Nanogripper device having length measuring function and method for length measurement executed with nanogripper device having length measuring function
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United States of America Patent
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Mar 4, 2008
Grant Date -
Oct 5, 2006
app pub date -
Jul 14, 2005
filing date -
Jul 16, 2004
priority date (Note) -
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Abstract
A fixed electrode and a movable electrode used to drive each arm are disposed at a drive unit. As a voltage is applied between the fixed electrode and the movable the electrode, a coulomb force causes the movable the electrode to move, thereby driving the arms along the closing direction. The dimensions of a sample can be measured based upon the electrostatic capacity achieved between the electrodes when the sample becomes gripped by the arms.
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