Thermal Asperities Sensitivity to Particles: Methodology and Test Results

[+] Author and Article Information
Larry Y. Wang, Mike Sullivan, Jim Chao

HMT Technology Corporation, 1055 Page Avenue, Fremont, CA 94538

J. Tribol 123(2), 376-379 (Jun 16, 2000) (4 pages) doi:10.1115/1.1308002 History: Received February 15, 2000; Revised June 16, 2000
Copyright © 2001 by ASME
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Diagram of experimental setup
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Diagram of atomizer mechanism
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Particle size distribution in the chamber
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A typical TA event caused by particle
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Tyipcal TA counts versus scan cycles under in situ air-borne particle injection
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(a), (b) Particles on the disk after 30-cycle TA scans (ID-OD): (a) MD and (b) OD
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The effect of particle concentration on TA sensitivity
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The influence of lubricant thickness on TA sensitivity to particles
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The effect of type of carbon overcoats on TA sensitivity to particles
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The influence of lubricant types on TA sensitivity to particles




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