The Ionfab 300 installed at Sandia is used for chemically assisted ion beam etching (CAIBE) and reactive ion beam etching (RIBE) of GaAs.
with kind permission of: Sandia USA
1 µm deep GaAs etch at low microdivergence
Ionfab 300 Plus
IBE/ RIBE/ CAIBE technoloy
divergence vs beam current at varying Uacc/ Ubeam