PI (Physik Instrumente) Piezo Nano Positioning is the global leader in sub-nanometer precision motion control. High-speed, piezo-driven nanofocus devices, beam steering mirrors, nanopositioning and scanning stages (up to 6 axes) with digital control and capacitive feedback. Applications: nano-metrology, nanotechnology, SPM, DNA sequencing, single molecule spectroscopy, AFM, NSOM, lithography. 30 years experience. ISO9001 certified since 1994.