https://www.sri.com/publication/vacuum-steered-electron-electric-field-sensor/
Vacuum steered-electron electric-field sensor - SRI
Apr 1, 2024 - In a new type of MEMS electric-field sensor, a sheet of electrons is thermionically emitted by a hot cathode, flows through a vacuum, and is collected by a...
electric field sensorvacuumelectronsri