Thermionics manufactures a full line of metal-sealed linear motion feedthroughs.  All metal, using welded bellows and stainless steel linear bearings, all manual units are bakeable to 200° fully assembled.


Thermionics full line of metal sealed rotary motion feedthroughs use welded bellows and all ball bearing construction and are available in a wide range of configurations to match your requirements.


Thermionics manufactures a full line of metal sealed linear-rotary motion feedthroughs in a wide variety of configurations to fit your specific requirements.

Wobble Sticks

FWS series wobble stick probes supply a combination of Z axis, polar rotation, and polar axis tilt to allow tip positioning inside the vacuum chamber. They can be fitted with clamp jaws, hooks, or forks to attach and release samples.