Catalogue The World of Nanopositioning and Micropositioning
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Piezo Nano Positioning

Groundbreaking Technologies from PI

Capacitive Displacement sensors PILine
® Ultrasonic Piezomotors Single and dual PICMA
® Piezoelectric actuators NEXLINE
® Nano Drive Technology Based on a new ultrasonicceramic drive, they are light, compact, self-locking, vacuum compatible and have a number of other advantages over clas- sical linear motors. Non-contact and absolute-measuring, with subnanometerresolution, excellent linearity and high bandwidth. Ideally suited for parallel metrology configurations. Monolithic multilayer piezoactuators with ceramic encap- sulation. Insensitive to atmos- pheric humidity, longer lifetime and wider operating tempera- ture range than conventionalmultilayer piezo industrial actuators.Ideal for vacuum operation. Addresses the drawbacks of existing nanopositioning drives.Provides long travel, subnano- meter resolution and very high forces. Non-magnetic, UV- and vacuum compatible. electrode designs. Active Trajectory Control Dynamic Digital Linearization Compensates crosstalk andguidance errors achieving ac-curacies in the subnanometerand submicroradian range. Reduces phase shifts and track-ing errors of piezo nanoposi- tioning systems used in fastscanning applications. Im-proves dynamic linearity by up to 1000-fold. Parallel Kinematics /Hexapods Parallel Metrology Design Allows design of compact, stiffmicro- and nanopositioning stages with minimal inertia for fastest possible response; no cumulative guiding error and no moving cables. Permits better multi-axis accu-racy by keeping all motion onall controlled axes inside the servo-loop. Parallel metrology is a requirement for active tra- jectory control. InputShaping
® Piezo Controllers Stops self-excited vibrationsinside or outside the servo-loop before they start. Achieves fastest possible settling—usu- ally within one period of the resonant frequency.
A-5
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