Ceramic motor
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United States of America Patent
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Feb 3, 1998
Issued Date -
N/A
app pub date -
Mar 19, 1996
filing date -
Aug 3, 1993
priority date (Note) -
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Abstract
A disc drive including a piezoelectric plate having two long and two short edges and a spacer attached to one of the long edges and at least one arm pivotable about an axis, the arm having first and second ends spaced from the axis and on opposite sides thereof, a read/write head attached to the first end of the arm and a rigid element on the second end of the arm, wherein the spacer of the piezoelectric plate is resiliently urged against the rigid element. In one preferred embodiment of the invention, the piezoelectric plate is stationary. In another preferred embodiment of the invention, the piezoelectric plate is movable with respect to the axis.
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