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Résumé du preprint DAPNIA/SEA/99-33

SEA/99-33

Alternative Approaches for Nb Superconducting Cavities Surface Treatment

C. Z. Antoine, A. Aspart, J.P. Charrier, H. Safa, B.Visentin

With improvement of fabrication techniques and ultra cleanliness, the limitation of performances
of SC cavities seems to be now limited by the surface state generated by the etching process.
The influence of various surface treatment are now studied in several laboratories (KEK, DESY, CERN...). 
This papers presents the results obtained at Saclay, mainly on cavities, along with surface studies conducted on Niobium samples (morphology, surface composition).

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