Why use Piezo Motors for Precision Positioning or Fast Actuation? By www.piezo-motor.net
Channel: Physik Instrumente USA - Precision Motion Control
Date: 2011-08-22

More on piezo motors http://www.www.piezo-motor.net Advantages are: Compact, self locking, high force, non-magnetic, vacuum-compatible, long-life, extreme stability, works in MRI, works for high-energy experiments. Position hold w/o electronics active.
http://www.www.piezo-motor.net