metrologyUpgrade VELO - RF shield 13/08/2014CERNMassimiliano Ferro-Luzzi 1 38 scans per data set:  6 longitudinal scans over each central bulgenr 1 to 6  6 transverse scans over each bulgenr 7 to 12  7 transverse scans over each necknr 13 to 19  repeat for other side thickness obtained from comparison of both sides I redefine "my axes"... Thickness by precise metrology Thanks to Didier Glaude

metrologyUpgrade VELO - RF shield 13/08/2014CERNMassimiliano Ferro-Luzzi 2 seen from silicon detector side longer neck shorter neck inscription (sample label) inscription (sample label) Y Didier X Didier Z Didier origin Didier Glaude's coordinate system  X=0, top of flange  Y=0, edge of flange  Z=0, edge of flange

metrologyUpgrade VELO - RF shield 13/08/2014CERNMassimiliano Ferro-Luzzi 3 seen from silicon detector side longer neck shorter neck inscription (sample label) inscription (sample label) z z x x y y origin My coordinate system  x=0, top of flange  y=0, edge of flange  z=0, edge of flange plot each y-scan offset by incremental +35mm for clarity