1. S-band BPM at KNU 2008. 8. 27 Hyoung Suk Kim KNU

2. S-band BPM Left_Cap Right_Cap Center_Frame Left_Support Dipole mode

3. 3-D Measurement for the Laser Alignment 1st meas. (mm) 2nd meas. (mm) 3rd meas. (mm) Average (mm) standard deviation (  m) a17.991317.986517.9913 2.8 b17.988417.993717.983817.98845.0 c18.002318.000717.983418.000710.5 d17.983717.984917.9842 0.6 e17.972117.965317.996917.972116.6 f18.011218.005918.002318.00594.5 g17.985117.981417.985817.98512.4 h17.993417.992317.9927 0.6 a b c d e f g h reference point 1 2 3 4 #1SM-BPM * designed length = 18.0 mm 2 3 1 4

4. Beam Pipes for the SBPM Size of the Cu beam-pipes(OFHC_C1020) to be attached to the SBPM Beam Pipe Size Quantity (ea) Usage I.D=Φ40 / O.D=Φ47, length=177mm (172.5mm) 2 SM I.D=Φ40 / O.D=Φ47, length=48mm (40.5mm) 2 I.D=Φ40 / O.D=Φ47, length=561mm (556.5mm) 2 QM I.D=Φ40 / O.D=Φ47, length=58mm (50.5mm) 2

5. Pre-assembled SBPM for Quadrupole Magnet SBPM for Quadrupole Magnets

6. SBPM for Sextupole Magnets Pre-assembled SBPM for Sextupole Magnet

7. RF Meas ; f (GHz) 2.883 GHz slot size = 25 mm

8. RF Meas ; Decay Time (ns) 83 ns (average) slot size = 25 mm

9. Summary  Shipment schedule - #1SM S-band BPM will be sent to KEK in advance on 10 th of September. - #2SM,3QM,4QM S-band BPMs will be scheduled to be sent on around18 th of September.  Decay time (cold test) was improved from 31 ns to 83 ns in average (RF simulation (HFSS) = 99ns)  Tentative visiting schedule (KEK) to be discussed. - Sept. 15 ~ Sept. 19 (?) ; Hyoung Suk Kim - Oct. 2 ~ Oct. ?? (?) ; Hyoung Suk Kim, Aeyoung Heo