Electron gun with specific grid electrodes
Electron guns for precluding distortion of beam spots
Electron source with grid spacer
Electron tube
Electron tube comprising a semiconductor cathode
Electron tube comprising a semiconductor cathode
Electron tube with a cesium source
Electron-beam device and semiconductor device for use in such an
Electron-emitting device
Electronic gun for color cathode-ray tube
Electronic gun for multibeam electron tube and multibeam electro
Electrostatic and dynamic magnetic control of cathode ray for di