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Vibration analysis of axially moving magnetic tape with comparisons to static and dynamic experimental results

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Abstract

The demand for greater storage capacity is prompting the development of data storage tape with greater volumetric and areal density. As the data tracks on these tapes become narrower, minimization of the lateral tape motion (LTM) becomes more important to prevent loss of data due to read/write errors. In order to identify and minimize sources of LTM, a vibration model is developed which simplifies the tape drive to a fixed-fixed Euler-Bernoulli beam model with axial velocity. The effects of varying axial velocity, tension, free span length, and tape thickness were investigated. The calculated natural frequencies are compared to those obtained by both static and dynamic experiments. Effects of varying the length, tape thickness, and tension were studied in the static experiment while the effects of changing speed and tension were studied in the dynamic experiment.

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Acknowledgments

Financial support for this study was provided by the membership of the Nanotribology Laboratory for Information Storage and MEMS/NEMS and Imation Corp.-Advanced Technology Program (Program Manager, Ted Schwarz, Peregrine Recording Technology, St Paul, MN), National Institute of Science and Technology, as part of Cooperative Agreement 70NANB2H3040. The authors thank Richard E. Jewett and Todd L. Ethen, both of Imation Corp., for providing Ultrium dual-layer MP tape. Special thanks to Richard E. Jewett, Todd L. Ethen, and Raul Andruet of Imation Corp., and Dr. Yaxin Song and the other staff members of NLIM for technical support with the tape drive and for helpful discussion throughout the study.

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Authors and Affiliations

  1. Nanotribology Laboratory for Information Storage and MEMS/NEMS, Department of Mechanical Engineering, The Ohio State University, 201 W. 19th Ave, Columbus, OH, 43210, USA

    Thomas G. Hayes IV & Bharat Bhushan

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  1. Thomas G. Hayes IV
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  2. Bharat Bhushan
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Correspondence to Bharat Bhushan.

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Hayes, T.G., Bhushan, B. Vibration analysis of axially moving magnetic tape with comparisons to static and dynamic experimental results. Microsyst Technol 13, 689–699 (2007). https://doi.org/10.1007/s00542-007-0387-0

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  • DOI: https://doi.org/10.1007/s00542-007-0387-0

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