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This is an old revision of the document!

19.10.2016

  • I cleaned the vacuum chamber

  • I tested the all M6 holes from the vacuumchamber --> all threads are deep enough!

  • 2x M4-breadboards (incouple and outcouple) and there spacers are done!
  • I assembled the mounting with vitonballs and zerodur rods. --> We need two vitonballs of each metal sheet side. Otherwise the mounting is to wobbly! --> 8x new sinkings for the vitonballs! If you fixed the mounting screws: tighten them crosswise! * Leaktest --> positiv :-/ --> New weld! ToDo in Hannover * Design and order new spacer instead ofeccentrical spacer (1mm from centre) * 8x sinkings for the vitonballs * 3x 1cm sinking grooves for the glasballs (1mm less then the theory). Use 90° milling head! Front: 2x vertical to the zerodur rods, Back: 1x parallel to the zerodur rods! Distance between the middle of the two mountings 28cm. ToDo in PTB * Sebastian took the vacuum chamber to the workshop for a new weld!