Non-Symmetrical three-lobe bearing spindle technology: A drive technology to increase aerial density

IEEE Transactions on Magnetics

Volumn 32, Issue 3 PART 2, 1996, Pages 1721-1726

  Yoshida, Shinobu ^a   Kohno, Takashi ^a   Saegusa, Shozo ^a   Terayama, Takao ^a   Yoshida, Takashi ^a   Hirai, Hiromu ^a   Hamada, Yosuke ^a   Yamaguchi, Takashi ^a  

^a HITACHI LTD   (Japan)

Author keywords

[No Author keywords available]

Indexed keywords

AXLES; BALL BEARINGS; DATA TRANSFER; ELECTRIC MOTORS; MAGNETIC FILMS; MAGNETIC RECORDING; POSITION CONTROL; SPECIFICATIONS; VIBRATION CONTROL;

AERIAL DENSITY; DATA TRANSFER RATE; FLUID FILM SPINDLE; NONREPEATABLE RUNOUT; THREE LOBE BEARING; TRACK MISREGISTRATION;

HARD DISK STORAGE;

EID: 0030146512     PISSN: 00189464     EISSN: None     Source Type: Journal    
DOI: 10.1109/20.492855     Document Type: Article

References (8)

1. C. Tsang, R. E. Fontana, T. Lia D. E. Heim, V. S. Speriosu, B. A. Gurney, and M. L. Williams, "Desibn, fabrication and testingof spin-valve read heads for high density recording," IEEE Tans. Magn., Vol. 30, no. 6, 3801, 1994.
2. R. Wood, "The achievement of very high track-densities in rigid disk drives," Proceedings of International Disk Forum '95, Session III, published by the International Disk Drive Equipment and Materials Association, Japan, 1995.
3. O. Matsushita, T. Sonoda, H. Ohta, J. Naruse, Y. Inoue, and I. Koromegawa, "Vibration analysis of disk-spindle under ball bearing excitation in HDA," Trans. of JSME, Series C, Vol. 52, no. 474, 439, 1986.
4. K. Ono, N. Saiki, Y. Sanada, and A. Kumano, "Analysis of non-repeatable radial vibration of magnetic disk spindles," J. of JSPE, Vol. 5, no. 5,914, 1989.
5. Muijderman, E. A., Remmers, G., Tielemans, L. P. M, "Grease lubricated spiral groove bearings," Philips Tech. Rev. 39, 617, 1980.
6. K. Nil, "A polygon-mirror-motor with magnetic fluid bearing," MACHINE TOOL & MACHINE-TECHNOLOGY, 124, February 1992.
7. T. Kohno, M. Nakano, K. Tomida, and T. Inoue, "Developement of fluid dynamic bearing motor for hard disk drives," Proceedings of Conference on Information, Intelligence, and precision Equipment (IIP "95), published by JSME, no. 95-49, 29, 1995.
8. O. Matsushita, M. Takagi, R. Takahashi, "Vibration analysis of rotor-bearing system by quasi-normal transformation," Trans. of JSME, Series C, Vol. 48, no. 431, 925, 1982.