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

Fe-Ni alloys having improved punching properties and punched ele

Fe-Ni-Cr- based alloy strip having improved...

Field emission type cold cathode structure and electron gun...

Fixed construction for plate electrodes in a flat display unit

Flat cathode-ray tube, electron gun for flat cathode-ray...

Flat-panel type picture display device with electron transport d

Grid assemblies for use in cathode ray tubes

Grid assembly for cathode-ray tubes and method of making

Grid electrode structure for a cathode ray tube

Gridded convergent flow electron gun for linear beam tubes

High-voltage lead-through for particle-beam apparatus

Hollow beam electron source

Impregnated cathode