High-Accurary Piezo Actuator with Capacitance Sensor
NCZ-20 actuator can be used for
very high accuracy nanometer and
sub-nanometer scanning and
positioning purposes. It has a
built-in capacitance sensor. Use this
actuator with nDimension Tech's
high resolution digital feedback
controller, 0.1 nanometer accuracy
can be achieved. The step response
is as fast as 0.5 ms without any
lower frequency side oscillations to
affect the positioning performance.

Technical Data
Model
NSZ-20
Motion
20 um
Accuracy
0.1 nm
Resonant Frequency
6 KHz
Non Linearity
< 0.02%
Voltage
-10...+150V
Max Force
800 N
Stiffness
20 N/um
Length
44 mm
Diameter
20.5 mm
Sensor Type
Capacitance
The picture below shows the closed-loop step response of the NCZ-20 Piezo
actuator with setting time of 0.5ms.
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n Dimension Technologies
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