18–26 Sept 2025
Ito International Research Center
Asia/Tokyo timezone

New cleanroom nitrogen purge system to be used for superconducting radio frequency cavity string build at STFC

THP72
25 Sept 2025, 14:30
3h
Ito International Research Center

Ito International Research Center

Tokyo
Board: THP72
Poster Presentation MC4: SRF Technologies Thursday Poster Session

Speaker

Stuart Wilde (Daresbury Laboratory)

Description

STFC has built new infrastructure to enable particulate control whilst building superconducting radio frequency cavity string and beam line assemblies that can be used in high beta cryomodule applications. The new facility includes an ISO4 cleanroom, low particulate high pressure rinse, and most recently, a nitrogen purge system that can allow varying and controlled purge of nitrogen through vacuum vessels as they are built. The nitrogen purge ensures that particulate ingress onto sensitive surfaces, such as within high beta RF cavities, is minimised. This paper describes the new purge system, its capabilities, and results from thorough validation testing to ensure that it operates within the required specification.

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Author

Stuart Wilde (Daresbury Laboratory)

Co-authors

Dr Keith Middleman (Daresbury Laboratory) Mr Oliver Poynton (Daresbury Laboratory)

Presentation materials

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