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TECHNICAL PAPERS

Dynamic Characteristics of an In-Contact Headslider Considering Meniscus Force: Part 1—Formulation and Application to the Disk With Sinusoidal Undulation

[+] Author and Article Information
Takahisa Kato

Department of Mechanical Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113, Japan

Souta Watanabe

The University of Tokyo, Current Address: Toyo Engineering Co., Ltd., Japan

Hiroshige Matsuoka

Department of Applied Mathematics and Physics, Faculty of Engineering, Tottori University, Koyama, Tottori, 680, Japan

J. Tribol 122(3), 633-638 (Aug 31, 1999) (6 pages) doi:10.1115/1.555413 History: Received March 05, 1999; Revised August 31, 1999
Copyright © 2000 by ASME
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References

Hamilton,  H., Anderson,  R., and Goodson,  K., 1991, “Contact Perpendicular Recording on Rigid Media,” IEEE Trans. Magn., 27, pp. 4921–4926.
Hamilton,  H., 1994, “Perpendicular Contact Recording on Rigid Media,” J. Magn. Soc. Jpn., 18, No. Sl, pp. 171–178.
Bailey,  D. A., 1995, “Limits of Reynolds Equation for Negative Pressure Sliders,” IEEE Trans. Magn., 31, pp. 2979–2981.
Hsiao,  H. S., Bhushan,  B., and Hamrock,  B. J., 1996, “Ultrathin Liquid Lubrication of Magnetic Head-Rigid Disk Interface for Near-Contact Recording: Part 1—A Closed-Form Solution to the Reynolds Equation,” ASME J. Tribol., 115, pp. 388–395.
Ono,  K., Takahashi,  K., Yamaura,  H., and Mizokoshi,  T., 1994, “Analysis of Dynamic Contact Behavior and Tracking Characteristics of a Single-Degree-of-Freedom Slider Model for a Contact Recording Head,” Journal of Japanese Society of Mechanical Engineers, C, 60, pp. 2574–2581.
Ono,  K., Takahashi,  K., and Yamaura,  H., 1996, “Analysis of Bouncing Vibration and Complete Contact Condition of a Single-Degree-of-Freedom Contact Slider Model for Contact Recording,” Journal of Japanese Society of Mechanical Engineers, C, 62, pp. 3387–3393.
Ono,  K., and Takahashi,  K., 1997, “Computer Analysis of Bouncing Vibration and Tracking Characteristics of a Single-Degree-of-Freedom Contact Slider Model over a Random Disk Surface,” Journal of Japanese Society of Mechanical Engineers, C, 63, pp. 2635–2642.
Tsuchiyama,  R., 1998, “Simulation of Dynamic Characteristics of Head-Disk Interface subjected to Wavy Excitation and Collision in Contact Magnetic Recording,” Journal of Japanese Society of Mechanical Engineers, C, 64, pp. 4791–4797.
Sato,  A., Ajiki,  K., Yanagisawa,  M., and Tsukamoto,  Y., 1997, “Head-Disk Interface Design for In-Contact Recording using Wet Systems,” IEEE Trans. Magn., 33, pp. 3163–3165.
Yanagisawa, M., Sato, A., and Ajiki, K., 1996, “Bouncing properties for contact sliders,” JSME Proceedings of IIP ’96, pp. 15–16.
Orr,  F. M., Scriven,  L. E., and Rivas,  A. P., 1975, “Pendular Rings Between Solids: Meniscus Properties and Capillary Force,” J. Fluid Mech., 67, pp. 723–742.
Tian,  H., and Matsudaira,  T., 1993, “The Role of Relative Humidity, Surface Roughness and Liquid Build-Up on Static Friction Behavior of the Head/Disk Interface,” ASME J. Tribol., 115, pp. 28–35.
Tian,  X., and Bhushan,  B., 1996, “The Micro-meniscus Effect of a Thin Liquid Film on the Static Friction of Rough Surface Contact,” J. Phys. D, 29, pp. 163–178.
Gao,  C., Tian,  X., and Bhushan,  B., 1995, “A Meniscus Model for Optimization of Texturing and Liquid Lubrication of Magnetic Thin-Film Rigid Disks,” Tribol. Trans., 38, pp. 201–212.
Kobayashi, Y., and Shirai, K., 1998, “Simulation of Meniscus Phenomena for Head-Disk Interface,” Technical Report of the Institute of Electronics, Information and Communication Engineers, Vol. 98, pp. 1–7.
Israelachvili, J. N., 1992, Intermolecular and Surface Forces, 2nd ed., Academic Press.
Joeng, T. G., Chun, J. I., Chung, C. C., Byun, Y. K., and Ro, K. C., 1997, “Measurement Technique for Dynamic Characteristics of HDD Head-Suspension Assembly in Normal Operating Conditions,” Proceedings of the International Conference on MIPE, July, pp. 108–113.
Yanagisawa, M., 1994, The Japanese Society of Tribologists, Proceedings of Annual Meeting, Tokyo, pp. 593–596.
Yanagisawa, M., 1996, The Japanese Society of Mechanical Engineers, Proceedings of 73rd Annual Meeting, Vol. VI, pp. 580–581.
Iida,  K., and Ono,  K., 1998, “Effects of Slider Mass, Contact Stiffness and Contact Damping on Contact Force of a Single-DOF Contact Slider Model,” Journal of Japanese Society of Mechanical Engineers, C, 64, pp. 2894–2902.

Figures

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Head/disk interface systems
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Tri-pad slider with spherical pads
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Three-dimensional model of contact slider/disk interface system
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A model of bouncing (z) direction
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A model of pitching (θ) direction
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A model of rolling (φ) direction
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Four regimes of head-lubricant-disk interface
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Example of calculated data at f=80 kHz
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Example of calculated data at f=137 kHz
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Maximum bouncing height and wavy frequency
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Relation between critical frequency and lubricant film thickness
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Relation between critical frequency and wavy amplitude
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Relation between critical frequency and radius of contact pad

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