MC-03 SYMMETRICAL PIEZOELECTRIC MICROACTUATORS FOR MAGNETIC DISK DRIVES

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概要

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• We have developed a novel piezoelectric microactuator for the head-slider drive dual-stage actuator systems in magnetic disk drives. This microactuator is based on a symmetrical structure and a symmetrical operation. The piezoelectric actuator devices used in the system are simple rectangular multilayered structure. A prototype model with pico-slider and the head suspension has been tested to demonstrate 0.8μm displacement at a dc applied voltage of 30V and fundamental resonant frequency over 20kHz.

著者

• Koganezawa S.

  Hdd Development Department Fujitsu Limited

• Hida M.

  Materials And Environmental Engineering Laboratories Fujitsu Laboratories Ltd.

• Kurihara K.

  Materials and Environmental Engineering Laboratories Fujitsu Laboratories Ltd.

• Mita T.

  Materials and Environmental Engineering Laboratories Fujitsu Laboratories Ltd.

関連論文

• MC-03 SYMMETRICAL PIEZOELECTRIC MICROACTUATORS FOR MAGNETIC DISK DRIVES

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