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Investigation of slider out-of-plane and in-plane vibrations during the track-seeking process

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Abstract

This paper employs the coupled air bearing model and modal order reduction (MOR) model of head stack assembly (HSA) to investigate the track-seeking process of a femto slider. Simulations indicate that the flying height and the pitch angle may increase or decrease significantly, depending on the track-seeking directions. For the slider studied in this paper, it is safer for sweeping from OD to ID, than sweeping from ID to OD. The most serious vibration is the off-track vibration, and it is highly related to the sweeping acceleration profile. A smooth acceleration profile is crucial to reduce all the vibrations of slider, especially the off-track vibration.

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Authors and Affiliations

  1. Data Storage Institute, (A*STAR) Agency for Science, Technology and Research, 5 Engineering Drive 1, Off Kent Ridge Crescent, Singapore, 117608, Singapore

    Wei Hua, Shengkai Yu, Weidong Zhou & Kyaw Sett Myo

Authors
  1. Wei Hua
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  2. Shengkai Yu
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  3. Weidong Zhou
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  4. Kyaw Sett Myo
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Correspondence to Wei Hua.

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Hua, W., Yu, S., Zhou, W. et al. Investigation of slider out-of-plane and in-plane vibrations during the track-seeking process. Microsyst Technol 22, 1189–1197 (2016). https://doi.org/10.1007/s00542-016-2863-x

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  • DOI: https://doi.org/10.1007/s00542-016-2863-x

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