Precision in Mechanical Testing of Magnetic Recording Thin-Film Disks

[+] Author and Article Information
A. J. Bowen

Storage Systems Products Division, IBM Corporation, Rochester, MN 55901

J. Tribol 115(3), 376-381 (Jul 01, 1993) (6 pages) doi:10.1115/1.2921646 History: Received January 30, 1992; Revised July 01, 1992; Online June 05, 2008


A sensitive mechanical test for magnetic recording thin film disks is described. A model that explains the increased sensitivity is correlated to different heads and test methods. A major improvement in test precision is possible due to the reuse of test heads when water vapor is used to highlight the slightest wear to the disk.

Copyright © 1993 by The American Society of Mechanical Engineers
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