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TECHNICAL PAPERS

Effect of the Intermolecular Forces on the Flying Attitude of Sub-5 NM Flying Height Air Bearing Sliders in Hard Disk Drives

[+] Author and Article Information
Lin Wu, D. B. Bogy

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

J. Tribol 124(3), 562-567 (May 31, 2002) (6 pages) doi:10.1115/1.1456454 History: Received March 19, 2001; Revised August 14, 2001; Online May 31, 2002
Copyright © 2002 by ASME
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References

Figures

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The potential energy between two molecules
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The coefficients used in the 7-point-quadrature approximation of the integral over a triangular surface
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The Tripad positive pressure slider (mm) and the unstructured triangular meshes. The slider has a zero crown and a zero camber. The base recess for the slider is 3 μm.
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Air bearing forces, the van der Waals force and the load capacity as a function of the flying height for the Tripad slider at a fixed pitch angle of 150 μrad
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Air bearing forces, the van der Waals force and the load capacity as a function of the pitch angle for the Tripad slider at a fixed flying height of 0.45 nm
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The effect of the van der Waals force on the actual steady state flying height of the Tripad slider at different radial positions
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The effect of the van der Waals force on the actual steady state pitch angle of the Tripad slider at different radial positions
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The effect of the van der Waals force on the actual steady state roll angle of the Tripad slider at different radial positions
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The Femto negative pressure slider (mm) and the unstructured triangular meshes. The slider has a 18 nm crown and a 2 nm camber. The base recess for the slider is 2.5 μm.
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Air bearing forces, the van der Waals force and the load capacity as a function of the flying height for the Femto slider at a fixed pitch angle of 150 μrad
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Air bearing forces, the van der Waals force and the load capacity as a function of the pitch angle for the Femto slider at a fixed flying height of 4 nm
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The effect of the van der Waals force on the actual steady state flying height of the Femto slider at different radial positions
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The effect of the van der Waals force on the actual steady state pitch angle of the Femto slider at different radial positions
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The effect of the van der Waals force on the actual steady state roll angle of the Femto slider at different radial positions
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The attraction van der Waals force, the total intermolecular force, the total air bearing force and the load capacity as a function of the flying height for the Tripad slider at a fixed pitch angle of 150 μrad
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The attraction van der Waals force, the total intermolecular force, the total air bearing force and the load capacity as a function of the flying height for the Femto slider at a fixed pitch angle of 150 μrad

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