Electric discharge tube or discharge lamp and scandate...

Electrode for a discharge lamp

Electrode for discharge lamp

Electrode for discharge light source

Electrode type glow discharge apparatus

Electron beam heated thermionic cathode

Electron emission element

Electron emission source composition for flat panel display...

Electron emission source composition for flat panel display...

Electron emission source, composition for forming electron...

Electron emitter device for data storage applications

Electron emitter device for data storage applications and...

Electron emitter including porous antimony

Electron emitting device and method of making the same

Electron gun

Electron gun cathode with a metal layer having a recess

Electron gun for a cathode-ray tube for image display having an

Electron gun for cathode tube

Electron gun having a grid

Electron source of a single crystal of lanthanum hexaboride emit