Fei Comapny

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Pleun Dona

Erik Rene Kieft

Ondrej R Baco

Jasper Frans Mathijs Van Rens

Wouter Verhoeven

Peter Mutsaers

Jasper Van Rens

Petrus Mutsaers

Disclosed herein are radio frequency (RF) cavities and systems including such RF cavities. The RF cavities are characterized as having an insert with at least one sidewall coated with a material to prevent charge build up without affecting RF input power and that is heat and vacuum compatible. One example RF cavity includes a dielectric insert, the dielectric insert having an opening extending from one side of the dielectric insert to another to form a via, and a coating layer disposed on an inner surface of the dielectric insert, the inner surface facing the via, wherein the coating layer has a thickness and a resistivity, the thickness less than a thickness threshold, and the resistivity greater than a resistivity threshold, wherein the thickness and resistivity thresholds are based partly on operating parameters of the RF cavity.

Coating on dielectric insert of a resonant RF cavity

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Eindhoven, Netherlands

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