Apparatus for mounting a field emission cathode
Apparatus for retaining an electrode by a magnetically shielded
Demountable high power electron beam gun
Electron beam generator and emission cathode
Electron gun
Insulated elastic support and clamping means for resistance heat
Light emitting unit and conductive device thereof
Removable bombardment filament-module for electron beam...
Ruggedized flashlamp exhibiting high average power and long life