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Electron beam gun with kinematic coupling for high power RF vacuum devices

United States Patent

November 22, 2016
View the Complete Patent at the US Patent & Trademark Office
An electron beam gun for a high power RF vacuum device has components joined by a fixed kinematic coupling to provide both precise alignment and high voltage electrical insulation of the components. The kinematic coupling has high strength ceramic elements directly bonded to one or more non-ductile rigid metal components using a high temperature active metal brazing alloy. The ceramic elements have a convex surface that mates with concave grooves in another one of the components. The kinematic coupling, for example, may join a cathode assembly and/or a beam shaping focus electrode to a gun stem, which is preferably composed of ceramic. The electron beam gun may be part of a high power RF vacuum device such as, for example, a gyrotron, klystron, or magnetron.
Borchard; Philipp (San Francisco, CA)
Dymenso LLC (San Francisco, CA)
14/ 977,110
December 21, 2015
STATEMENT OF GOVERNMENT SPONSORED SUPPORT This invention was made with Government support under Contract No. DE-SC0009599 awarded by the Department of Energy. The Government has certain rights in the invention.