Wave transmission lines and networks – Automatically controlled systems – With control of equalizer and/or delay network
Patent
1989-06-12
1991-05-21
O'Shea, Sandra L.
Wave transmission lines and networks
Automatically controlled systems
With control of equalizer and/or delay network
333228, 315 516, 315 542, H01J 2300, H01J 2320, H01P 116
Patent
active
050178814
ABSTRACT:
An accelerating cavity having one or more iris structures mounted therein for strongly damping unwanted frequencies that are generated in the cavity by bunches of particles in a particle beam that is accelerated through the cavity during its operation. Each of the iris structures is characterized by containing a plurality of radial slots therein that extend from the central aperture through the iris member to the perimeter thereof. The outer end of each of the radial slots includes an enlarged portion that is effective to prevent undesired frequencies from being reflected back into the center aperture of the iris member. Waveguide means connect the outer ends of the radial slots to frequency damping means or to a dump or dumps.
REFERENCES:
patent: 2593095 (1952-04-01), Brehm
patent: 2877434 (1959-03-01), Farr et al.
patent: 4017760 (1977-04-01), Benoit et al.
patent: 4540960 (1985-09-01), Giordano
Associated Universities Inc.
Bogosian Margaret C.
Myles Vale P.
O'Shea Sandra L.
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