1. GLAST LAT ProjectCDR/CD3 Review May 12-16, 2003 Document: LAT-PR-01967-01Section 15 Manufacturing Process 1 GLAST Large Area Telescope Manufacturing Process Jerry Clinton Chief Manufacturing Engineer Stanford Linear Accelerator Center jclinton@SLAC.stanford.EDU (650) 926-5435 Gamma-ray Large Area Space Telescope

2. GLAST LAT ProjectCDR/CD3 Review May 12-16, 2003 Document: LAT-PR-01967-01Section 15 Manufacturing Process 2 Manufacturing Overview Anticoincidence Detector manufactured by GSFC Tracker Towers manufac- tured by INFN Calorimeter Module manu-factured by NRL DAQ/Tracker electronics manufactured by SLAC Grid Box manufactured by SLAC Radiators manufactured by Lockheed-Martin

3. GLAST LAT ProjectCDR/CD3 Review May 12-16, 2003 Document: LAT-PR-01967-01Section 15 Manufacturing Process 3 Requirements 433-MAR-001 GLAST LAT Mission Assurance Requirements LAT-DS-00039 GLAST LAT Performance Assurance Implementation Plan Assemblers trained and certified to workmanship standards NASA-STD-8739.1, 8739.2, 8739.3, 8739.4 and 8739.7 Assembly and test performed in Class 100K clean room compliant with LAT-MD-00404 Production Readiness Reviews

4. GLAST LAT ProjectCDR/CD3 Review May 12-16, 2003 Document: LAT-PR-01967-01Section 15 Manufacturing Process 4 Production Readiness Review Conducted by IPO Required before start of flight manufacturing Iterative reviews to support subsystem delivery schedules Review of processes, specifications, drawings, parts and materials lists –Documentation released for manufacturing –Processes verified on prototype or engineering-model hardware –EEE parts on Parts Identification List and approved for the specific application –Raw materials on Program Approved Materials List and approved for the specific application

5. GLAST LAT ProjectCDR/CD3 Review May 12-16, 2003 Document: LAT-PR-01967-01Section 15 Manufacturing Process 5 Production Readiness Review – Cont. Personnel training and certification Facilities readiness – MGSE, EGSE, ESD controls, compliance with LAT-MD-0404 Parts, materials, tools, test equipment, shop supplies, etc. on hand and in place at start of manufacturing

6. GLAST LAT ProjectCDR/CD3 Review May 12-16, 2003 Document: LAT-PR-01967-01Section 15 Manufacturing Process 6 Procurement Process

7. GLAST LAT ProjectCDR/CD3 Review May 12-16, 2003 Document: LAT-PR-01967-01Section 15 Manufacturing Process 7 Material Receiving

8. GLAST LAT ProjectCDR/CD3 Review May 12-16, 2003 Document: LAT-PR-01967-01Section 15 Manufacturing Process 8 Basic Manufacturing Flow

9. GLAST LAT ProjectCDR/CD3 Review May 12-16, 2003 Document: LAT-PR-01967-01Section 15 Manufacturing Process 9 Material Control Must be a closed loop control process Parts/materials received from suppliers into flight stores Parts and materials issued to work orders for assembly Finished assemblies returned to stores Process repeats for next higher assemblies

10. GLAST LAT ProjectCDR/CD3 Review May 12-16, 2003 Document: LAT-PR-01967-01Section 15 Manufacturing Process 10 Non-Conforming Material Handling All non-conformances are documented on a Non-Conformance Report (NCR) –Identifies non-conforming item –Describes non-conformance –Describes environment unit was in at the time the non- conformance was discovered –Implemented using REMEDY Work stopped until NCR is reviewed and dispositioned by Material Review Board –Chaired by Quality Engineer –Supported by responsible engineer, manufacturing engineer, and other specialty engineers as appropriate –NCRs archived in a data base and kept with the item work order

11. GLAST LAT ProjectCDR/CD3 Review May 12-16, 2003 Document: LAT-PR-01967-01Section 15 Manufacturing Process 11 Spares and Repairs Spares listed in Configuration Item Data List End items delivered to SLAC for integration and test Damaged or failed end items returned to manufacturer Calorimeter modules repaired by NRL ACD repaired by GSFC Tracker towers/trays repaired by INFN DAQ and Grid assembly hardware repaired by SLAC

12. GLAST LAT ProjectCDR/CD3 Review May 12-16, 2003 Document: LAT-PR-01967-01Section 15 Manufacturing Process 12 Clean Room Support ESD-safe, clean-room lab coats Hair covers Face masks Shoe covers Nitrile gloves and finger cots Clean-room swabs and wipes Solvents and DI water ESD-control wrist straps Fastener inventory