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Progress on sub-task 1. Double length CLIC PETS

Progress on sub-task 1. Double length CLIC PETS. A. Lara, E Rodríguez, L. Sánchez and F. Toral CIEMAT 03/05/2011. PETS fabrication: copper rods. First copper rod is already at CIEMAT. Dimensional control OK. Seven copper rods are being machining. Expected to finish on week 21

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Progress on sub-task 1. Double length CLIC PETS

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  1. Progress on sub-task 1. Double length CLIC PETS A. Lara, E Rodríguez, L. Sánchez and F. Toral CIEMAT 03/05/2011

  2. PETS fabrication: copper rods First copper rod is already at CIEMAT. Dimensional control OK. Seven copper rods are being machining. Expected to finish on week 21 SiC firing: 1000ºC /10-5 mbar/ 2 h Dimensional control of the first copper rod First copper rod

  3. PETS fabrication: couplers and tank COUPLERS AND TANK DESIGN IS FINISHED • Couplers are being machined at DMP, expected to finish on week 22. Brazing details are agreed with the brazing company (Ecor). • Mini tank is ordered, expected to be finished on week 24.

  4. PETS testing: design of the RF measurements Before brazing (optional). After brazing. COUPLERS MEASURING S11 AND S12 • Three different rings: • Lo (70 mm) • Lo +60 º (4.169mm) • Lo+120º (8.337mm) After brazing Before brazing

  5. PETS testing: design of the RF measurements Before EBW. Rods only. Measurement of S11 and S12. Measurements of the phase shift with antenna held by a digital ruler (accuracy 0.01 mm) . EIGTH RODS WITH DAMPING MATERIAL • After EBW. Rods + couplers. • Measurement of S11 and S12. • Bead pull measurements (optional). Before EBW After EBW

  6. PETS: future steps • Activities for the next months: • Finishing the bars, couplers and tank machining. • Brazing of one set of couplers at Ecor. • RF measurements of the copper rods before assembly. • Assembly of the rods by EBW at CERN.

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