Category : Motion control, positioning stages > Nanopositioning (components and systems)

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New high-resolution VP stages meet precision positioning demands.

Acclaimed for their high-precision and ultra-compact size, Newport’s VP stages have been established as a reliable solution for the testing and micro assembly of fiber optical devices, micro-optics, MEMS, cell probes and semiconductors.

Featuring high-precision drive technology, including low-friction ball screw and re-circulating ball bearings, the VP stages deliver highly reliable positioning performance at a maximum speed of 25 mm/s. Compared to alternative direct-drive technologies, the ball screw drive of the VP stages has greater thrust for higher servo stiffness and load capacity, as well as minimum tuning efforts. Furthermore, the self-locking at power-off considerably simplifies operational safety.

The recently released VP-25XL high-resolution version of these stages now delivers a reliable 10 nm motion sensitivity, and better than 140 nm bi-directional repeatability, in combination with Newport’s XPS motion controller. These outstanding results are achieved thanks to the advanced encoder interpolation circuitry integrated into the XPS controller that supplies a notable 0.6 nm resolution for internal position calculations.

The modular VP-25XA stages are also highly versatile and can be easily set-up in various configurations to create tailor-made motion platforms.

Specifications:

M-VP-25XL
Travel range 25 mm
Motion sensitivity 10 nm
Bi-directional repeatability 140 nm
On-axis accuracy 2 µm
Maximum speed 25 mm/s
Normal load capacity 60 N

For more information, call your local Newport representative or visit www.newport.com

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