Support assembly for cryogenically coolable low-noise choked wav

Details Support assembly for cryogenically coolable low-noise choked wav Support assembly for cryogenically coolable low-noise choked wav

1978-08-31

1980-07-29

Nussbaum, Marvin L.

Wave transmission lines and networks

Long line elements and components

Waveguide elements and components

333 12, 333 99S, H01P 108, H01P 500, H01P 104, H01P 116

Patent

active

042153271

ABSTRACT:
A compact cryogenically coolable choked waveguide particularly for low-noise input coupling into a cryogenically cooled device, such as a maser or parametric amplifier, utilizes coaxial stainless steel support tubes surrounding the waveguide and connected in cascade to provide a folded low thermal conduction path. The edges of the tubes connected are welded.

REFERENCES:
patent: 2421912 (1947-06-01), Spooner
patent: 3094628 (1963-06-01), Jiu
patent: 3211947 (1965-10-01), Bloom
patent: 3343035 (1967-09-01), Garwin
patent: 3440881 (1969-04-01), Weissman
patent: 3441880 (1969-04-01), Weissman et al.
patent: 3796977 (1974-03-01), Elliot et al.
patent: 3902143 (1975-08-01), Fletcher et al.
patent: 3906412 (1975-09-01), Meyerhoff

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