ELECTRON BEAM ADJUSTMENT METHOD, ELECTRON BEAM WRITING APPARATUS, AND NON-TRANSITORY COMPUTER-READABLE STORAGE MEDIUM STORING A PROGRAM

Plasma Electron Beam Installation System

Electron gun cathode mount

Method for producing an electrode for a high-pressure discharge lamp and high-pressure discharge lamp comprising at least one electrode thus produced

Thermionic emission device

Electron emission device comprising carbon nanotubes yarn and method for generating emission current

High brightness thermionic cathode

Shaped repeller for an indirectly heated cathode ion source

Low temperature, high-brightness, cathode