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TECHNICAL PAPERS

Spreading Characteristics of Monolayer Lubricant Films on Surfaces With Lube Textures

[+] Author and Article Information
Hedong Zhang

Department of Complex Systems Science, Graduate School of Information Science, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8601, Japan

Yasunaga Mitsuya, Kenji Fukuzawa

Department of Micro-Nano Systems Engineering, Graduate School of Engineering, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8603, Japan

Natsuko Fukuoka

Department of Electronic-Mechanical Engineering, Graduate School of Engineering, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8603, Japan

J. Tribol 127(1), 164-170 (Feb 07, 2005) (7 pages) doi:10.1115/1.1843828 History: Received March 17, 2004; Revised August 15, 2004; Online February 07, 2005
Copyright © 2005 by ASME
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References

Homola,  A. M., 1991, “The Role of Interfacial Forces and Lubrication in Thin-Film Magnetic Media,” Adv. Inf. Storage Syst., 1, pp. 279–308.
Khurshudov,  A., and Waltman,  R. J., 2001, “Tribology Challenges of Modern Magnetic Hard Disk Drives,” Wear, 251, pp. 1124–1132.
Zhao,  Z., and Bhushan,  B., 1996, “Effect of Bonded Lubricant Films on the Tribological Performance of Magnetic Thin-film Rigid Disks,” Wear, 202, pp. 50–59.
Wang,  R.-H., White,  R. L., Meeks,  S. W., Min,  B. G., Kellock,  A., Homola,  A., and Yoon,  D., 1996, “The Interaction of Perfluoro-Polyether Lubricant with Hydrogenated Carbon,” IEEE Trans. Magn., 32, pp. 3777–3779.
Chen,  C.-Y., Bogy,  D., and Bhatia,  C. S., 2001, “Effect of Lubricant Bonding Fraction at the Head-Disk Interface,” Tribol. Lett., 10, pp. 195–201.
Zhang,  H., Mitsuya,  M., and Yamada,  M., 2002, “Spreading Characteristics of Molecularly Thin Lubricant on Surfaces with Groove-Shaped Textures: Monte Carlo Simulation and Measurement Using PFPE Film,” ASME J. Tribol., 124, pp. 575–583.
Zhang,  H., Mitsuya,  M., and Yamada,  M., 2003, “Spreading Characteristics of Molecularly Thin Lubricant on Surfaces with Groove-Shaped Textures: Effects of Molecular Weight and End-Group Functionality,” ASME J. Tribol., 125, pp. 350–357.
Chiba,  H., Takeda,  M., Nakamura,  N., and Watanabe,  K., 2003, “Improvements of Lubricant Performance in Hard-Disk Media by Vacuum Ultraviolet Irradiation,” Tribol. Int., 36, pp. 367–369.
Saperstein,  D. D., and Lin,  L. J., 1990, “Improved Surface Adhesion and Coverage of Perfluoropolyether Lubricants Following Far-UV irradiation,” Langmuir, 6, pp. 1522–1524.
Vurens,  G. H., Gudeman,  C. S., Lin,  L. J., and Foster,  J. S., 1992, “Mechanism of Ultraviolet and Electron Bonding of Perfluoropolyethers,” Langmuir, 8, pp. 1165–1169.
Itai, Y., and Yamamoto, T., 2000, “Effect of UV Light Irradiation on PFPE Lubricant for Magnetic Disks,” Proceedings of the International Tribology Conference, 3 , pp. 2207–2210.
Mitsuya, Y., Hayashi, Y., Goto, K., and Zhang, H., 2003, “Evaluation of Ultraviolet Rays-Assisted Bonding between PFPE Lubricant and DLC through Spreading of Molecularly Thin Film,” Proceedings of the 2003 JSME-IIP/ASME-ISPS Joint Conference on Micromechatronics for Information and Precision Equipment, pp. 247–248.
Adamson, A., 1990, The Physical Chemistry of Surfaces, 5th ed., John Wiley and Sons, New York.
Waltman,  R. J., Pocker,  D. J., and Tyndall,  G. W., 1998, “Studies on the Interactions between ZDOL Perfluoropolyether Lubricant and the Carbon Overcoat of Rigid Magnetic Media,” Tribol. Lett., 4, pp. 267–275.
Azzam, R. M. A., and Bashara, N. M., 1987, Ellipsometry and Polarized Light, Elsevier Science Publishers B. V., The Netherlands.
Novotny,  V. J., 1990, “Migration of Liquid Polymers on Solid Surfaces,” J. Chem. Phys., 92, pp. 3189–3196.
Tyndall,  G. W., Waltman,  R. J., and Pocker,  D. J., 1998, “Concerning the Interactions between Zdol Perfluoropolyether Lubricant and an Amorphous-Nitrogenated Carbon Surface,” Langmuir, 14, pp. 7527–7536.
Matano,  C., 1933, “On the Relation between the Diffusion-Coefficients and Concentrations of Solid Metals,” Jpn. J. Phys., 8, pp. 109–113.

Figures

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Formation of lube textures by irradiating ultraviolet rays through a stripe-patterned mask
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Optical constants of a magnetic disk measured by an ellipsometer: (a) refractive index; (b) extinction coefficient
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Calculation of film thickness by compensating for the spatial and temporal deviations of the optical constants of a substrate
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Spreading profiles of AM3001 at 1, 3, 6, 9, and 24 h for the cases of (a) no UV irradiation and (b) uniform UV irradiation
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Spreading profiles of AM3001 at 1, 3, 6, 9, and 24 h for partial UV irradiation (lube textures) with stripe-width pattern of 5.0 μm: (a) Parallel textures; (b) perpendicular textures
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Spreading profiles of AM3001 at 1, 3, 6, 9, and 24 h for partial UV irradiation (lube textures) with stripe-width pattern of 2.0 μm: (a) parallel textures; (b) perpendicular textures
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Diffusion coefficients of AM3001 as a function of lubricant thickness for the cases of (a) no and uniform UV irradiations; (b) partial UV irradiation with stripe-width pattern of 5.0 μm; (c) partial UV irradiation with stripe-width pattern of 2.0 μm; (d) partial UV irradiation with stripe-width pattern of 0.5 μm
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Models for spreading on surfaces with lube textures: (a) parallel textures; (b) perpendicular textures

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