PI (Physik Instrumente) LP (Auburn, MA) offers PI miCos precision linear stages. More than 20 product families are available, including miniature translation stages and positioning ranges of 40-mm to high load, and linear translation stages for travel ranges to 1 meter. The motorized precision positioners come in a variety of standard and custom versions. The stages are available as open loop stages with stepper motors, and leadscrew drive to high-speed models with linear encoders featuring up to 1-nanometer resolution. Most stages also come in vacuum-compatible and cleanroom- compatible versions. Users can choose among rotary servomotors, linear servomotors, and stepper motors. Closed-loop models are offered with high-resolution position feedback.