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Dielectric supported radio-frequency cavities

United States Patent

6,025,681
February 15, 2000
View the Complete Patent at the US Patent & Trademark Office
A device which improves the electrical and thermomechanical performance of an RF cavity, for example, in a disk-loaded accelerating structure. A washer made of polycrystalline diamond is brazed in the middle to a copper disk washer and at the outer edge to the plane wave transformer tank wall, thus dissipating heat from the copper disk to the outer tank wall while at the same time providing strong mechanical support to the metal disk. The washer structure eliminates the longitudinal connecting rods and cooling channels used in the currently available cavities, and as a result minimizes problems such as shunt impedance degradation and field distortion in the plane wave transformer, and mechanical deflection and uneven cooling of the disk assembly.
Yu; David U. L. (Rancho Palos Verdes, CA), Lee; Terry G. (Cupertino, CA)
Duly Research Inc. (Rancho Palos Verdes, CA)
09/ 017,138
February 2, 1998
GOVERNMENTAL RIGHTS IN INVENTION This invention was made with Governmental support under Small Business Innovation Research (SBIR) Contract No. DE-FG03-96 ER 82156 awarded by the Department of Energy to DULY Research Inc. The Government has certain rights in the invention.