Dynamics of Gas-Lubricated Slider Bearings in Magnetic Recording Disk Files—Part I: Experimental Observation

[+] Author and Article Information
D. K. Miu

University of California, Los Angeles, Calif.

D. B. Bogy

University of California, Berkeley, Calif.

J. Tribol 108(4), 584-588 (Oct 01, 1986) (5 pages) doi:10.1115/1.3261271 History: Received June 20, 1985; Online October 29, 2009


This two part paper presents the experimental observation and numerical simulation of the dynamic response of self-acting gas-lubricated slider bearings used to maintain the sub-micron spacings between the Read/Write transducers and the rotating disks in magnetic recording disk files. In this Part I, a novel laser Doppler interferometric technique is used to measure the transient motions of the R/W head as it encounters an artificially introduced crater-like surface imperfection and a sputtered rectangular step.

Copyright © 1986 by ASME
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