Electron-emitting device and method for manufacturing same

Flat thermionic cathode

Grid coating for thermionic electron emission suppression

Grid controlled gas discharge lamp

Grid support means for a planar tube

Grid tube with coupled-cavity output, with coupling element inte

High power switch tube with Faraday cage cavity anode

Linear electron beam tubes arrangements

Magnetically shielded high voltage electron accelerator

Method for and product of electron emissive layer and multibeam

Microminiature thermionic vacuum tube

Modular electron discharge device

Modular electron tube with carbon grid

One-piece tab assembly for a cathode cup of an X-ray imaging...

Precision alignment of microcolumn tip to a micron-size...

Radial flow electron gun

Rugged quick-heating electron tubes

Sliding spark source cold cathode electron gun and method

Solid state vacuum devices

Solid state vacuum devices