Title :
Investigation of slider take-off velocity using the acoustic emission frequency spectrum
Author :
McMillan, T.C. ; Swain, R.C. ; Talke, F.E.
Author_Institution :
Center for Magnetic Recording Res., California Univ., San Diego, La Jolla, CA, USA
fDate :
11/1/1995 12:00:00 AM
Abstract :
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
Keywords :
acoustic emission; finite element analysis; magnetic heads; acoustic emission frequency spectrum; disk velocity; finite element analysis; flying height; rail sliders; resonant frequencies; slider take-off velocity; Acoustic emission; Acoustic measurements; Finite element methods; Frequency measurement; Performance evaluation; Rails; Resonant frequency; Signal analysis; Velocity measurement; Voltage;
Journal_Title :
Magnetics, IEEE Transactions on
