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Publication Date: 08/1/2010
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PI Intros Affordable Hexapod 6-Axis Alignment System
6-axis motion control system.
Auburn, MA — Nanopositioning Specialist PI (Physik Instrumente) L.P. has introduced the F-206.S, Six-Axis Hexapod Alignment System. Calling it the most affordable precision positioning system of its kind, the company states that it provides 6D motion with 33 nanometer resolution and advanced alignment software for optics and photonics components.

The "parallel-kinematics" design with a virtual pivot point and vector-based 6D motion-controller is what sets the F-206.S system apart from conventional "stacked multiaxis positioners". Due to the reduced moving mass (only one common lightweight platform for all 6 actuators) the system can respond and settle much faster. It is also considerably more compact and accurate than conventional multi-axis stage stacks (serial kinematics). Its parallel-kinematics design and advanced, digital 6D controller minimizes unwanted crosstalk motion. The system is valuable for any complex, high-accuracy positioning and alignment task where independent, high-precision motion in six degrees of freedom is required. Its flexibility is based on the virtual-pivot-point capability built into the controller. Since Hexapod motion is not determined by fixed bearings but real-time, 6-space control algorithms, this point can be chosen freely with a single software command, a prerequisite for fast and accurate alignment tasks.

The Hexapod comes with powerful control and alignment software, LabView® drivers, DLLs, etc. and many programming examples. When equipped with an optional high-speed photometer card, the Hexapod aligns arrays, waveguides and collimators up to 10 times faster than conventional multiaxis positioning stages.

The system is suitable for precision positioning, alignment and testing of optics, photonics and MEMS components, nanolithography, micromanipulation, and microsurgery.

The system provides compact, affordable six-axis parallel-kinematics nano-alignment; powerful 6D digital controller with alignment routines and LabView drivers; low inertia, fast response and settling; 33 nanometer design resolution; pivot anywhere fully virtualized center of rotation; no moving cables: reduced friction, improved reliability, easy integration.

Contact: PI (Physik Instrumente) L.P., 16 Albert St., Auburn, MA 01501 508-832-3456 fax: 508-832-0506 E-mail: Web:

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