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  • PI Releases Catalog

Photonics.com
Nov 2010
AUBURN, Mass., Nov. 10, 2010 — PI (Physik Instrumente) L.P., a manufacturer of piezo ceramic actuators and precision motion-control equipment for semiconductor, biomedical and nanotechnology applications, has released a new catalog on piezo mechanisms.

The 400-page catalog presents PI’s complete spectrum of piezomechanic components and motion systems, from simple, direct actuators to long-travel ceramic linear motors and complex multiaxis flexure-guided nanopositioning stages. A separate section lists the latest digital control electronics.

The catalog also includes a tutorial on piezo design for positioning applications.

The various types of piezo mechanisms available are outlined below. Each type is designed for a unique application category.

Direct Piezo Actuators: Z-Stacks, Shear (X, X-Y)
  • Highest force (to 10,000 lbf)
  • Fastest response: microseconds to milliseconds
  • Short travel ranges: 2-100 µm
Piezo Flexure Lever Actuators

  • Longer travel to 2 mm
  • Flexure guiding system for straight motion
  • Response <1 ms
Ultrasonic Linear Motors

  • For high-speed automation and microscopy
  • Long travel (tens to hundreds of millimeters)
  • Fast: to 500 mm/s
  • Low profile, self-locking
PiezoWalk Linear Motors

  • High force (4 to 170 lb)
  • Compact, self-locking
  • Long travel (tens of millimeters)
Piezo Flexure Positioning Stages

  • Multiaxis motion, highest precision class (subnanometer)
  • Applications in semiconductor technology, nanotechnology, AFM, superresolution microscopy, etc.

The catalog can be downloaded at:  http://www.piezo.ws/pdf/Piezo_Mechanism_Cat10.pdf 

For more information, visit:  www.pi-usa.us 




GLOSSARY
actuator
Mechanical device intended for the translation (rotational and linear) using high precision control from electronically operated circuits. See linear actuator; rotary actuator.
component
1. A constituent part. It may consist of two or more parts cemented together, or with near and approximately matching surfaces. 2. The projection of a vector on a certain coordinate axis or along a particular direction. 3. In a lens system, one or more elements treated as a unit. 4. An optical element within a system.
electronics
That branch of science involved in the study and utilization of the motion, emissions and behaviors of currents of electrical energy flowing through gases, vacuums, semiconductors and conductors, not to be confused with electrics, which deals primarily with the conduction of large currents of electricity through metals.
nanotechnology
The use of atoms, molecules and molecular-scale structures to enhance existing technology and develop new materials and devices. The goal of this technology is to manipulate atomic and molecular particles to create devices that are thousands of times smaller and faster than those of the current microtechnologies.
shear
Image distortion that occurs when the axes of the original image are not perpendicular in the resulting image, making the resulting image appear slanted. Shear can be caused by movement of the original image during scanning or misaligment of the X and Y scanners.
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