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Cutting-Edge Distribution Board and FPU Harness Concept for PACS FPU System

Explore the latest developments in distribution boards and FPU harness design for the PACS FPU system, including approved layouts, materials, and testing protocols. Stay updated on completed tasks and ongoing work schedules.

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Cutting-Edge Distribution Board and FPU Harness Concept for PACS FPU System

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  1. Distribution Boards and FPU Harness Concept R. Graue, D. Kampf Kayser-Threde PACS FPU

  2. Distribution Board – Blue Detector PACS FPU

  3. Distribution Board – Red Detector Harness layout due to equal length of all detector modules PACS FPU

  4. EM Breadboard PACS FPU

  5. Distribution Board – Approved Design • Rigid-flex boards • Material • PCB: FR4 • Flexible Harness: Polyimide • Layout shall be designed according to CNES QFT/SP.0019 • Connectors: Cannon MDM 3401029 01B .... FR139 • Capacitors: WIMA MKS 6,8 micro Farad, 50 VDC, 30 VAC • Resistors: RNC 55 according to ESA SCC 40001 001 PACS FPU

  6. Distribution board test matrix PACS FPU

  7. Distribution Boards – Functional Verification Plan • Incoming inspection according to inhouse procedures • Visual inspection (components, bonding points) • Measuring machine • Pin to pin continuity • Insulation • Cross talk ohmic resistance test • PCB layout test against Gerber data (automated inspection protocol) PACS FPU

  8. Distribution Boards Functional Check Out Test Plan on FPU level • Functional tests (prior and after cold vibration tests and during He temperature tests) • Complete detector chain operation required • Detection of Photoconductor signals (tbd by MPE) • Test operations controlled by COE (MPE-tbc) • Validation of signals by MPE (determination of nominal Photoconductor operation) PACS FPU

  9. CQM Distribution Board –Status - Completed Tasks I Design, Documentation and Components • PCB design completed • Manufacturing data package completed • ICD updated • CQM components tested /screened/released by ESA (Resistors, capacitors, connectors) PACS FPU

  10. CQM Distribution Board –Status - Completed Tasks IAssembly • EM Test board • Manufactured • Functional testing • Cryogenic cycling test (LN2) • Cryogenic vibration test (LHe) – Cryo STM test • CQM Boards • PCBs Manufactured and under inspection (NCR wrt anomalies) • PFM Boards • PCBs Manufactured and under inspection (see CQM) PACS FPU

  11. Distribution Board –Status – Open Work and Schedule • CQM Boards • Assembly • Functional testing • Cryogenic cycling test (LN2) • Qualification testing of bookbinder fabrication technology • Documentation (Inputs for DP) • Distribution board delivery until 11.2003 • PFM Boards • Asssembly and testing • Capacitor screening and distribution board delivery until 7.2004 PACS FPU

  12. Distribution Boards Cryo Qualification Test Matrix  Distribution Boards are Cryo Vibration Qualified PACS FPU

  13. Distribution Board - Open Points • PFM Capacitor screening (Updated procedure) • Verification test plan of PCB bookbinder technology manufacturing procedure in progress • Microscopic tests (e.g. cracks) • Thermal tests • Functional tests PACS FPU

  14. FPU Harness Architecture PACS FPU

  15. Harness – CQM/PFM Procurement Status • Harness designed and approved • Manufacturing data package released • CQM/PFM Manufacturing completed • CQM/PFM Hardware delivered and inspected • ICD approved • CQM harness under integration into FPU (CQM) PACS FPU

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