Table of Contents Author Guidelines Submit a Manuscript
Advances in Tribology
Volume 2012 (2012), Article ID 923818, 7 pages
http://dx.doi.org/10.1155/2012/923818
Research Article

Dependence of Pin Surface Roughness for Friction Forces of Ultrathin Perfluoropolyether Lubricant Film on Magnetic Disks by Pin-on-Disk Test

1Mechanical Engineering Department and High Technology Center, Kansai University, Osaka 564-8680, Japan
2Nagoya Industrial Science Research Institute, Nagoya 464-0819, Japan
3Department of Research and Development, Nomura Plating Co., Ltd., Osaka 555-0033, Japan

Received 14 August 2012; Accepted 4 December 2012

Academic Editor: Tom Karis

Copyright © 2012 H. Tani et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Linked References

  1. B. Marchon, X. C. Guo, T. Karis et al., “Fomblin multidentate lubricants for ultra-low magnetic spacing,” IEEE Transactions on Magnetics, vol. 42, no. 10, pp. 2504–2506, 2006. View at Publisher · View at Google Scholar
  2. R. J. Waltman, H. Deng, G. J. Wang, H. Zhu, and G. W. Tyndall, “The effect of PFPE film thickness and molecular polarity on the pick-up of disk lubricant by a low-flying slider,” Tribology Letters, vol. 39, no. 2, pp. 211–219, 2010. View at Publisher · View at Google Scholar · View at Scopus
  3. M. Kurita, T. Shiramatsu, K. Miyake et al., “Active flying-height control slider using MEMS thermal actuator,” Microsystem Technologies, vol. 12, no. 4, pp. 369–375, 2006. View at Publisher · View at Google Scholar · View at Scopus
  4. Y. Shimizu, J. Xu, H. Kohira, K. Kuroki, and K. Ono, “Experimental study on slider dynamics during touchdown by using thermal flying-height control,” Microsystem Technologies, vol. 17, no. 5–7, pp. 897–902, 2011. View at Publisher · View at Google Scholar · View at Scopus
  5. K. Sonoda, D. Shirakawa, T. Yamamoto, and J. Itoh, “The tribological properties of the new structure lubricant at the head-disk interface,” IEEE Transactions on Magnetics, vol. 43, no. 6, pp. 2250–2252, 2007. View at Publisher · View at Google Scholar · View at Scopus
  6. J. N. Israelachvili, Intermolecular & Surface Forces, Academic Press, 2nd edition, 1992.
  7. S. Itoh, K. Fukuzawa, Y. Hamamoto, H. Zhang, and Y. Mitsuya, “Fiber wobbling method for dynamic viscoelastic measurement of liquid lubricant confined in molecularly narrow gaps,” Tribology Letters, vol. 30, no. 3, pp. 177–189, 2008. View at Publisher · View at Google Scholar · View at Scopus
  8. S. Itoh, K. Fukuzawa, Y. Hamamoto, and H. Zhang, “Viscoelasticity of PFPE lubricant films on magnetic disk surface measured by optical-fiber-based nanorheometry,” in Proceedings of the Asia-Pacific Magnetic Recording Conference, (APMRC '10), BA2, Singapore, November 2010. View at Scopus
  9. P. M. McGuiggan, J. Zhang, and S. M. Hsu, “Comparison of friction measurements using the atomic force microscope and the surface forces apparatus: the issue of scale,” Tribology Letters, vol. 10, no. 4, pp. 217–223, 2001. View at Publisher · View at Google Scholar · View at Scopus
  10. M. Ruths, “Boundary friction of aromatic self-assembled monolayers: comparison of systems with one or both sliding surfaces covered with a thiol monolayer,” Langmuir, vol. 19, no. 17, pp. 6788–6795, 2003. View at Publisher · View at Google Scholar · View at Scopus
  11. M. Ruths, “Friction of mixed and single-component aromatic monolayers in contacts of different adhesive strength,” Journal of Physical Chemistry B, vol. 110, no. 5, pp. 2209–2218, 2006. View at Publisher · View at Google Scholar · View at Scopus
  12. C. A. J. Putman, M. Igarashi, and R. Kaneko, “Single-asperity friction in friction force microscopy: the composite-tip model,” Applied Physics Letters, vol. 66, pp. 3221–3223, 1995. View at Publisher · View at Google Scholar · View at Scopus
  13. T. Hirota, N. Toyoda, A. Yamamoto, and I. Yamada, “Modification and smoothing of patterned surface by gas cluster ion beam irradiation,” Applied Surface Science, vol. 256, no. 4, pp. 1110–1113, 2009. View at Publisher · View at Google Scholar · View at Scopus
  14. T. Kitagawa, I. Yamada, N. Toyoda et al., “Hard DLC film formation by gas cluster ion beam assisted deposition,” Nuclear Instruments and Methods in Physics Research, Section B, vol. 201, no. 2, pp. 405–412, 2003. View at Publisher · View at Google Scholar · View at Scopus
  15. C.-D. Yeo, M. Sullivan, S. C. Lee, and A. A. Polycarpou, “Friction force measurements and modeling in hard disk drives,” IEEE Transactions on Magnetics, vol. 44, no. 1, pp. 157–162, 2008. View at Publisher · View at Google Scholar · View at Scopus
  16. A. I. Vakis, S.-C. Lee, and A. A. Polycarpou, “Dynamic head-disk interface instabilities with friction for light contact (surfing) recording,” IEEE Transactions on Magnetics, vol. 45, no. 11, pp. 4966–4971, 2009. View at Publisher · View at Google Scholar · View at Scopus
  17. H. Tani, T. Shimizu, N. Kobayashi, Y. Taniike, K. Mori, and N. Tagawa, “Study of molecular conformation of PFPE lubricants with multidentate functional groups on magnetic disk surface by experiments and molecular dynamics simulations,” IEEE Transactions on Magnetics, vol. 46, no. 6, pp. 1420–1423, 2010. View at Publisher · View at Google Scholar · View at Scopus
  18. H. Chen, Q. Guo, and M. S. Jhon, “Effects of molecular structure on the conformation and dynamics of perfluoropolyether nanofilms,” IEEE Transactions on Magnetics, vol. 43, no. 6, pp. 2247–2249, 2007. View at Publisher · View at Google Scholar · View at Scopus
  19. X. C. Guo, B. Knigge, B. Marchon, R. J. Waltman, M. Carter, and J. Burns, “Multidentate functionalized lubricant for ultralow head/disk spacing in a disk drive,” Journal of Applied Physics, vol. 100, no. 4, Article ID 044306, 2006. View at Publisher · View at Google Scholar · View at Scopus
  20. http://bikvar.ru/Fombl/Magn_disk.pdf.
  21. N. Toyoda, I. Yamada, H. Tani, and Y. Sakane, “Surface characterization and lubricant performance on amorphous carbon films irradiated with gas cluster ion beams,” IEEE Transactions on Magnetics, vol. 46, no. 6, pp. 1464–1466, 2010. View at Publisher · View at Google Scholar · View at Scopus
  22. H. Zhang, Y. Mitsuya, K. Namba, H. Sakakibara, K. Fukuzawa, and S. Ito, “Changes of surface roughness and surface energy of glass surfaces with gas cluster ion beam treatment,” JAST Tribologist, vol. 57, no. 2, pp. 116–122, 2012 (Japanese). View at Google Scholar