A new piezoelectric ceramic micro-actuator for high-density hard disk drives is proposed and developed.

制作一种新型压电陶瓷微致动器，用于高密度硬盘驱动器磁头的精确定位。

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The split morph can be used as precision positioner, especially as the secondary actuator in dual stage head positioning servo system of high density hard disk drives.

该分割电极压电致动器可用于精密定位，尤其适合在高密度硬磁盘驱动器的磁头定位两级伺服系统中作第二级致动器。

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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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It is also a vital component of high-voltage wires, magnetic coatings for high-density hard disk drives, fiber optics, fiberglass, catalytic converters and spark plugs.

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