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GLAST Large Area Telescope Tracker Subsystem Parts and Materials Procurement Overview

This presentation provides an overview of the procurement status and detailed presentations on the electronics, mechanical parts, and materials for the GLAST Large Area Telescope Tracker Subsystem. It includes a list of parts, vendors, order dates, and delivery dates.

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GLAST Large Area Telescope Tracker Subsystem Parts and Materials Procurement Overview

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  1. Gamma-ray Large Area Space Telescope GLAST Large Area Telescope: Tracker Subsystem WBS 4.1.4 5A: Parts and Materials Procurement Overview Thomas Borden Stanford Linear Accelerator Center Tracker Subsystem Engineer tborden@slac.stanford.edu

  2. Agenda • Requirements • Detailed Presentations • Procurement Status

  3. Requirements • Two levels of controlling documentation: • LAT Level • LAT-DS-00405 LAT Mechanical Materials and Parts list • LAT-SS-00401 LAT EEE Parts Identification List • LAT-SS-00099 LAT EEE Parts Program Control Plan • Tracker Level • LAT-SS-00172 Tracker Mechanical Parts and Materials list • LAT-SS-00179 Tracker Electronics Parts list • LAT-TD-01379 LAT Tracker Parts and Components Spares Plan

  4. Detailed Presentations • Electronics Parts and Materials N. Virmani • SSD Procurement H. Sadrozinski • ASIC Procurement R. Johnson • Mechanical Parts and Materials T. Borden

  5. Part Source Vendor Order Date Del Date Need QT 18 Towers Ordered Quantity Fab or Assembly Drawing SSD’s SLAC INFN Japan HPK 10/1/01 Ongoing 10,368 11,400 LAT-DS-26 Bias Circuits SLAC Tycho 648 LAT-DS-192 Thin Converters INFN 3456 4200 LAT-DS-791 Thick Converters SLAC Schwarzkopf 2/24/03 4/19/03 1152 1280 LAT-DS-792 4 Ply Face Sheets INFN Plyform 5/1/03 AR 468 LAT-DS-49, LAT-DS-596 6 Ply Face Sheets INFN Plyform 5/1/03 AR 144 LAT-DS-617, LAT-DS-618 Light Core SLAC Plascore 1/31/03 2/27/03 234 260 Light/Thin Core SLAC Plascore 1/31/03 2/27/03 18 20 Heavy Core SLAC Plascore 1/31/03 2/27/03 72 80 Heavy Core Thin SLAC Plascore 1/31/03 2/27/03 18 21 Std Closeouts SLAC Allcomp 7-10-02 12-26-02 to 2/28/02 1216 LAT-DS-92, LAT-DS-93 Top Closeouts SLAC Allcomp 7-10-02 12-26-02 to 2/28/02 72 80 LAT-DS-196, LAT-DS-197 Procurement Status

  6. Bottom Closeouts SLAC Allcomp 7-10-02 12-26-02 to 2/28/02 72 80 LAT-DS-800, LAT-DS-801 Closeout Inserts INFN Plyform 11006 LAT-DS-94 3mm Inserts INFN Plyform 2736 LAT-DS-718 4M Inserts INFN Plyform 432 LAT-DS-592 TMCM Screws INFN 7128 TMCM screw cups SLAC 5000 TMCM connector mount screws SLAC Morris 1/10/03 2592 4000 Tall TMCM’s SLAC Young Electronics 72 LAT-DS-368 Short TMCM’s SLAC Young Electronics 576 LAT-DS-77 Tall TMCM’s-Assembled SLAC Teledyne 6/30/03 72 LAT-DS-899 Short TMCM’s-Assembled SLAC Teledyne 6/30/03 576 LAT-DS-898 Converter Adhesive INFN Plyform Plyform stock AR AR Procurement Status

  7. SSD Adhesive INFN Nusil Plyform stock AR AR SSD Encapsulation SLAC Nusil G&A stock AR AR TMCM Adhesive INFN EC2216 INFN Stock AR AR TMCM Handling Box SLAC Azimuth 8/1/02 648 825 Side Walls INFN Plyform 72 80 Side Walls Screws SLAC Textron 4/30/02 12,564 15,000 Flexures SLAC 8/8 10/8 Flexure Mount Screws SLAC 32 Thermal Strap SLAC AR AR Conductive Tape-corners SLAC 3M 12/18/02 AR AR Flex Cables (8 types) SLAC Parlex 144 160 LAT-DS-584 LAT-DS-723 to LAT-DS-729 Procurement Status

  8. Thermistors SLAC 288 Flex cable SMT resistors SLAC 576 Burn-in cables UCSC Parlex 32 Burn-in holders UCSC 16 Burn-in PWB UCSC 32 Burn-in twist-pair UCSC 32 Lifting Fixture SLAC 1 1 Vibration Fixture SLAC Hand Precision 18 18 Tray handling box INFN Tower Shipping Box - outer SLAC 18 10 Environmental tracking devices SLAC 18 6 Tower Assembly Fixture INFN 1 1 Connector Savers SLAC Omnetics 3/17/03 5/16/03 1296 1600 Procurement Status

  9. Nano Connector Sockets SLAC Omnetics 3/17/03 5/16/03 1296 1800 Nano Connector Plugs SLAC Omnetics 3/17/03 5/16/03 1296 1682 Micro-D Connectors SLAC Cristek 144 Pitch Adapter Flex SLAC Tycho 648 800 HV Caps SLAC Novacap 2/13/03 5/15/03 7000 TMCM SMT resistors SLAC Various TMCM SMT caps SLAC Various Poly Switches SLAC Raechem GTFE ASIC (G3) SLAC MOSIS 12-23-02 3/31/03 15,552 21,600 LAT-DS-812 GTRC ASIC (V6) SLAC MOSIS 12-23-02 3/31/03 1296 3600 LAT-DS-814 Elec. GSE (full) SLAC 8 8 Procurement Status

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