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TECHNICAL PAPERS

Contact Vibration of Micro-Textured Sliders

[+] Author and Article Information
Junguo Xu, Hiromitsu Tokisue

Mechanical Engineering Research Laboratory, Hitachi, Ltd., Japan

Hideaki Tanaka, Masaaki Matsumoto

Data Storage and Retrieval Systems Division, Hitachi, Ltd., Japan

J. Tribol 124(2), 281-287 (Jun 26, 2001) (7 pages) doi:10.1115/1.1398290 History: Received February 01, 2001; Revised June 26, 2001
Copyright © 2002 by ASME
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References

Menon, A. K., 1999, “Critical Requirements for 100Gb/in2 Head/Disk Interface,” ASME Proceedings of the Symposium on Interface Technology Towards 100Gb/in2, pp. 1–9.
Tanaka, H., Yonemura, S., and Tokisue, H., 2000, “Slider Dynamics During Continuous Contact With Textured and Smooth Disks in Ultra Low Flying Height,” Digest of APMRC, TB3.
Tanaka,  H., Ishikawa,  F., Gomi,  K., Yamaguchi,  N., and Miyake,  Y., 1994, “Tribological Behavior of Thin Film Rigid Disks with Regular Dot Array Texture on Carbon Overcoats,” IEEE Trans. Magn., 30, No. 6, pp. 4113–4115.
Kohira,  H., Tanaka,  H., Tokisue,  H., and Matsumoto,  M., 1997, “Friction Force of Negative Pressure Sliders for Proximity Recording,” IEEE Trans. Magn., 33, No. 5, pp. 3157–3159.
Briggs,  C. A., and Talke,  F. E., 1990, “The Dynamics of Micro Sliders using Laser Doppler Vibrometry,” IEEE Trans. Magn., 26, No. 5, pp. 2442–2444.
Itoh,  J., Tanimoto,  K., and Ohtsubo,  Y., 1997, “Development of Contact Recording Head for HDD,” IEEE Trans. Magn., 33, No. 5, pp. 3139–3141.
Knigge, B., Talke, F. E., Baumgart, P., and Harrison, J., 1999, “Slider Disk Contact Dynamics of Glide Heads and Proximity Recording Sliders Using Joint Time-Frequency Analysis and Scalogram Techniques,” ASME Proceedings of the Symposium on Interface Technology Towards 100Gb/in2, pp. 23–29.
McMillan,  T. C., Talke,  F. E., and Harrison,  J. C., 1998, “Identification of Slider/Disk Contacts Using the Energy of the Acoustic Emission Signal,” IEEE Trans. Magn., 34, No. 4, pp. 1819–1821.
Hanchi, J., Polycarpou, A. A., and Boutaghou Z., 1999, “Tribology of Contacting Head-Disk Interface,” ASME Proceedings of the Symposium on Interface Technology Towards 100Gb/in2, pp. 17–22.
Harrison,  J. C., Altshuler,  K. J., and Huynh,  C. M., 1999, “An Explanation of the Observed Frequency Domain Behavior of Head-Disk Interface Resonances in the Proximity Recording Regime,” IEEE Trans. Magn., 35, No. 2, pp. 933–937.
Zeng,  Q. H., and Bogy,  D. B., 1999, “Experimental Evaluation of Stiffness and Damping of Slider-Air Bearings in Hard Disk Drives,” ASME J. Tribol., 121, pp. 102–107.
Fukui,  S., and Kaneko,  R., 1987, “Analysis of Ultra-Thin Gas Film Lubrication Based on Linearized Boltzmann Equation: First Report-Derivation of a Generalized Lubrication Equation Including Thermal Creep Flow,” ASME J. Tribol., 110, pp. 253–262.

Figures

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The air-bearing surface of the shallow-dual-step pico-slider
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Schematic and surface maps of micro-texture as measured by an atomic force microscope: (a) schematic; (b) 4 nm texture; and (c) 6 nm texture.
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Equipment of measurement of contact-induced vibration
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Positions for measurement of contact-induced vibration
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Surface map of the disk as measured by an atomic force microscope
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Waveforms of vibration of the slider’s central trailing edge measured at various ambient pressures
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Frequency-domain representation of vibration of the slider’s central trailing edge measured at various ambient pressures
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Frequency-domain representation of vibration of the slider’s inner center and in the desk measured at various ambient pressures: (a) on slider inner center; and (b) on disk.
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Amplitude of vibration as a function of ambient pressure for micro-textured sliders: (a) 4 nm micro-textured slider; and (b) 6 nm micro-textured slider.
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Amplitudes of vibration as a functions of ambient pressure: (a) non-textured slider; (b) 4 nm micro-textured slider; and (c) 6 nm micro-textured slider.
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Friction force and acoustic-emission signal as functions of ambient pressure: (a) non-textured slider; (b) 4 nm micro-textured slider; and (c) 6 nm micro-textured slider.
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Schematic diagram of the definition of interference height
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Amplitude of vibration as a function of interference height: (a) at slider’s inner center; and (b) at slider’s central trailing edge
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Schematic diagram of the interference area concept
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Amplitude of vibration as a function of interference area

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