- Electron Beam Tungsten Filament
- 2016-11-05 17:07
- Tungsten Filament is mainly used as filament, cathode for emitting tube, high temperature electrodes, Tungsten wire in t
- Evaporation Source Filament
- 2016-10-27 16:10
- Tungsten filaments, made of tungsten wires, have high melting point and good corrosion resistance. They are mainly used