Vertical-Lift Stage provides high precision.

Press Release Summary:

Model ANT-4V offers speeds up to 50 mm/sec, 2 nm resolution, when combined with MXH multiplier, 60 picometers with Automation 3200, and 200 nm accuracy. Non-cogging, non-contact direct drive employs direct position feedback. All critical elements of ANT-4V are suitable for continuous operation and stage requires no maintenance.

Original Press Release:

ANT-4V High-Precision Vertical Lift Stage

o Compact construction
o Outstanding rigidity
o Noncontact direct drive
o 2 nm resolution; 60 picometers with Automation 3200
o High repeatability
o Outstanding in-position stability
o No maintenance

The ANT-4V represents a significant breakthrough in vertical alignment of high-precision components. This unique, patented device incorporates the best high-performance features: high speed (50 mm per second), high resolution (2 nm), superior in-position stability, and high accuracy (200 nm), in one compact package. Its superior noncontact direct drive employs high-accuracy direct position feedback. When combined with Aerotech's MXH multiplier, it offers an industry-leading 2 nm resolution in addition to high speed and accuracy.

All the critical elements of the ANT-4V were selected to operate in a 24/7 environment and, unlike screw- or piezo-based vertical stages, the ANT-4V requires no maintenance and will assure years of trouble-free operation.

Noncontact Direct Drive
Only noncontact direct-drive technology offers the robust, accurate, and high-speed positioning necessary for mass production of precision devices. ANT stages utilize advanced direct-drive technology pioneered by Aerotech (patent pending) to achieve the highest level of positioning performance. This direct-drive technology is high-performance, non-cogging, noncontact, high-speed, high-resolution, and high-accuracy. This unique drive technology offers a significant (several times higher) throughput advantage over conventional screw and piezo-drive-based systems.

To learn more about the ANT-4V series, please contact Tom Markel at Aerotech, Inc., 101 Zeta Drive, Pittsburgh, PA 15238, 412-963-7470, 412-963-7459, Additional information on the ANT-4V series is available on the Aerotech website at

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