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2004•Japanese Journal of Applied PhysicsRequires access

Piezoelectric Microactuators for Use in Magnetic Disk Drives

Kazuaki Kurihara, Masaharu Hida, Shigeyoshi Umemiya, Shingi Koganezawa

Open publisher page 5 citations

Abstract

A head-slider drive dual-stage microactuator system for use in magnetic disk drives was developed. This microactuator system has a symmetrical structure and operation, and utilizes simple rectangular multilayered piezoelectric actuator devices. A prototype model with a pico slider and head suspension was tested and demonstrated. It exhibited a 0.8 µm displacement at a dc applied voltage of 30 V and a fundamental resonant frequency of over 20 kHz.

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What this paper is about

A head-slider drive dual-stage microactuator system for use in magnetic disk drives was developed. This microactuator system has a symmetrical structure and operation, and utilizes simple rectangular multilayered piezoelectric actuator devices. A prototype model with a pico slider and head suspension was tested and demonstrated. It exhibited a 0.8 µm displacement at a dc applied voltage of 30 V and a fundamental resonant frequency of over 20 kHz.

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OpenAlex reports 5 citations for this work. Citation counts describe recorded attention and do not establish research quality.

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Available abstract

A head-slider drive dual-stage microactuator system for use in magnetic disk drives was developed. This microactuator system has a symmetrical structure and operation, and utilizes simple rectangular multilayered piezoelectric actuator devices. A prototype model with a pico slider and head suspension was tested and demonstrated. It exhibited a 0.8 µm displacement at a dc applied voltage of 30 V and a fundamental resonant frequency of over 20 kHz.

Key concepts: Microactuator, Slider, Actuator, Piezoelectricity, Materials science, Head (geology), Displacement (psychology), Planar

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