Mathias Bach

Head of Piezosystems Product Division, PI (Physik Instrumente)

Mathias Bach is head of the piezosystems product division at PI (Physik Instrumente; Auburn, MA).

FIGURE 1. Aligning parts that have become misaligned because of stress, creep, or settling processes is an application for active shims, when submicron or even nanometer precision and stability are required.
Positioning, Support & Accessories

Motion Control: Active piezo shims improve precision of optical assemblies

Nov. 1, 2018
Because of the down-to-nanometer-range resolution of their piezo elements, active shims cover applications in precision engineering and alignment of optical components.