Electron tubes for power technology and telecommunications contain a vacuum and their cathode has to be heated to very high temperatures in order to emit a constant stream of electrons.

PLANSEE products and components are tailor-made for tube parts with high thermal load.

Advantages:

• Extreme high-temperature resistance
• Low vapour pressure at high temperatures
• Strength at high temperatures 

Forms of delivery:

Finished parts:

• Seamless cups made of Mo and W
• Mo rings
• Mo tubes

Semi-finished products:

• Sheets, foils, rods made of Mo and W