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https://doi.org/10.18429/JACoW-SRF2017-TUPB075
Title Vertical Electro Polishing of Superconducting Single-and Multi Cell Gun Resonators
Authors
  • N. Steinhau-Kühl, R. Bandelmann, A. Matheisen, S. Saegebarth, M. Schmökel
    DESY, Hamburg, Germany
  • A. Arnold
    HZDR, Dresden, Germany
Abstract At DESY activities on surface treatment of superconducting RF gun cavity resonators at 1.3 GHz are ongoing. Due to the small opening on the endplate for insertion of cathodes, no reasonable acid flow can be realized with the existing set up for horizontal electro polishing. To benefit from electro polishing of Niobium surfaces, an adapter to the existing horizontal electro polishing bench at DESY was set up and is in operation now. Vertical EP was applied on 1.3 GHz SRF gun resonators with 1.6 and 3.5 cell geometry. Work flow, process conditions as well as test results of gun cavities treated so far at DESY are described.
Paper download TUPB075.PDF [2.655 MB / 4 pages]
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Conference SRF2017, Lanzhou, China
Series International Conference on RF Superconductivity (18th)
Proceedings Link to full SRF2017 Proccedings
Session Poster Session
Date 18-Jul-17   14:00–17:00
Main Classification SRF Technology R&D
Sub Classification Cavity processing
Keywords gun, cavity, ion, SRF, cathode
Publisher JACoW, Geneva, Switzerland
Editors Volker RW Schaa (GSI, Darmstadt, Germany); Yuan He (IMP, Lanzhou, China); Lu Li (IMP, Lanzhou, China); Ning Zhao (IHEP, Beijing, China)
ISBN 978-3-95450-191-5
Published January 2018
Copyright
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cc Creative Commons Attribution 3.0