Custom Filaments, Heaters & Refractory Metal Components
Tungsten | Molybdenum
Rhenium | Iridium | Nichrome

WHAT
WE DO
Union City Filament is the leading global producer of precision wound filaments and heaters for electron devices and ion sources, powering advanced Medical, Scientific, Industrial, Telecom and Defense systems. Our products are critical components within cutting-edge microwave and millimeter wave devices, x-ray tubes, mass spectrometers and other analytical sensors, getters, and infrared applications.