Nano-scale defect mapping on a magnetic disk surface using a contact sensor

IEEE Transactions on Magnetics

Volumn 47, Issue 10, 2011, Pages 3426-3432

  Shimizu, Yuki ^a,c   Xu, Junguo ^b   Kohira, Hidekazu ^a   Kurita, Masayuki ^a   Shiramatsu, Toshiya ^a   Furukawa, Masaru ^b  

^a HITACHI LTD   (Japan)

^b TOHOKU UNIVERSITY   (Japan)

^c SAN JOSE RESEARCH CENTER   (United States)

Author keywords

Contact sensor; hard disk drive; head disk interface; tribology

Indexed keywords

CONTACT SENSORS; DEFECTS; MAGNETIC DISK STORAGE; MAGNETIC HEADS; MAPPING; NANOMAGNETICS; TRIBOLOGY;

ACOUSTIC EMISSION SENSORS; DEFECT DETECTION METHOD; HARD DISK DRIVE; HEAD DISK INTERFACE; HEAD-DISK CONTACT; MAGNETIC DISK SURFACE; MAGNETIC HEAD SLIDERS; OPTICAL SURFACE ANALYZERS;

ACOUSTIC EMISSION TESTING;

EID: 80053465043     PISSN: 00189464     EISSN: None     Source Type: Journal    
DOI: 10.1109/TMAG.2011.2144961     Document Type: Article

References (11)

1. M. Kurita, J. Xu, M. Tokuyama, K. Nakamoto, S. Saegusa, and Y. Maruyama, "Flying-height reduction of magnetic head slider due to thermal protrusion," IEEE Trans. Magn., vol. 41, no. 5, pp. 3007-3009, 2005.
2. R. J. Wallace, "Reproduction of magnetically recorded signals," Bell Syst. Tech. J., pp. 1145-1173, Oct. 1951.
3. K. B. Klaassen and J. C. L. van Peppen, "Head-medium clearance and lateral track registration of a recording head asmeasured from the readback signal," IEEE Trans. Magn., vol. 37, no. 1, pp. 575-582, Jan. 2001.
4. B. Liu, Z. M. Yuan, and Y. J. Man, "Tribo-magnetics and nanometer spaced head-disk systems," IEEE Trans. Magn., vol. 37, no. 2, pp. 918-923, 2001.
5. J. Xu, Y. Shimizu, and L. Z. Su, "Drive level measurement of flying height modulation and control of slider disk contact," Tribology Lett., vol. 24, no. 2, pp. 159-162, 2006.
6. U. V. Nayak, C. K. Lee, T. C. O'Sullivan, J. Hernandez-Fernandez, and D. Gonzalez, "An overview of glide testing," IEEE Trans. Magn., vol. 39, no. 2, pp. 729-734, 2003.
7. Y. Li and A. R. Kumaran, "Determination of flash temperature in intermittentmagnetic head/disk contacts usingmagnetoresistive heads: Part 1-Model and laser simulation," J. Tribology, vol. 115, pp. 170-178, 1993.
8. Y. Li and A. R. Kumaran, "Determination of flash temperature in intermittentmagnetic head/disk contacts usingmagnetoresistive heads: Part 2-Experimental investigation," J. Tribology, vol. 115, pp. 179-184, 1993.
9. D. W. Abraham, A. P. Praino,M. E. Re, and H. K.Wickramasinghe, "Method and apparatus for detecting asperities on magnetic disks using themal proximity imaging," U.S. patent 5,527,110, Jun. 18, 1996.
10. B. Marchon and T. Olson, "Magnetic spacing trends: From LMR to PMR and beyond," IEEE Trans.Magn., vol. 45, no. 10, pp. 3608-3611, 2009.
11. N. Li, L. Zheng, Y. Meng, and D. B. Bogy, "Experimental study of head-disk interface flyability and durability at sub-1-nm clearance," IEEE Trans. Magn., vol. 45, no. 10, pp. 3624-3627, 2009.