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LVPS Production Update

This meeting summary discusses the production activities at Argonne National Laboratory for the ATLAS TileCal project, including brick delivery, testing, burn-in, and shipment. It also highlights the use of a web interface tool for monitoring brick quality. Future plans include building more test stands, improving software, and conducting radiation testing.

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LVPS Production Update

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  1. LVPS Production Update Tim Cundiff, Gary Drake, Tom LeCompte, Jimmy Proudfoot, Duong Nguyen, Michael Oberling, Larry Price, Bob Stanek Argonne National Laboratory ATLAS TileCal Operations Meeting, 12/8/2011

  2. Production Summary • All bricks were delivered to Argonne from the assembly vender last week • Main activity from the last week are the brick checkout • We were working 2 shifts, including weekends • 6 full-time equivalents running test stands -> the bricks were tested quickly before and after the burn in. • We have only one burn-in station -> run all time (3-4 loads per day). • Large amount of bricks were burned in on the last weekend for a big shipment (14 boxes) on Tuesday this week. • Basically, we finish this year production now • Complete the brick checkout on Dec. 7 (yesterday) • 328 bricks have been delivered to CERN (41 boxes)

  3. Testing and Burn-in • Almost all bricks are tested, burned in and repaired/adjusted (98%-100%) • 10% extra are checked out (109.6%)

  4. Shipments • 41 boxes are shipped

  5. Web Interface Tool • Read test result database (in plain text ) and make histograms of test output parameters. • Useful to monitor the brick quality and setting test limits for production. Work done by Wisconsin (Abhirami and Sanish) and Agronne (Sergei, web interface developer)

  6. What next? • Learn from the first batch of production • Build 4th test stand and 2nd burn-in station, improve software. • Order parts for assembly • Radiation testing with proton beam to verify directly the SEU sensitivity to the controller chip.

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