A new method is introduced for predicting particle and liquid droplet contamination on an air bearing surface. The method primarily relies on the analysis of flow patterns nearest the air bearing surface, restricted to two dimensions. In addition, a mathematical model for the vertical flow perpendicular to the disk surface adds clarity to the contamination mechanisms. The predictions compare well with contamination patterns observed in prototype disk drives.
Issue Section:
Research Papers
1.
Koka
, R.
, 1989, “Effects of Fine Particles on the Slider/Disk Interface in Rigid Disk Drives
,” Tribology and Mechanics of Magnetic Storage Systems, VI, STLE SP-26, pp. 40
–46
.2.
Hiller
, B.
, and Singh
, G. P.
, 1991, “Interaction of Contamination Particles With the Particulate Slider/Disk Interface
,” Adv. Inf. Storage Syst.
1053-184X, 2
, pp. 173
–180
.3.
Zhang
, S.
, Wang
, L.
, Jones
, P.
, and Lopatin
, G.
, 1999, “Numerical and Experimental Study of the Particle Contamination in a Head/Media Interface
,” IEEE Trans. Magn.
0018-9464, 35
(5
), pp. 2442
–2444
.4.
Xu
, J.
, Tokisue
, H.
, Tanaka
, H.
, and Matsumoto
, M.
, 2003, “In-situ Studies of Contamination at Hard-Disk Interface
,” Microsyst. Technol.
0946-7076, 9
, pp. 250
–255
.5.
Chung
, K.-H.
, Oh
, J.-K.
, Moon
, J.-T.
, and Kim
, D.-E.
, 2004, “Particle Monitoring Method Using Acoustic Emission Signal for Analysis of Slider/Disk/Particle Interaction
,” Tribol. Int.
0301-679X, 37
(10
), pp. 849
–857
.6.
Bhushan
, B.
, and Tambe
, N. S.
, 2003, “Role of Particulate Contamination on Friction and Wear and Durability of Load/Unload and Padded Picosliders
,” IEEE Trans. Magn.
0018-9464, 39
(2
), pp. 857
–863
.7.
Zhang
, S.
, and Bogy
, D. B.
, 1997, “Effects of Lift on the Particle Motion in Recessed Regions of a Slider
,” Phys. Fluids
1070-6631, 9
, pp. 1265
–1272
.8.
Zhang
, S.
, and Bogy
, D. B.
, 1997, “Slider Designs for Controlling Contamination
,” ASME J. Tribol.
0742-4787, 119
, pp. 537
–540
.9.
Shen
, X.
, and Bogy
, D. B.
, 2003, “Study of Transverse Flow Effects on Particle Flows and Contamination of Air Bearing Sliders
,” ASME Magnetic Storage Symposium
, Vol. 125
, pp. 1
–6
.10.
Zeng
, Q.
, Pit
, R.
, Payne
, R.
, Baumgart
, P.
, and Huang
, F.-Y.
, 2005, “Modeling and Simulation of Hard-Particle Interaction in Head/Disk Interfaces
,” IEEE Trans. Magn.
0018-9464, 41
(2
), pp. 604
–609
.11.
Gross
, W. A.
, 1980, Fluid Film Lubrication
, Wiley
, New York
.12.
Fukui
, S.
, and Kaneko
, R.
, 1988, “Analysis of Ultra-Thin Gas Film Lubrication Based on Linearized Boltzmann Equation: First Report-Derivation of A Generalized Lubrication equation Including Thermal Creep Flow
,” ASME J. Tribol.
0742-4787, 110
, pp. 253
–261
.13.
Fukui
, S.
, and Kaneko
, R.
, 1990, “A database for Interpolation of Poiseuille Flow rates for High Knudsen Number Lubrication Problems
,” ASME J. Tribol.
0742-4787, 112
, pp. 78
–83
.14.
Burgdorfer
, A.
, 1959, “The Influence of the Molecular Mean Free Path on the Performance of Hydrodynamics Gas Lubrication Bearing
,” ASME J. Basic Eng.
0021-9223, 81
(1
), pp. 94
–100
.15.
Ruiz
, O. J.
, and Bogy
, D. B.
, 1990, “A Numerical Simulation of the Head-Disk Assembly in Magnetic Hard Disk: 1. Component Model
,” ASME J. Tribol.
0742-4787, 112
, pp. 593
–602
.16.
Lu
, S.
, 1997, “Numerical Simulation of Slider Air Bearing
,” Ph.D. thesis, University of California, Berkeley.17.
Grisso
, R.
, and Bogy
, D. B.
, 1999, “CML Air Bearing Design Program User’s Manual Version 5
,” Technical Report No. 9924, CML, University of California
, Berkeley.Copyright © 2008
by American Society of Mechanical Engineers
You do not currently have access to this content.
