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TY - CPAPER AU - Artoos, K. AU - Burt, G. AU - Calaga, R. AU - Capatina, O. AU - Capelli, T. AU - Carra, F. AU - Dassa, L. AU - Delayen, J.R. AU - Jones, T.J. AU - Kuder, N. AU - Leuxe, R. AU - Minginette, P. AU - Park, H. AU - Templeton, N. AU - Venturini Delsolaro, W. AU - Verdú-Andrés, S. AU - Villiger, G. AU - Xiao, B. P. AU - Zanoni, C. AU - Zhang, P. TI - Development of SRF Cavity Tuners for CERN J2 - Proc. of International Conference on RF Superconductivity (SRF2015), Whistler, BC, Canada, Sept. 13-18, 2015 AB - Superconducting RF cavity developments are currently on-going for new accelerator projects at CERN such as HIE ISOLDE and HL-LHC. Mechanical RF tuning systems are required to compensate cavity frequency shifts of the cavities due to temperature, mechanical, pressure and RF effects on the cavity geometry. A rich history and experience is available for such mechanical tuners developed for existing RF cavities. Design constraints in the context of HIE ISOLDE and HL-LHC such as required resolution, space limitation, reliability and maintainability have led to new concepts in the tuning mechanisms. This paper will discuss such new approaches, their performances and planned developments. PB - JACoW CY - Geneva, Switzerland SP - 1247 EP - 1251 KW - cavity KW - cryomodule KW - vacuum KW - operation KW - SRF DA - 2015/12 PY - 2015 SN - 978-3-95450-178-6 DO - 10.18429/JACoW-SRF2015-THPB060 UR - http://srf2015.vrws.de/papers/thpb060.pdf ER -