Port member of superconducting accelerating cavity
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United States of America Patent
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Nov 15, 2016
Grant Date -
May 9, 2013
app pub date -
Aug 31, 2011
filing date -
Sep 3, 2010
priority date (Note) -
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Abstract
Provided is a port member of a superconducting accelerating cavity, the entire size of which is reduced and which has enhanced working efficiency to achieve a lower manufacturing cost. In a pickup port (23) of a superconducting accelerating cavity, one end is joined by welding to a port portion (27) formed on a higher order mode coupler (13) which is provided at an end of a cavity body, while the other end is joined by flange coupling to a pickup antenna (22). A port body (33) and a flange portion (35) are integrally formed of a niobium material having low purity or a niobium alloy containing a component other than niobium at a percentage lower than a prescribed percentage. The flange coupling is achieved with use of a quick coupling (41).
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