XYZ Piezo Stage

Aerotech's QNP3 piezo stages use an FEA-optimized precision parallel-kinematic flexure and metrology design.

0 May 9, 2017
Staff

Aerotech’s QNP3 series XYZ piezo positioning stagesAerotech’s QNP3 series XYZ piezo positioning stages combine sub-nanometer resolution, high dynamics, and excellent geometric performance in a compact three-degree-of-freedom (DoF) package. They come with a 40 mm x 40 mm clear aperture with closed-loop travels up to 100 µm x 100 µm x 10 µm (open-loop travels to 120 µm x 120 µm x 12 µm). The design is ideal for optical and scanning probe microscopy or other inspection or manufacturing applications where two-sided part access is required with three-DoF manipulation. QNP3 piezo stages use an FEA-optimized precision parallel-kinematic flexure and metrology design to ensure multi-axis accuracy, high stiffness, and long device life. High stiffness and resonant frequency enable high process throughput and fast closed-loop response. The patent-pending drive design minimizes X and Y yaw errors while still maintaining an Abbe-compliant metrology system. Z-axis actuators and capacitive sensors are designed to provide Abbe-compliant feedback in the vertical direction with minimal geometric errors.

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