Author: Crawford, A.C.
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TUP022 Fermilab EP Facility Improvement 453
  • F. Furuta, D.J. Bice, A.C. Crawford, T.J. Ring
    Fermilab, Batavia, Illinois, USA
  Electro-chemical Polishing (EP) is one of the key technologies of surface treatments for niobium superconducting cavities. We have established a single-cell scale horizontal electro-polishing facility at Fermilab and routinely processed the niobium cavities with the frequencies of 1.3 GHz to 3.9 GHz. The precise control of EP parameters, especially the temperatures of cavity outside wall, allows the uniform removal over the cell with the variation of ±15%. Here we report the details of our EP process and recent improvements on our EP facility at Fermilab.  
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About • paper received ※ 10 July 2019       paper accepted ※ 17 August 2019       issue date ※ 14 August 2019  
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