Company History
Established in 1950, Union City Filament has been developing proprietary processes for winding and forming tungsten, molybdenum, rhenium and their alloys into a myriad of designs for nearly 70 years.
Our processes make it possible for us to hold the tightest possible tolerances on dimensions and uniformity.
We are constantly researching new uses for our products like handheld vaporizers and surgical tools.

Capabilities

Our Products
Union City Filament’s products are primarily designed to be electron or ion sources either through direct emission or by heating dispenser or oxide cathodes.
Today, our filaments are being put to use in the latest mass spectrometers and other analytical sensors, ion implanters, leak detectors, vacuum ionization gauges, getters, and specialty infrared applications.
Regardless of what your end application is, Union City Filament’s expert engineers will work with you to design the best filament or heater to suit your needs.
Questions? Contact us today for help.












