PI announces new positioning stage

Nov. 3, 2006 — PI (Physik Instrumente) L.P., a manufacturer of nanopositioning and precision motion-control equipment for bio/nanotechnology, photonics, semiconductor and life science applications, announced the V-106 QuickScan series of PCI-card-driven, high-speed voice coil positioning stages, providing up to 20 mm (0.8 in.) of travel and resolution to 100 nanometers.

These closed-loop stages were designed for high-dynamics precision motion control applications, like those in biotechnology; laser beam control; scanning; optics & lens finishing; and fiber optics.

The stage is based on a frictionless, backlash-free, voice coil linear motor drive and a high-precision optical encoder featuring 100 nanometer resolution. The systems are designed to provide extremely smooth motion with velocities to 240 mm/s.

The company says the V-106 QuickScan stages achieve significantly higher dynamics than leadscrew-based units, with scanning frequencies to 20 Hz and above for small loads. It also claims another advantage of the frictionless voice coil drive is greater reliability and lifetime than screw-type drive mechanisms.

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