Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
February 15, 2011
Patent Application Number
11831175
Date Filed
July 31, 2007
Patent Primary Examiner
Patent abstract
An actuator subsystem for use in a scanning probe microscope (SPM) system having a probe for measuring a sample comprises and actuator and an actuator driving circuit. The actuator operates in the SPM system to generate relative motion between the probe and the sample while the SPM system collects data indicative of a property of the sample. The relative motion includes a range of motion of at least 1 micron. The actuator driving circuit applies a drive signal to the actuator to cause the relative motion, and has a small signal bandwidth of at least 200 kHz with a phase lag of not more than 100 degrees within the small signal bandwidth.
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