Glide test slider having electrically isolated piezoelectric crystal for improved noise suppression
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Jan 25, 2000
Grant Date -
N/A
app pub date -
Nov 10, 1997
filing date -
Apr 28, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A high resolution, low noise glide height test slider is provided to detect irregularities on a surface of a rotatable disc. A slider body is arranged to be supported by a support structure in predetermined spaced relation to the surface of the disc as it is rotating. A piezoelectric element on the slider body senses vibration forces acting on the slider body. The slider is electrically isolated from external noise sources.
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