Cold Cathodes

Cold emission requires low power for emission. No need of heating. Instantaneous switching-on time. Reduced dimensions suitable for THz applications. Instantaneous variation to field variation.

Field emitter for cold cathodes:

• Carbon nanotubes
• Spindt emitter

New Frontiers in Vacuum Electronics

The present and the future of the extraordinary evolution of Vacuum Electronics.

• Carbon Nanotubes
• Sheet Beam
• THz Vacuum Devices