Contact Analysis of Regular Patterned Rough Surfaces in Magnetic Recording

[+] Author and Article Information
Bharat Bhushan, Xuefeng Tian

Computer Microtribology and Contamination Laboratory, Department of Mechanical Engineering, The Ohio State University, Columbus, OH 43210

J. Electron. Packag 117(1), 26-33 (Mar 01, 1995) (8 pages) doi:10.1115/1.2792064 History: Received November 01, 1994; Online November 06, 2007


The contact of regular patterned rough surface in magnetic recording was analyzed to predict the contact area, meniscus force and permissible load under thin-film lubricated conditions. The contact area, the meniscus force, and the permissible load at the magnetic head-disk interface were studied as a function of the shape, size and the occupation of asperities. Optimum design criteria for both constant occupation and nonconstant occupation of identical asperities were developed to design future magnetic head and disk surfaces.

Copyright © 1995 by The American Society of Mechanical Engineers
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