Self-loaded pendulum for slider flexure stiffness measurements
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United States of America Patent
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Jul 31, 2007
Grant Date -
N/A
app pub date -
Sep 15, 2006
filing date -
Sep 15, 2005
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A device is provided by which the stiffness coefficient of a flexure, in either a pitch or roll direction, can be measured while a slider is mounted thereon and while the flexure and slider are in a loaded condition as might be obtained during normal operational conditions of a HGA in a HDA. There are two methods of making the measurement, a static method in which the slider is loaded by an external weight called a pendulum and the angular displacement of the slider is measured, and a dynamical method in which the pendulum is caused to oscillate while in contact with the slider and its natural and loaded frequencies of oscillation are measured.
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