Velo module production meeting

Monday 25 Jan 2021, 12:45 → 14:20 Europe/Amsterdam

Nikhef

Krista de Roo, Wouter Hulsbergen

Zoom link:
https://cern.zoom.us/j/98687873748?pwd=UXVOMXJaSHJZZlVVVDY5Z01LT2pWQT09

 

Module production twiki page:
https://wiki.nikhef.nl/lhcb/Upgrade/VeloModules

1 Requests for Modules

N014: VP0-1 debug communication and problem with register 0x641 matrix_ctrl (Kristof) N016: Band gap measurement, to get more statistics N017: equalisation with different shutter time (Kristof) [Done] N017: equalisation at 160V or 180V (Kristof) [Done]

Slides N017_equalisation_study.pdf

2 Open issues

1. fix hybrid gluing script (Igor and Wouter) 2. fix z-position procedure in tile gluing script (Wouter) 3. ask Martijn to measure the new jig and the old jig (Wouter/Krista) 4. update testing procedure in manual (Krista) 5. new POM blocks for hybrid gluing (Lara) 6. machining of the inserts for the transport boxes (Lara) 7. update hybrid cable stock components in components database (Krista/Wouter) 8. align magnetic mounts for of jig B to tile transfer jigs (Lara)

3 Status

4 Planning

* cooling system - maintenance Tuesday (Krista) * N025 - LV/HV on Wednesday (Lara, Krista) - wirebonding Thursday/Friday (to be arranged) * N026: - n-side tile gluing on Tuesday (Wouter, Igor) - hybrid gluing later this week * N027: - next week