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TECHNICAL PAPERS

Effects of Moving Three-Dimensional Nano-Textured Disk Surfaces on Thin Film Gas Lubrication Characteristics for Flying Head Slider Bearings in Magnetic Disk Storage

[+] Author and Article Information
Norio Tagawa, Takefumi Hayashi, Atsunobu Mori

Department of Mechanical Engineering, Faculty of Engineering, Kansai University, Suita, Osaka 564-8680, Japan

J. Tribol 123(1), 151-158 (Jul 25, 2000) (8 pages) doi:10.1115/1.1326442 History: Received February 14, 2000; Revised July 25, 2000
Copyright © 2001 by ASME
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References

Figures

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Typical examples of laser nano-textured disk surface: (a) volcano-type laser texture; (b) radial ridge; (c) circumferential ridge
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Simulation models for nano-textured disk surfaces
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Numerical analysis procedure for slider dynamics over three-dimensional nano-textured disk surfaces
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Computed slider pressure profile for nano-textured disk surface
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Computed results for slider transient response: (a) slider leading edge; (b) slider trailing edge
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Effect of disk surface velocity on the slider flying height increase
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Effects of the texture circumferential area ratio on the slider flying height increase: (a) texture height, 20 nm; (b) texture height, 10 nm
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Effects of the texture radial area ratio on the slider flying height increase
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Effects of the texture area ratio on the slider dynamic modulations
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Three kinds of texture patterns generated in the computer
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Computed results for the slider flying height increase for three kinds of texture patterns generated in the computer

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