Meeting ITk LPNHE

→ Europe/Paris
Higgs 12-22-2-28

Higgs 12-22-2-28
Francesco Crescioli (LPNHE), Giovanni Calderini (LPNHE Paris), Reina Camacho Toro (LPNHE)
Description

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https://cern.zoom.us/j/94940524377?pwd=dnI4NnZUWGNMN1ZpRFJncFU1ZlMrQT09

 

Cacher

Presents: Hanane, Julien, David Marc, Karim, Pascal, Marco B, Eric, Yann, Giovanni C, Francesco, Paul

 

General news:

  • ITkPixV2 received
  • We need to vote for the ITk PL, both candidates are very good
  • Hybridisation: Leonardo corrected the alignment problem with the new batch (Milan has received 24x100 3D modules); Advacam received back the problematic 100 um Micron modules and is going to open them to check the reason of the low bumps yield

Wirebonding:

  • ParisPreProd01 was cabled and worked well ... until a little accident during HV wire placing and now it is not working anymore
  • We do not see wires touching, no idea where the problem is
  • Last option: remove the suspected wires and see if 3/4 of the FEs come back
  • Dummy bonding are done. We can attempt SQ on 7.2

Assembly:

  • Last week it was impossible to work due to temperature. Agilent not working. Temperature over 26 C
  • This morning (24 C) I made 4x IV
  • We can continue gluing
  • The two glued module for Japan are going back. Ask Koji/Manabu where the modules are.

Testing:

  • Monitoring card for humidity: the schema that was working on the breadboard but not on the cabled card. Investigating (Karim)
  • Carte interlock (Hanane): good progress, microcontroller and FPGA usable 
  • Standard 640 MBps system installed on the old DAQ PC and working
  • Need to update fw to enable LP mode, but all other tests are possible -> SQ is possible
  • High speed FW development stalled a bit
  • Installed BDAQ card in the xray setup (in preparation of ITkPixV2 tests)

Xray:

  • No luck with orders ... adhesive vinyl to cover it

Testbeam:

 

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