1. GLAST LAT ProjectCDR/CD-3 Review May 12-16, 2003 Document: LAT-PR-01967Section 15 Manufacturing & Processes 1 GLAST Large Area Telescope Manufacturing 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/CD-3 Review May 12-16, 2003 Document: LAT-PR-01967Section 15 Manufacturing & Processes 2 Manufacturing Overview Anticoincidence Detector manufactured by GSFC Tracker Towers manufactured by INFN/UCSC/Plyform/Mipot Calorimeter Module manufactured by NRL/CEA/IN2P3 DAQ and Tracker electronics manufactured by SLAC/Teledyne Grid Box Assy. manufactured by SLAC Radiators manufactured by Lockheed-Martin

3. GLAST LAT ProjectCDR/CD-3 Review May 12-16, 2003 Document: LAT-PR-01967Section 15 Manufacturing & Processes 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/CD-3 Review May 12-16, 2003 Document: LAT-PR-01967Section 15 Manufacturing & Processes 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/CD-3 Review May 12-16, 2003 Document: LAT-PR-01967Section 15 Manufacturing & Processes 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/CD-3 Review May 12-16, 2003 Document: LAT-PR-01967Section 15 Manufacturing & Processes 6 Procurement Process

7. GLAST LAT ProjectCDR/CD-3 Review May 12-16, 2003 Document: LAT-PR-01967Section 15 Manufacturing & Processes 7 Material Receiving

8. GLAST LAT ProjectCDR/CD-3 Review May 12-16, 2003 Document: LAT-PR-01967Section 15 Manufacturing & Processes 8 Basic Manufacturing Flow

9. GLAST LAT ProjectCDR/CD-3 Review May 12-16, 2003 Document: LAT-PR-01967Section 15 Manufacturing & Processes 9 Electronics Manufacturing Flow

10. GLAST LAT ProjectCDR/CD-3 Review May 12-16, 2003 Document: LAT-PR-01967Section 15 Manufacturing & Processes 10 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

11. GLAST LAT ProjectCDR/CD-3 Review May 12-16, 2003 Document: LAT-PR-01967Section 15 Manufacturing & Processes 11 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

12. GLAST LAT ProjectCDR/CD-3 Review May 12-16, 2003 Document: LAT-PR-01967Section 15 Manufacturing & Processes 12 Spares and Repairs Spares listed in LAT-MD-01687, Configuration Item Data List End items delivered by Subsystems to Integration and Test at SLAC Damaged or failed end items returned to manufacturers for repair Calorimeter modules repaired by NRL ACD repaired by GSFC Tracker towers/trays repaired by INFN DAQ hardware repaired by assembly vendor or SLAC personnel –Plan to hire qualified assemblers to support I&T –These assemblers will work with assembly vendors to learn hardware Grid Box Assembly repaired by SLAC

13. GLAST LAT ProjectCDR/CD-3 Review May 12-16, 2003 Document: LAT-PR-01967Section 15 Manufacturing & Processes 13 Clean Room Support ESD-safe, clean-room lab coats Hair covers Face masks Shoe covers Gloves and finger cots Clean-room swabs and wipes Solvents and DI water ESD-control wrist straps Fastener inventory