Q-Motion® Piezoelectric Inertia Drives Extremely small. High resolution. Flexible.

Physik Instrumente (PI) – Well-Positioned All Over the World

PI is the world's leading provider of nanopositioning products and systems. All key technologies are developed, manufactured and qualified in-house by PI: Piezo components, actuators and motors, magnetic drives, guiding systems, nanometrology sensors, electronic amplifiers, digital controllers and software.

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PI positioning systems are employed where technology is pushed forward in industry and research. This is done, for example, in semiconductor manufacturing, in medical engineering, in biotechnology, in plant engineering, in surface metrology, or in astronomy.

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PI combines its long-term experience in micro and nanopositioning technology with in-depth knowledge in the fields of mechanics, electronics, sensor engineering and software. Thus, PI is able to offer its customers the most advanced drive technologies and system solutions.

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News and Announcements

Silicon Photonics


Simultaneous Testing of Optical Components

In a demonstration setup, PI (Physik Instrumente) shows how fast and precise XYZ stages are able to achieve parallel fiber alignment on the input and output side.

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Linear Stage Series L-511


Precision with Small Steps

PI presents the new L-511 precision linear stage series. The stages achieve unidirectional repeatability up to 0.1 µm and minimum incremental motion of up to 0.02 µm.

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Fast Linear Stage with Nanometer Resolution


For Travel Ranges to 230 mm

Magnetic direct drives have advantages over the classical motorized, spindle-based solutions in particular with respect to wear and dynamics. Since direct drives largely dispense with mechanical components in the drivetrain, there is less friction and play and therefore more precision. At the same time, it lowers costs and increases energy efficiency. In addition, their outstanding features include relatively large travel ranges, high velocities as well as longer lifetimes of the drives.

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Featured Facts

PI Expands its Technological Spectrum


Air bearings are essential for nanometer precision motion with extremely high velocity stability over long travel ranges. In contrast to mechanical guides, the air bearing enables the moving platform to glide over a layer of air with almost no friction at all. This means that no hysteresis or backlash occurs and when combined with linear motors, it is possible to reach very high velocities.

Above all, air bearings ensure excellent guiding accuracy, which means straightness and flatness of motion well below one micrometer. PI has implemented on dual motor axis of PIglide HS Planar XY stage an active yaw control algorithm. Y-Axis and Yaw Axis have separate control loops for linear and rotational motion control.

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