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A suspension integrated with a piezoelectric microactuator for dual stage actuation

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Abstract

This paper presents a shear-mode piezoelectric microactuator that can be easily integrated with a suspension for dual stage actuation used in hard disk drives. The finite element method was employed to investigate the static and dynamic performance of the assembly using a simple cantilever suspension integrated with the microactuator. Experiments were also conducted to verify the numerical analysis results. A modern suspension integrated with the microactuator was then simulated based on the optimised structure of the actuator/suspension assembly, and the results showed that 1.17-μm tip stroke could be obtained while the driving voltage was only 20 V.

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Authors and Affiliations

  1. School of MPE, Nanyang Technological University, 50 Nanyang Avenue, Singapore, 639798, Singapore

    Z.W. Zhong & J. Sun

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  1. Z.W. Zhong
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  2. J. Sun
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Correspondence to Z.W. Zhong.

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Zhong, Z., Sun, J. A suspension integrated with a piezoelectric microactuator for dual stage actuation. Int J Adv Manuf Technol 24, 686–692 (2004). https://doi.org/10.1007/s00170-003-1718-7

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  • DOI: https://doi.org/10.1007/s00170-003-1718-7

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