The Kimball Physics Tantalum Disc Cathode is a general purpose thermionic emitter. This refractory metal cathode is quite sturdy and provides stable and uniform electron emission for a wide variety of electron source applications.
- General purpose planar disc cathode
- Area source 0.005 – 0.02 cm2
- Operating pressure < 10-5 torr
- Emission up to mAs
- 3 disc sizes
- On AEI or compact CB-104/105 bases