The erasable optical disk with high recording density, high stability, high data transfer rate, high carrier-noise ratio and low error rate arc the main points in the research and development.
当前的研究与开发的重点是具有高记录密度，数据传输速率快、稳定性好、载噪比大和误码率低的可擦型光盘存储材料。
Readback voltage of perpendicular recording for high track density with ring-type head is theoretically calculated, and rcadback noise is analysed.
本文从理论上对高道密度垂直磁记录环形头读出电压进行了计算，并对道间串扰进行了分析。
Hybrid recording is a new kind of high density information storage technology that can break through the super-paramagnetic limit and increase the recording density of hard disk drives (HDD).
光磁混合记录是一种采用激光辅助加热磁写入，可以突破铁磁材料超顺磁极限的限制，提高硬盘记录密度的新型高密度磁记录方式。
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