PRODUCTS - Dispenser Cathodes

Spectra-Mat, Inc. is a vertically integrated refractory metals manufacturing company.

Dispenser Cathodes

Over fifty years ago Spectra-Mat, Inc. recognized the need for thermionic emitters for high power electron tubes: the development of these...

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Filament Cathodes

Directly Heated Tungsten Filament Cathodes
Spectra-Mat, Inc. is pleased to offer directly heated filamentary tungsten dispenser cathodes with...

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Solutions for X‐ray Tubes

High Reliability Cathodes and Getters
An X‐ray tube requires a long‐lived, stable and uniform electron emission source to guarantee an output...

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