3M™ Cathodes and Electron Guns

From telecommunications systems on the ground to aircraft, satellites and even spacecraft, reliable long-range communications are essential in today’s connected world. 3M™ Cathodes and Electron Guns provide the high power needed to beam radio signals across vast distances. Around the world. From sky to tower. Even from outer space back to earth.

Engineered for reliability, range and longevity, 3M cathodes and electron guns are precision manufactured and rigorously tested to ensure consistent performance in challenging, mission-critical applications. We can provide fully qualified cathode assemblies with all required backward and forward material and process traceability – from basic raw materials to final assembly. We have over 60 years of experience in the industry, and we are the only independent supplier of dispenser cathodes qualified for use in outer space.