Vacuum filaments and electrodes
Tungsten wire and bars ≥ 99.95% for high-intensity lamp filaments, vacuum tubes and emission cathodes. Melting point 3,410 °C.
Materials for advanced microelectronics
Electronics Sector
The electronics and semiconductor industry uses high-purity refractory metals for vacuum filaments, discharge electrodes, power substrates and long-life electrical contacts. SMP supplies tungsten, molybdenum and phosphor-copper for the most demanding industrial electronics applications.
- High-purity tungsten (≥ 99.95%) for filaments and electrodes
- Molybdenum for heat-dissipation substrates (DBC)
- Tungsten wire for electrical-discharge machining (EDM)
- Tungsten boats for vacuum evaporation (PVD)
- Phosphor-copper for high-conductivity brazing