Airbus Friedrichshafen is working on the development of a milliNewton HEMPT (High Efficiencymaster thesis 2017
Multistage Plasma Thruster): an electrostatic thruster concept suitable for small satellite
propulsion. An engineering model, the mN-μHEMPT, has been built and tested in vacuum,
generating thrust levels in the range of 1 to 5 mN. Although the...