Advances in Piezo Mechanics Aid Eye Surgery

Piezo motion-based mechanisms provide a variety of features that are highly sought after in life-science and medical engineering applications, such sterile ceramic designs and lubricant-free drives. Ceramics are also non-magnetic, an advantage in high-energy imaging/scanning based on strong magnetic fields. Piezo mechanisms can also provide very precise motion with incredible speed. Successful correction of vision […]

Reliable Piezo Motion Devices for Industrial and Space Applications

Piezo ceramics convert electrical energy directly into mechanical motion and vice versa, based on crystalline solid state effects. Piezo actuators are quite unique in combining force, speed and precise motion into a small package. To make them more accessible for OEM designers, manufacturers can package the actuators inside an arrangement of flexures providing precision guidance, […]

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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 […]

Why To Use Air Bearing Stages Over Mechanical Bearings

Most motion applications are perfectly well-served by mechanical bearing guidance; but there are many cases where precision, angular repeatability, and geometric performance must be optimal or where vibration and sub-micron bearing rumble is problematic. An air-bearing stage can help in these situations. An air-bearing stage is a rotary or linear positioner that floats on a […]

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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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