Behavior of the head-disk interface in future disk drives

A critical review of existing head-disk interface modeling capabilities is given. Modeling of two important technologies, miniaturization of current air-bearing devices and viscoelastic bearings, e.g., VISqUS technology, is studied in a unified manner. New developments are: (i) the Fokker-Planck equ...

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Bibliographic Details
Published in:IEEE transactions on magnetics 1994-03, Vol.30 (2), p.410-416
Main Authors: Jhon, M.S., Peck, P.R., Simmons, R.F., Janstrom, T.J.
Format: Article
Language:English
Subjects:
Applied sciences
Costs
Disk drives
Disk recording
Elasticity
Electronics
Energy consumption
Equations
Exact sciences and technology
Magnetic heads
Magnetic recording
Mathematical model
Recording and replay of audio and video signals
Storage and reproduction of information
Viscosity
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Summary:A critical review of existing head-disk interface modeling capabilities is given. Modeling of two important technologies, miniaturization of current air-bearing devices and viscoelastic bearings, e.g., VISqUS technology, is studied in a unified manner. New developments are: (i) the Fokker-Planck equation is adopted for rarefaction effects (instead of Boltzmann equation) in air-bearing technology; and (ii) systematic studies on incompressible liquid bearings are performed.< >
ISSN:0018-9464
1941-0069
DOI:10.1109/20.312295