Request InfoPI (Physik Instrumente) LP, Motion Control, Air Bearings, Piezo MechanicsPhysik Instrumente LP has announced the PIHera XY positioners with travel to 1800 μm and <1-nm resolution. The flexure-guided piezo positioning stages have vibration-less motion, virtually unlimited resolution and fast response. With the exclusion of rolling elements, there is no bearing rumble to affect the uniformity or straightness of motion. PIHera precision closed-loop XY stages are equipped with absolute-measuring direct-metrology capacitance sensors and provide a positioning accuracy of 0.02 percent. 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