Electron source with light shutter device
Electron sources having shielded cathodes
Electron sources utilizing negative electron affinity photocatho
Electron sources utilizing patterned negative electron affinity
Electron tube
Electron tube
Electron tube
Electron tube
Electron tube with electron lens
Electron tube with electron-bombarded semiconductor device
Electron tube with improved airtight seal between faceplate and
Electron tube with polycrystalline diamond photocathode