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HG2019 12 June 2019 Toshiro ANNO

Introduction of CANON ELECTRON TUBES & DEVICES Co., Ltd. Company Overview Klystrons. HG2019 12 June 2019 Toshiro ANNO. Company overview. History Founded: 1915 Developed the First X-ray tube to be produced in Japan. Established: 2003 Renamed: Nov. 2018

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HG2019 12 June 2019 Toshiro ANNO

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  1. Introduction of CANON ELECTRON TUBES & DEVICES Co., Ltd. • Company Overview • Klystrons HG2019 12 June2019 Toshiro ANNO

  2. Company overview History Founded: 1915 Developed the First X-ray tube to be produced in Japan. Established: 2003 Renamed: Nov. 2018 Canon Electron Tubes & Devices Co., Ltd. Headquarters 1385 ShimoishigamiOtawara, Tochigi Japan Products Microwave Tubes Power Grid Tubes Radiation Detectors X-ray Tubes Image Intensifiers X-ray Flat Panel Detectors Headquarters ~150 km Mt. Fuji Tokyo office

  3. Applications of klystrons J-PARC SPring-8/SACLA Scientific Research Facilities Science Neutron source, FEL, Synchrotron radiation, High energy physics (Accelerator) Fusion (Heating) https://j-parc.jp/ http://www.spring8.or.jp/ Industrial & Medical Medical LINAC, Sterilization Non-destructive Inspection, Industrial Heating Radar TDWR(Terminal Doppler Weather Radar) ARSR(Air Route Surveillance Radar) ASR(Airport Surveillance Radar) Radar System Industrial & Medical Equipment Airport Proton Therapy Radiation Therapy https://www.avoplc.com/ http://www.jma.go.jp/jma/index.html

  4. Principles of klystrons Collector Bunched Beam (RFcurrent) Output window Output microwave Last cavity Interaction section Intermediate cavities Electronbunching Drift tube Input microwave First cavity Cathode Electron gun DC Beam (DC current)

  5. MAX-IV Lab JINR IHEP CLS THU RAL GSI Tohoku Univ. PLS DESY TUS PAL XFEL Osaka Univ. SLAC RIKEN FNAL AIST BNL RRCAT PSI KEK SSRF JAEA NSRL INFN SPring-8 SAGA-LS ASP-LS Tokyo Univ. J-PARC CETD Klystrons in scientific research facilities ESS KOMAC DICP KSTAR Daresbury Lab. SOLEIL CSNS SIRIUS CERN Hokkaido Univ. SACLA AICHI-LS CETD klystrons are used inmanyfacilities all over the world.

  6. X-band pulse klystron for science Typical Operations 1 m 1.9 m Accelerator Facilities CERN Xbox-3 4 sockets (E37113) SINAP 1 socket (E37115) KEK(XTF) 3 sockets (E3768) Tokyo Univ. 1 socket (E3768) ★ 3-Cell Traveling-wave Output Cavity (E37113/E37115) ★ 4-Cell Traveling-wave Output Cavity (E3768) * E3768 needs modification and development because of some limits. E37113 E37115 High Eff. tube is under development in collaboration with CERN. E3768 PPM focusing

  7. 2 0 2 C-band pulse klystron for science Typical Operations 1.4 m Accelerator Facilities SACLA 64 sockets(E37202) Swiss FEL 28 sockets (E37212) ★ 3-Cell Traveling-wave Output Cavity E37202 E37212

  8. S-band pulse klystron for science(50MW class) Typical Operations 1.4 m Accelerator Facilities KEK 60 sockets SSRF(China) RIKEN 1 socket CNPEM(Brazil) Tohoku Uni. 1 socket BNL(USA) IHEP(China) 16 sockets DESY(Germany) MXIS(USA) 2 sockets THU(China) 1socket MAX-IV(Sweden) 20 sockets RRCAT(India) 1socket Jagiellonian Univ.(Poland) E3730A E37302A E37310

  9. S-band pulse klystron for science (80MW class) Typical Operations 1.9 m Accelerator Facilities SPring-8 13 sockets (E3712) PAL(Korea) 12 (PLS) + 50 (X-FEL)sockets (E3712 type) KEK 9 sockets (E3712) SAGA-LS 2 sockets (E3712) AIST 2 sockets (E3712) NSRL(China) 2 sockets (E3712) CLARA(UK) 4 sockets (E37333) E3712 E37333

  10. L-band pulse klystron for science Typical Operations 2.8 m 3.6 m E37503 MBK E37504 Accelerator Facilities ESS 18 sockets (E37504), under construction CERN 1 socket (E37503) DESY 7 sockets (E3736) SLAC/KEK 1 socket (E3736) ★ Tapered Pillbox Window (E3736, E37503) ★ 6-Beam Multi-Beam Klystron (E3736, E37503) 2.3 m E3736H MBK

  11. RF Windows Example of RF windows (S, C, X-band) • CETD windows • Variety of frequencies • (UHF to X-band) • Customization possible Long Standard Electric field strength Electric field strength Position on center axis Position on center axis

  12. High efficiency klystron development in CETD Conventional design 5 cavities Output power: 7.5 MW Efficiency: 45% Test result of prototypes • #2: Collector length and cavity frequencies were modified from #1. • 59.2% efficiency at 7.3 MW output power was achieved. • New bunching method is effective for efficiency enhancement. 1 m #1  KEK #2 FOR SALE Bunch Phase High Efficiency design 10 cavities 62% in simulation

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