Miniature Nanopositioning Stages utilize piezo-walk motor.

Press Release Summary:

Measuring less than 1 in. wide, LPS-24 Series provides 15 mm travel and is equipped with piezo-walk motor which features 1 lb of thrust and several operating modes: long distance, high-dynamics nanostepping with less than 1 nm resolution, and constant velocity mode. Self-clamping design delivers long-term power-off position-hold capabilities without need for brake. PIone closed-loop, interferometric linear encoder offers 2 nm resolution as standard with 0.5 nm available on request.

Original Press Release:

Precision Positioning Systems go Nano: New Miniaturized Piezo-Motor Driven Nanopositioning Stage by PI

Precision positioning systems specialist Physik Instrumente (PI) recently introduced a new series of miniaturized, piezo-motor-driven linear positioners at the 2013 LASER World of PHOTONICS conference -- the world’s largest trade show for lasers and photonics related products -- in in Munich, Germany,.

PI’s new LPS-24 positioners are less than one inch wide and provide 15 mm travel range with closed-loop sensor resolution up to 2 nanometers.  The small dimensions make these new positioners the ideal choice for high precision motion in confined spaces. A vacuum rated version is also available.

More Information: Specifications and Datasheet:

Drawings, specifications and datasheets can be found at:

Reference-Class Linear Positioning Stages

These new reference class miniature positioners are equipped with a powerful piezo-walk motor providing thrust of 5 N (1 lb).  Users have a choice of two linear encoders, depending on the precision requirements of the application.

Self-Locking Piezo Walk Linear Motor

The proprietary, high-resolution piezoelectric linear motor drive offers several operating modes: long distance, high-dynamics nanostepping (<1 nm resolution) and constant velocity mode.  The self-clamping motor design provides long-term power-off position-hold capabilities without the need for a brake, another space and energy saving advantage of the LPS-24. 

Closed-Loop, Interferometric Linear Encoder

With the patented PIone linear encoder, resolution of 2 nanometers is standard,  and a 0.5 nanometer version is available on request.  For lower precision requirements, a 150nm resolution sensor is offered.

Applications of the LPS Linear Positioner

Precision positioning and alignment of (fiber) optical or mechanical components in applications where space is at a premium.  Examples are research and OEM instrumentation in fields such as precision-optics, life-sciences, medical design and bio/nano-technology.

Custom Designs

PI has a long history of working with instrumentation manufacturers and can easily modify existing designs or completely customize piezo devices to fit the exact requirements of the application.

About PI

Well-known for their high standard of quality the PI group is a leading player in the global market of precision positioning technology. The strategy of vertical integration has allowed PI to control all critical components of its positioning systems and provide outstanding standard and OEM products for many decades. PI is present worldwide with 10 subsidiaries, R&D and engineering on 3 continents and total staff of 700+

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