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    BGI Team Meeting

    → Europe/Zurich
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    Present: Hampus, James.

    PS BGI

    Installation schedule

    • Magnet & tank installation at SS84 scheduled for 3rd June 2020, subject to RF tests of the tank.  Action: Remove instrument from tank for RF test ( James & Josh. ) 

    Mechanics

    • Didier has updated the BGI-Vertical and BGI-Horizontal models with the new copper cold hold design and has also removed superfolous pieces (e.g. old detector design). Technical drawings prepared for new BGI-Horizontal pieces, meeting with Emilien tomorrow to kickstart production of the news parts need for two complete BGI-Horizontal instruments.
    • Didier would have time to add the new Mk.III detector design to the CATIA model. Action: Send Mk.III designs (domino, ceramics, copper micro-bars) to Didier for incorporation in the CATIA model ( Swann when he returns. )
    • Amorphous carbon coating still needs to be added to the Faraday cage cover. Action: Contact Wilhelmus Vollenberg ( James ).

    Ionisation electron detector

    • Timepix3 HPD's with selective metalisation have arrived from Advacam.
    • As far as we know Hightec will deliver Ceramic PCB's at the beginning of June.
    • Would be good to inform the electronics workshop & wirebonding lab that we will most likely need their services for two runs first in mid-June and (hopefully) a second run for the final modules some time later. Action: Communicate request to the electronics workshop & wirebonding lab ( Swann when he returns ). 
    • Status of the flex cables? Action for Swann when he returns.

    Readout electronics

    • Working on document to describe "PS BGI after LS2: Instrument Functions, Readout Architecture & User Interfaces."
    • Hampus has done the schematics for the new SFP+ FMC mezzanine. Action: Contact Christos to setup a design review ( Hampus ).
    • Annouce SFP+ FMC mezzanine & VPB update to the electronics worksop. Action: Contact William ( Hampus ) and ask Christos for the budget code ( James ).

    SPS BGI

    Preparation of instruments

    • Need to test 1) new high voltage power supplies and 2) MCP / phosphor / camera ionisation electron detector. Action: Move HV PLC to 867 and setup instument  (James & Josh ).  Setup SILECS to provide HV control ( Hampus ).

    Timepix3-BLM

     New TImepix3-BLM PCB

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