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Investigation of slider take-off velocity using the acoustic emission frequency spectrum

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3 Author(s)
McMillan, T.C. ; Center for Magnetic Recording Res., California Univ., San Diego, La Jolla, CA, USA ; Swain, R.C. ; Talke, F.E.

Acoustic emission and flying height measurements are performed simultaneously to investigate the take-off characteristics of typical two rail sliders. The rms voltage and frequency spectrum of the acoustic emission signal are examined as a function of disk velocity, and the frequencies measured are related to the resonant frequencies of the slider body obtained from a finite element analysis. The correlation between slider resonant frequency and slider contact location is examined

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Magnetics, IEEE Transactions on  (Volume:31 ,  Issue: 6 )