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Digital Nanopositioning

BioPhotonics
Jan 2011
PI (Physik Instrumente) L.P., Air Bearings and Piezo Precision MotionRequest Info
 
PI (Physik Instrumente) L.P. has introduced the E-709, a piezo nanopositioning controller that provides digital functionality in the size of a paperback for the price of analog. Fifth-order polynomial digital linearization ensures higher accuracy than analog, and two notch filters allow faster response and piezo operation at higher frequencies. A fast servo update rate also ensures responsiveness. The digital-to-analog converter in-the-loop architecture guarantees positional stability. The system is supplied with USB, RS-232, real-time analog and transistor-transistor logic high-speed interfaces, and easy-to-install software for remote access and servo tuning. Applications include bio-, nano- and semiconductor technology, and lithography and optics.


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GLOSSARY
analog
A physical variable that is proportionally similar to another variable over a specified range. An analog recording contains data that is similar to the source.
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.
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