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TECHNICAL PAPERS

Numerical and Experimental Investigations of the Head/Tape Interface in a Digital Linear Tape Drive

[+] Author and Article Information
Sanwu Tan, Frank E. Talke

CMRR, University of California, San Diego, La Jolla, CA 92093-0401

J. Tribol 123(2), 343-349 (Jun 16, 2000) (7 pages) doi:10.1115/1.1352739 History: Received October 25, 1999; Revised June 16, 2000
Copyright © 2001 by ASME
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References

Figures

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DLT-type three-bump head/tape interface
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Geometry model of the three-bump head
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Comparison of calculated and measured head/tape spacing profiles
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Air bearing pressure of the head/tape interface
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Comparison of measured and calculated head/tape spacing: (a) spacing as a function of tape tension; (b) spacing as a function of tape speed.
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Simulation of “tape tenting”
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DLT five-bump head/tape interface 20
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Model of the five-bump head/tape interface
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Head/tape spacing profiles of the central and the left island
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Pressure profiles of the central and the left island
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Effect of tape speed on the spacing of the five-bump head/tape interface
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Effect of tape tension on the head/tape spacing
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Effect of island radius on the head/tape spacing: (a) head/tape spacing; (b) air bearing pressure.
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Effect of island penetration on the head/tape interface: (a) head/tape spacing; (b) air bearing pressure.
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Effect of radius and penetration on the head/tape interface: (a) effect of island radius; (b) effect of island penetration.
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Spacing and pressure as a function of overall tape wrap angle: (a) head/tape spacing; (b) air bearing pressure.
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Definition of the overall tape wrap angle and the local tape wrap angle
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Spacing and pressure as a function of local tape wrap angle: (a) head/tape spacing; (b) air bearing pressure.

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