Tag: Beamline Instrumentation

X-Ray Microscopy & Quality Assurance of Optical Elements – The MiQA System

56-Axes, 20 Tons, Nanometer Precision MiQA is a 20-ton, 56-axis motion system of extraordinary precision, designed for beam lines around synchrotrons and will be used for x-ray microscopy and quality assurance of x-ray optics such as lenses. The system is equipped with 56 motors, 16 controllers, 7 air bearing granite sliders, and has an overall […]

Piezo-Mechanisms in X-Ray Spectroscopy: Energy Selection in a Beam Line

PiezoWalk principle shows advantages for Monochromator crystal fine adjustment Piezo-based mechanisms have long been used in precision scientific instruments for precision motion generation. Previously, the limited motion characteristics of simple piezo actuators often made the use of a dual stage coarse/fine approach necessary. A novel approach based on a long-travel PiezoWalk drive shows promise in […]

Performance of a Large Motorized Rotary Air Bearing Stage for Synchrotron Crystallography

PI recently built a large 300mm diameter rotary air bearing stage for use in a synchrotron beamline test facility. The beamline, when finished, will be used for Macromolecular Crystallography. This stage was designed with the goal of achieving best-possible performance for the following specifications: Stiffness Load capacity Radial runout error motion Velocity smoothness The application […]

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About PI

PI (Physik Instrumente) is a leading manufacturer of precision motion control equipment, piezo motors, air bearing stages and hexapod parallel-kinematics for semiconductor applications, photonics, bio-nano-technology and medical engineering. PI has been developing and manufacturing standard & custom precision products with piezoceramic and electromagnetic drives for 4 decades. The company has been ISO 9001 certified since 1994 and provides innovative, high-quality solutions for OEM and research. PI is present worldwide with fifteen subsidiaries, R&D / engineering on 3 continents and total staff of more than 1,000.

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