Electron beam tube having resonant cavity circuit with selective
Electron beam tubes
Electron beam tubes having a resonant cavity with high frequency
Electron beam tubes having a unitary envelope having stepped inn
Electron beam tubes including a vacuum envelope seal and...
Electron beam tubes including ceramic material for realizing rf
Electron beam-semiconductor diode hybrid device for phase contro
Electron bombarded semiconductor device
Electron collector for an electron beam tube
Electron collector having means for trapping secondary electrons
Electron discharge device with a spatially periodic focused beam
Electron emission system
Electron emitter with focussing arrangement
Electron gun
Electron gun
Electron gun
Electron gun
Electron gun
Electron gun
Electron gun and cathode-ray tube