Shield-type coaxial vacuum feedthrough

Details Shield-type coaxial vacuum feedthrough Shield-type coaxial vacuum feedthrough

1978-12-20

1980-10-28

Gensler, Paul L.

Wave transmission lines and networks

Coupling networks

With impedance matching

333244, 333260, 339 94A, H01P 104, H01P 500

Patent

active

042310032

ABSTRACT:
A shield-type coaxial vacuum feedthrough for connecting an external wire to lectric equipment inside a vacuum vessel, comprising a metal pin in the shape of a metal round bar, a ceramic cylinder enclosing the metal pin and a metal cylinder enclosing the ceramic cylinder, with the ceramic cylinder being partly enlarged in diameter so as to peripherally contact and fix itself to the metal cylinder, and the metal pin being reduced in diameter in that part corresponding to the enlarged part of the ceramic cylinder. Thereby, the matching of characteristic impedance can be secured even in the high-frequency region such as microwaves thereby allowing high-accuracy experiments and insuring strong endurance during the baking of the vacuum vessel.

REFERENCES:
patent: 2992407 (1961-07-01), Slusher
patent: 3292117 (1966-12-01), Bryant et al.
patent: 3760306 (1973-09-01), Spinner et al.

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