Synonyms
Definition
The air bearing surface in a hard disk drive is the surface of the slider facing the disk and is aerodynamically lubricated.
Scientific Fundamentals
Modified Compressible Reynolds Equation
Lubrication theory and its application to journal bearings and the like was one of the primary means of the Industrial Revolution in the nineteenth century. This theory is based on the fluid mechanics of incompressible fluids (oil, etc.) in “thin” regions. The lubrication equation, commonly called the Reynolds equation, is derived from the incompressible form of the Navier–Stokes equations of fluid mechanics. For application to air or other gas bearings of hard disk drives (HDD), the lubrication equation for compressible fluids is required. This was recognized and developed by Gross (1959), and also in his subsequent book (Gross 1962), which are must reading for students or engineers entering the field of HDD air bearing design. It was recognized in the...
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R.K. Brunner, J.M. Harker, K.E. Haughton, A.G. Osterlund, A gas film lubrication study: part III, experimental investigation of pivoted slider bearings. IBM J. Res. Dev. 3, 260 (1959)
D. Chen, D.B. Bogy, A phenomenological heat transfer model for the molecular gas lubrication system in hard disk drives. J. Appl. Phys. 105, 084303 (2009)
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S.C. Garcia, D.B. Bogy, F.E. Talke, Use of upwind finite element scheme for air bearing calculations. ASME/ASLE Proceedings SP-16, 90 (1984)
W.A. Gross, A gas film lubrication study: part I, some theoretical analyses of slider bearings. IBM J. Res. Dev. 3, 237 (1959)
W.A. Gross, Gas Film Lubrication (Wiley, New York, 1962)
W.A. Gross, Origins and early development of air-bearing magnetic heads for disk-file digital storage systems. Tribology and Mechanics of Magnetic Storage Systems. ASLE SP-16, 63 (1984)
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D.W. Meyer, P.E. Kupinski, J.C. Liu, Slider with temperature responsive transducer position, US Patent 5,991,113, 1999
W.A. Michael, A gas film lubrication study: part II, numerical solution of the Reynolds equation for finite slider bearings. IBM J. Res. Dev. 3, 256 (1959)
W. Srituravanich, L. Pan, Y. Wang, C. Sun, D.B. Bogy, X. Zhang, Flying plasmonic lens in the near field for high-speed nanolithography. Nat. Nanotechnol. 3, 733 (2008)
M.W. Warner, Flying magnetic transducer assembly having three rails, US Patent 3,823,416, 1974
J.W. White, A. Nigam, A factored implicit scheme for the numerical solution of the Reynolds equation at very low spacing. Trans. ASME J. Lubr. Tech. 102, 80 (1980)
L. Wu, D.B. Bogy, Effect of the intermolecular forces on the flying attitude of Sub-5 NM flying height air bearing sliders in hard disk drives. ASME J. Tribol. 124, 562 (2002)
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Bogy, D.B., Chen, D. (2013). ABS Designs. In: Wang, Q.J., Chung, YW. (eds) Encyclopedia of Tribology. Springer, Boston, MA. https://doi.org/10.1007/978-0-387-92897-5_987
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DOI: https://doi.org/10.1007/978-0-387-92897-5_987
Publisher Name: Springer, Boston, MA
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