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Title of Journal: Microsyst Technol

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Abbravation: Microsystem Technologies

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Springer-Verlag

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DOI

10.1002/mmnz.19720480204

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1432-1858

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Vibration analysis of axially moving magnetic tape

Authors: Thomas G Hayes Bharat Bhushan
Publish Date: 2007/02/10
Volume: 13, Issue: 7, Pages: 689-699
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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 fixedfixed EulerBernoulli 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 experimentFinancial support for this study was provided by the membership of the Nanotribology Laboratory for Information Storage and MEMS/NEMS and Imation CorpAdvanced 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 duallayer 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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