Measurement of Velocity-Dependent Adhesive Force Exerted on Magnetic Disk Using Micro-Probe of SPM

[+] Author and Article Information
Yasunaga Mitsuya

Nagoya University, Department of Electronic-Mechanical Engineering, Furo-cho, Chikusa-ku, Nagoya 464-8603, Japane-mail: mitsuya@mitsuya.nuem.nagoya-u.ac.jp

Yasuji Ohshima

Aichi Konan College, Liberal Arts Department, 172, Omatsubara, Takaya-cho, Konan 483-8086, Japan

J. Tribol 125(4), 842-849 (Sep 25, 2003) (8 pages) doi:10.1115/1.1573231 History: Received October 03, 2002; Revised January 07, 2003; Online September 25, 2003
Copyright © 2003 by ASME
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Grahic Jump Location
Optical system and experimental apparatus
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Configuration and dimensions of cantilever
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Travel of tip while test piece is approaching
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Fringe pattern observed on cantilever
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Image processing for fringe pattern
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Movement of fringe pattern after initiation of PZT retraction
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Motion of cantilever after initiation of PZT retraction
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Coordinate system and mechanical model
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Travels PZT depending on retractive velocity
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Travels of tip and PZT during separation process
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Curve fitting for transient vibration wave
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Relationship between initial vibration amplitude and damping coefficient
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Reproducibility in measured separation point
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Relationships between retractive velocity and separation force




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