Spectra-Mat has been able to build on our strong technical understanding of refractory powder metallurgy with sophisticated engineering capabilities to create enabling dispenser cathodes for microwave and x-ray tubes for over 50 years. Spectra-Mat controls every production process for dispenser cathodes to guarantee consistency of cathode performance. Thanks to this strong technical base in material science and vacuum technology, Spectra-Mat is today the worldwide reference supplier of dispenser cathodes of any sizes for all microwave tubes, x-ray tubes, arc flash lamps, neutron generation and ion lasers.