Precision motion and nanopositioning systems specialist PI (Physik Instrumente) L.P. (Auburn, MA) recently released the smallest member in their miniature rotary stage series with ultrasonic piezo motor drives. The U-622 is joining two other high dynamics miniaturized ultrasonic rotary positioners, U-624 and U-628. Vacuum compatible versions to 10-6 hPa are available.

Small, fast, and self-locking without the need of a brake, the U-62x’s ultrasonic piezomotors are superior positioners that reach velocities of up to 720 °/second. Due to the self-locking ceramic motor, no heat is generated at rest. The compact design with widths of 20, 30, or 50 mm, and height of only 10, 12, or 19 mm allows for easy integration into tight spaces of existing applications. With a rotation range of 360° and very quiet operation, the stages excel by their extreme dynamic range and very quick step and settle.

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