Superconducting RF Cavity Manufacturing, Inspection and Process R&D Facilities

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Description

  1. Cavity Processing: Complete facilities for processing SRF cavities, both under tightly controlled R&D conditions and under mass production conditions, are available. Specifically, single and multi-cell cavities from ~100 MHz to 10 GHzcan undergo chemical polishing, electropolishing, and mechanical polishing.Cavity de-gassing ovens for 300 MHz cavities or higher frequency operate at up to 1000 °C under high vacuum. High-pressure rinsing with ultra-pure water and class 10 clean rooms for cavity assembly are also available. There is also an industrial laser system for local defect repair, and a replica system for diagnosis of cavity topographical features.
  2. Cavity Inspection: There are two automated optical inspection stands, used for inspection of 1.3GHz and 650MHz elliptical cavities, with the resolution of ~10 micrometers. This resolution allows for identification of defects from ~50 micrometers and higher. There is also a manual system, based on a telescope, with ~2 micrometer resolution.
  3. Argonne-Fermilab Cavity Processing Facility: Class 10 clean room for assembly; 2 EP/BCP tools for chemical surface processing of SRF cavities; 2 high pressure rinse systems; Ultra-clean water system; Trained Fermilab and ANL staff; Additional SRF cavity and cryomodule design, fabrication, and test capability is available at ANL.
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