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GLAST Large Area Telescope Calorimeter Subsystem

Gamma-ray Large Area Space Telescope. GLAST Large Area Telescope Calorimeter Subsystem. 2.0 Management W. Neil Johnson Naval Research Lab, Washington DC Calorimeter Subsystem Manager neil.johnson@nrl.navy.mil (202)–767–6817. Outline. Organization Work Flow / Fabrication Plan

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GLAST Large Area Telescope Calorimeter Subsystem

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  1. Gamma-ray Large Area Space Telescope GLAST Large Area Telescope Calorimeter Subsystem 2.0 Management W. Neil Johnson Naval Research Lab, Washington DC Calorimeter Subsystem Manager neil.johnson@nrl.navy.mil (202)–767–6817

  2. Outline • Organization • Work Flow / Fabrication Plan • Schedule Summary • Critical Path Analysis • Procurements

  3. Calorimeter – Institutional Organization

  4. CAL Subsystem WBS

  5. Calorimeter Work Flow Dual PIN Diodes(DPD) NRL/CEA CsI CrystalsSweden (KTH) Front-End Electronics NRL, SLAC Mechanical StructureFrance (IN2P3/Ecole Polytechnique) Crystal Detector Element (CDE) AssemblyFrance (CEA/DAPNIA) Optical Wrap Bond PIN Diode (each end) 18 CsI Crystal 18 Module Assemblyand Test, NRL+collab End Cap Wireleads 1728 PreElectronics Module (PEM) AssemblyNRL 18 16 Flight modules + 1 Qual + 1 Spare

  6. CAL Hardware Collaborators

  7. CAL Summary Schedule Module Available Dates (RFI) Module Need Dates (RFI)

  8. CAL Qual Module (FMA) Dual PIN Photodiode NRL, CEA/Salcay 06/18/03 (29) Crystal Detector Elements (CDE)CEA/Saclay 08/29/03 (1) Pre Electronics ModuleNRL10/08/03 (1) CsI CrystalsSweden 03/21/03 (88) CAL ModuleNRL11/17/03 (1) Carbon Composite StructureAl base, closeouts, plastic partsLLR/Ecole Polytechnique 07/24/03 (30) Analog Front End Electronics (AFEE) NRL 10/09/03 (1) ASICsSLAC, NRL07/30/03 (1) Other EEE partsParts Qual/Screen NRL08/08/03 (1) CalibrationEnvironmental TestNRL01/26/04 (0) Ready for Integration (RFI)02/17/04 (0)(L3: 02/17/04) PCBNRL, SLAC06/23/03 (34) Completion Dates (float)

  9. CAL Flight Module 3 Dual PIN Photodiode NRL, France 08/04/03 (81) Crystal Detector Elements (CDE)CEA/Saclay 10/27/03 (68) Pre Electronics ModuleNRL11/17/03 (68) CsI CrystalsSweden 05/16/03 (132) CAL ModuleNRL01/15/04 (62) Carbon Composite Structure Al base, closeouts, plastic partsLLR/Ecole Poly 09/15/03 (101) Analog Front End Electronics (AFEE) NRL 10/24/03 (85) ASICsSLAC, NRL 07/30/03 Other EEE partsParts Qual/Screen NRL 08/08/03 CalibrationEnvironmental TestNRL03/04/04 (54) Ready for Integration (RFI)03/30/04 (54)(L3: 06/15/04) PCB NRL, SLAC 06/23/03 Completion Dates (float)

  10. CAL Flight Module 16 Dual PIN Photodiode NRL, France 12/18/03 (104) Crystal Detector Elements (CDE)CEA/Saclay 04/23/04 (45) Pre Electronics ModuleNRL05/15/04 (45) CsI CrystalsSweden 11/19/03 (120) CAL ModuleNRL06/02/04 (44) Carbon Composite Structure Al base, closeouts, plastic partsLLR/Ecole Poly 03/24/04 (70) Analog Front End Electronics (AFEE) NRL 01/14/04 (177) ASICsSLAC, NRL 07/30/03 Other EEE partsParts Qual/Screen NRL 08/08/03 CalibrationEnvironmental TestNRL06/25/04 (45) Ready for Integration (RFI)07/22/04 (45)(L3: 09/24/04) PCB NRL, SLAC 06/23/03 Completion Dates (float)

  11. CAL Procurements

  12. CAL Procurements (2)

  13. CAL Procurements (3)

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