NDLI: Effects of Track-Seeking Motion on the Flying Attitudes of Ultralow Flying Sliders

Content Provider	IEEE Xplore Digital Library
Author	Jia-Yang Juang Kubotera, H. Bogy, D.B.
Copyright Year	1965
Abstract	The flying height (FH) change during a track-seeking motion becomes of significant concern for ultralow flying sliders. The presence of nanoscale adhesion forces, such as intermolecular and electrostatic forces, can adversely decrease the FH and even cause head-disk impact. A quasi-static approximation of track-seeking motion is proposed here, which if sufficiently accurate can substantially decrease the computation time over that required for a dynamic analysis. The track-seeking performances of four different air bearing surface (ABS) designs are numerically investigated by the quasi-static approximation, and the results are compared with those computed by the CML Dynamic Simulator. The former gives good agreements with the latter but with much less computation effort. The effects of various factors causing FH changes are presented and compared quantitatively. The effective skew angle is found to be the dominant factor, but the inertia effect is also not negligible. Two designs, called Scorpion III and IV, designed previously as active FH control sliders, are found to exhibit an enhancement in track-seeking performance, compared with two other conventional ABS designs
Sponsorship	IEEE Magnetics Society
Starting Page	2522
Ending Page	2524
Page Count	3
File Size	715696
File Format	PDF
ISSN	00189464
Volume Number	42
Issue Number	10
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-10-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Tracking Computational modeling Laboratories Adhesives Electrostatics USA Councils Equations Mechanical engineering Disk drives Intelligent systems track-seeking motion Flying height hard disk drives head-media interface intermolecular and electrostatic forces
Content Type	Text
Resource Type	Article
Subject	Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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