FG 22/35 Flood Gun

The FG 22/35 is a compact, easy to handle, reliable flood gun for charge neutralisation of positively-charged insulators or semiconductors. It allows operation in the energy range of 0 – 500 eV for charge compensation in typical XPS/AES and SIMS experiments, respectively.

Key Features


  • High electron beam current
  • Energy range 0 – 500 eV
  • Stabilised emission