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  • Positioning Stages

Feb 2010
Aerotech Ltd.Request Info
Aerotech Ltd. has added another ANT series of linear positioning stages to its ultrahigh-precision nano Motion Technology (nMT) range of products. The ANT130-L delivers a higher load capacity and provides increased travel of up to 160 mm, while maintaining the nMT characteristics of precision, rapid acceleration, high speed and 1-nm positioning resolution. The stages have a nominal width of 130 mm and are available in 35-, 60-, 110- and 160-mm travel ranges, each with a choice of two certified accuracy grades between ±2 µm and ±250 nm. They offer in-position stability of 3 nm and repeatability to 50 nm. They feature anti-creep cross-roller bearings and deliver zero backlash or hysteresis.


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In a mechanical system, any lost motion between driving and driven elements due to clearance between parts.
This term literally means "to lag behind.'' It is quite often used to describe the residual effect that remains after the primary effect has been removed, or the lag that exists between the responding parameter and the changing parameter; can be seen in stress-strain and magnetizing force-magnetic field relationships.
The degree to which a predetermined or previous setting of a positioning device can be duplicated by observance of the optical phenomena.
1. In optics, the ability of a lens system to reproduce the points, lines and surfaces in an object as separate entities in the image. 2. The minimum adjustment increment effectively achievable by a positioning mechanism. 3. In image processing, the accuracy with which brightness, spatial parameters and frame rate are divided into discrete levels.
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