Nion Company
Electron Microscopy Instrumentation

Nion is a world-class developer of advanced scanning transmission electron microscopes (the UltraSTEM range) and other electron-optical instruments. We work in close collaboration with our customers, developing instruments that answer real needs in the real world, and have been doing so for over 25 years.

We also develop the open-source, Python-based microscope control and scientific image processing software Swift.