A rotary‐motion feedthrough suitable for use in UHV at frequencies between 1200–15,000 rpm is described. The outgassing rate in operation is less than 2×10−8 torr l/s.
Phys. Rev. Lett.
The rotor and stator were obtained from KaVo Elektrotechnisches Werk GmbH D‐7970 Leutkirch, West Germany. Type EV 48‐15.
The bearings used were Barden Bartemp SR188SSTB without lubrication.
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© 1981 American Institute of Physics.
American Institute of Physics