Product category:
Positioning stages - linear, rotary, multi-axis
News Release from: Micromech | Subject: Open centre Alio X-Y stages
Edited by the Manufacturingtalk Editorial
Team on 31 January 2008
Open centre X-Y stages are sub-micron
precise
Open centre X-Y stages are for a wide range of applications needing not only nano repeatability and accuracy of position but extreme flatness and straightness of motion.
Open centre Alio X-Y stages offer a choice of linear servomotors or ceramic servomotors with Renishaw tape scale, Invar scale and or RLE Laser closed loop position The open centre X-Y designs cover 25mm to over 400mm of travel in each axis with large apertures
This article was originally published on Manufacturingtalk on 28 Apr 2004 at 8.00am (UK)
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They are for a wide range of applications needing not only nano repeatability and accuracy of position but extreme flatness and straightness of motion.
The stages are tested and qualified with a Renishaw ML10 laser interferometer traceable to NIST, giving Alio true data and not optimistic spec sheet precision.
The Alio 150mm travel standard precision X-Y stage has X and Y flatness and straightness of linear travel of less than 2 micron (+/-1 micron) per axis over 150mm of travel.
With Invar scales the repeatability is less than 150nm (+/-75nm) with an accuracy less than 1 micron without laser calibration.
With less expensive tape scales on the 150mm X-Y the accuracy un-calibrated is less than 7 micron (+/-3.5 micron) over range with less than 0.4 micron of repeatability while maintaining the precision of flatness and straightness previously mentioned.
* About Alio - Alio is the world leader in design and manufacture of precision stages and robotics for the nanometre precision motion world.
The demand for more precision open centre stages than past legacy products has caused Alio to introduce the most precise mechanical bearing open centre stages commercially available in the world market for atmosphere or UHV environments.
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