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

 

Presents: Cyrille, Thiziri, Bhuvan, Oleksandra, Francesco, Karim, Stephanie, Marc, Pascal, Yahya, Reina, Yann, Paul, David, Giovanni

General news:

  • JUAF starting tomorrow
  • ITkWeek first week of July
  • We are invited to be formally part of the Core Column Task Force, Francesco accepted
  • Geometry change possible: 150 in place of the 100 in the ring, possibly no impact on us
  • Order RS common: david will do it
  • Order big vacuum pump mainteinance

Probe station

  • Cooling fluid under order from Chemsolutions in Italy. We are in the process of creating the account in the CNRS database to proceed

Wirebonding

  • SCC not yet done, but should be put in priority now
  • Frequent breaking of the wire in the tool
  • Bad pull force systematic after the first bond -> clamp tuning issue -> tuned and solved
  • PPP38 bonded but three wires are lost, we need to re-bond them

Assembly

  • PPP47 glued by Cyrille and Bhuvan
  • All good
  • Next modules in the coming week with Bhuvan and Oleksandra who do not leave for JUAF/Biennale

Metrology

  • PPP47 one chip detached during manipulation
  • Metrology was done with a lot of difficulties but completed including backside flatness

Unmasking

  • No progress. Still to check the tool.
  •  

Outer barrel WB protection

  • No news, postponed to after the Biennale
  • Pre-prod canopies seems better
  • Plan is to glue another glass to finish step-1

Testing

  • CAEN HV+ card is in arrivied in italy for expertise for the offset
  • Security switch for the climante chamber door: maybe it's broken. We need to order a new one.
  • In principle vacuum chucks for the climate chamber will arrive to CERN tomorrow, we might be able to transfer them to Paris via Biennale
  •  

Xray

  • Waiting for the box. Delayed production because there is a malfunction on one of manufacturing machines.

 

  • Install the PC
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