated to the Curie point, and then