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GLAST LAT Tracker Tower16 Pre-Ship Review

GLAST LAT Tracker Tower16 Pre-Ship Review. Luca.latronico@pi.infn.it INFN-Pisa. Tower 16 - Assembly and test highlights. tray17 replacement. October 25-28, 2005 (INFN-Pisa) : assembly of complete tray stack (15 non-flight trays) complete cable set (3 non-flight cables)

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GLAST LAT Tracker Tower16 Pre-Ship Review

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  1. GLAST LAT Tracker Tower16 Pre-Ship Review Luca.latronico@pi.infn.it INFN-Pisa

  2. Tower 16 - Assembly and test highlights tray17 replacement • October 25-28, 2005 (INFN-Pisa) : • assembly of complete tray stack (15 non-flight trays) • complete cable set (3 non-flight cables) • sidewalls, alignment • No environmental tests performed • No Solithane, No EMI taping • Full EIDP details at: • http://glast.pi.infn.it  TOWER 16 is a spare, non-flight module and will be used for calibration studies tray to be replaced

  3. Tower 16 – configuration details Tower PN: LAT-DS-00722 (rev3) Tower SN: 16 18 non-flight trays: • 5 from tower0 – some needed rework • 4 from flight towers 1,14,7,8 and showing anomalies at high T and/or vacuum – removed and reworked where necessary • 1 with anomalous GTFE • 5 with minor mechanical problems 3 non-flight cables: • C0-023, C6-008, C7-009 4 non-flight sidewalls: • EM laminate • 50 mm Al on ext. surface • pocket for extra-thick closeout out of specs Tracked in NCR INFN/PI 593

  4. Tower 16 – functional test details issues to deal with when testing layers with more than 16 bad chans or rare anomalies 3 9 Tracked in NCR INFN/PI 594 Overall bad channels

  5. Tower 16 – efficiency performance Average tower efficiency is 99.5% (waiting enough for FE2 on Y11 to warm-up and taking into account also Y15 with ~160 bad chans)

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