05.10.2016

• Vacuum chamber was cleaned with dishwashing detergent
• Discussion about the breadboard (M3 screw size, small passage for the light, aluminium) and spacer (3cm, plastic) for incouple and outcouple light from the cavity
• Mounting (holes for countersunk head screws) was repaired
• Countersunk head screws installed in mounting. Probably, screws made of V2A steel:

ToDo in Hannover:

• Order and design breadboard (2x)
• Order and design eccentrical spacer (1mm from centre)

Next time at PTB:

• Clean the vacuum chamber with acetone
• Drill holes in cavity breadboard
• Test the M6 holes from vacuumchamber if all threads are deep enough.