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Physik Instrumente (PI) will introduce an ultra-low profile (0.6in), direct-driven, high-speed rotary stage based on the PILine piezomotor drive technology at the SPIE Photonics West conference.

The M-660 stage reaches top speeds of 720deg/s and resolutions of 40urad (eight arcsec).

Its self-locking ceramic drive holds the position steady at rest, with no energy consumption and heat generation.

A directly coupled precision optical encoder provides phase lag-free, backlash-free feedback to the servo controller.

The compact design with minimised mass and inertia provides high-precision bidirectional speed and position control, as well as high-speed motion contouring.

The M-660 is claimed to offer a higher stability, acceleration and settling speed than traditional servo motor direct drives and gear-driven mechanisms.

The motor drive was recently chosen by Leica Geosystems in its latest generation of surveying instruments for geodesy because it can provide high speeds, short positioning times and very high positioning accuracy when moving the measuring optics.

A piezomotor controller is available to be able to use the specific motion characteristics of ultrasonic ceramic motors.

A fast USB interface and a solid software and driver package allow for easy integration into user applications.

Physik Instrumente

PI is a global manufacturer of high precision positioning systems and products based on piezo technology. Used in markets as diverse as biotechnology, semiconductor, defence and astronomy, PI’s products work to improve the speed and precision of many cutting edge processes. Actuators, sensors and positioning systems with either sub-micron or nanometre level precision; many customised for the end user, are included in the product range.

With manufacturing and subsidiary offices around the world and a workforce of more than 500 PI provides direct local support where it is needed. Products range from component level piezo ceramic assemblies to six axis hexapod positioning robots. PI manufactures its own piezo ceramic material including multilayer devices that incorporate its patented ceramic insulation technology. Lead free ceramic technology is now also included in the company’s product range. With the flexibility and continuity of supply offered by having control of piezo ceramic production comes security and speed of delivery for customers who rely on or are looking to move into this area of technology. PI’s piezo ultrasonic and step drive motor technologies offer unique performance including self-locking capability, high force or high speed and non-magnetic and vacuum compatibility.

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