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TECHNICAL PAPERS

Particle Flow and Contamination in Slider Air Bearings for Hard Disk Drives

[+] Author and Article Information
Xinjiang Shen, David B. Bogy

Computer Mechanics Laboratory, Department of Mechanical Engineering, University of California at Berkeley, Berkeley, CA 94720

J. Tribol 125(2), 358-363 (Mar 19, 2003) (6 pages) doi:10.1115/1.1537746 History: Received February 26, 2002; Online March 19, 2003; Revised August 06, 2006
Copyright © 2003 by ASME
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References

Figures

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Pressure profile of the air bearing for the slider
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Effects of particle sizes on its flying path in the air bearing
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Flying height contour of the slider
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Two-dimensional rails of the slider
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Effect of the density of the particle on the particle contamination behavior on slider surfaces: (a) density=1.0 E3 kg/m3; and (b) density=7.8 E3 kg/m3
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Effects of density on the flying path of the particle in the air bearing
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Particle sizes of Gaussian distribution, mean size=30 nm
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(a) Time-dependent three-dimensional particle distributions in the air bearing; and (b) time-dependent three-dimensional distributions in the air bearing
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Particle contamination profile on one slider surface (FH=25.6 nm, Pitch 75 μrad, Roll=−1.79 μrad)
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Effect of pitch angles on particle contamination behavior on slider surfaces: (a) FH=21.5 nm, Pitch 66.9 μrad, Roll=5.5 μrad; and (b) FH=20.1 nm, Pitch 84.9 μrad, Roll=−5 μrad

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