Superconducting Cavity Fabrication for ILC in Japan
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1 Superconducting Cavity Fabrication for ILC in Japan -Industrial Activities- Masanori MATSUOKA (Mitsubishi Heavy Industries, Ltd.) Norihiko OZAKI (Linear Collider Forum of of Japan) Tuesday, Augsut 16, nd ILC Workshop WG-5 1
2 Contents Superconducting cavity development in Japan Collaboration with KEK Present actions and future plans Framework for ILC construction Conclusions Tuesday, Augsut 16, nd ILC Workshop WG-5 2
3 SC Cavities in Japan (1) Superconducting Cavity installed in Accelerators Year Place Project Type of cell Vendor No of cavity 1982~ KEK TRISTAN 5-cell cavity MHI 32 cavities 1992~ JAERI FEL 5-cell cavity and single-cell cavity Siemens 2 cavities 1 cavities 1994~ JAERI Heavy Ion Booster Quarter Wave Resonator MELCO Data not available 1998~ KEK KEKB single-cell cavity MELCO 4 cavities 2006~ KEK KEKB Crab mode cavity MHI 2 cavities Tuesday, Augsut 16, nd ILC Workshop WG-5 3
4 SC Cavities in Japan (2) R&D for Superconducting Cavity Year Place Project Type of cell Vendor No of cavities 1990~ KEK R&D for LC L-band cavity Several companies 2000~ JAERI/ KEK R&D for Accelerator Driven System 5-cell test modules 600MHz 972MHz MELCO MHI 2 cavities 2 cavities Tuesday, Augsut 16, nd ILC Workshop WG-5 4
5 SC Cavity for TRISTAN LC Forum of Japan Frequency 508MHz Material pure Niobium Number of Cell 10 (5-Cell 2 Units) E design 5MV/m E test 16MV/m Q value 2~ Number of cavities 32 Tuesday, Augsut 16, nd ILC Workshop WG-5 5
6 Crab Cavity for KEKB LC Forum of Japan Frequency 508MHz Material pure Niobium E peak Mode Number of cavities 2 21MV/m TM110 Tuesday, Augsut 16, nd ILC Workshop WG-5 6
7 Collaboration with KEK (1) R&D for EB melting and purification of Niobium R&D for electro-polishing of cavity surface R&D for production technology of cavity Computer simulation of hydraulic press and experimental verifications Optimization of EB welding conditions Optimization of liquid He test procedure Cavity performance measurements Tuesday, Augsut 16, nd ILC Workshop WG-5 7
8 Collaboration with KEK (2) R&D for power coupler High power breakdown test on metalizing ceramics Stress analysis of power coupler structure Design optimization of cryomodule and tuner, and related assembly jig Tuesday, Augsut 16, nd ILC Workshop WG-5 8
9 Present Actions and Future Plans R&D Phase (2005~2007) STF (Phase 1 and 2) construction Production technology development for cost reduction Collaboration with Asian companies, if possible Engineering Phase (2007~2010) Mass production technology development QC and QA activities Construction cost estimation Construction Phase (2010~ ) ILC construction by collaboration with regional industries Tuesday, Augsut 16, nd ILC Workshop WG-5 9
10 Framework for ILC Construction In-Kind Contribution ILC Responsible Lab. of of Asia contract Europe North America Procurement and Quality Inspection of Products Prime Contractor contract Final Assembly and RF Test at Joint Test Facility (Proposed) Sub Sub Contractor Components Supply and Test Tuesday, Augsut 16, nd ILC Workshop WG-5 10
11 Conclusions Japanese industry has developed technology for superconducting cavity fabrication through collaboration with KEK and industry s own investment. We are ready for ILC construction from technological aspects. Industrialization process is to be continued for optimizing a balance among performance, cost and reliability. Tuesday, Augsut 16, nd ILC Workshop WG-5 11
12 Announcements LC Forum of Japan Industrial Forum on Tuesday, Aug. 16 New concept of industrialization Engineering demonstration facility GG-5 Meeting on Thursday, Aug. 18 Cost estimation and in-kind contribution Cost reduction possibility via industrial participation Tuesday, Augsut 16, nd ILC Workshop WG-5 12
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