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Production Design BOM, Packaging, Mfg and Test Process Design. Objectives Introduction to Printed Circuit Board Substrates Introduction to Discrete and IC level Packages Mass Production Thru-Hole and SMT Assembly Processes Mass Production Test Strategies and Systems PCB Layout of Prototype

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Production Design BOM, Packaging, Mfg and Test Process Design


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    Presentation Transcript
    1. Production Design BOM, Packaging, Mfg and Test Process Design • Objectives • Introduction to Printed Circuit Board Substrates • Introduction to Discrete and IC level Packages • Mass Production Thru-Hole and SMT Assembly Processes • Mass Production Test Strategies and Systems • PCB Layout of Prototype • Production Schematic and Package Selections • Compile Production Design Bill of Materials

    2. Production Design BOM, Packaging, Mfg and Test Process Design • Recall Lab 3 - Prototyping

    3. Prototype PCB Design - PreLAB • Deliverable Set 1: Individual Block Level - PROTOTYPE • PROTOTYPE Block BOM incl Packages • PROTOTYPE Schematic (Suggest Using ExpressSCH) • PROTOTYPE Netlist Table • PROTOTYPE EXPRESS-PCB Layout: Remember to Consider • Overall Dimensions & Sharing with Other Blocks • 2 Layers or 4 Layers • Component Package Matching your BOM and your Part Procurement • Through Hole Parts Preferred in Prototypes • Power & Ground Trace Widths, Signal Trace Widths • Silkscreen Labeling • Input & Output signal pads for wires/connectors and other off board signals

    4. Production Design BOM, Packaging, Mfg and Test Process Design - PreLAB Production Design !! Not for Prototype Deliverable Set 2: Individual Block Level • Revise Your Detailed Block Production Schematic (from Lab 4) • For each design block, compile Block BOM template info • Using Excel Template, for each unique component define; • Qty • Primary Unit* • Tol%* • PCB Attach Method • # of Pins or Connections • Package Type • Placement Method • Mfg Part # for at least 2 sources if possible • Estimated PCB Area in mm2 • Unit Cost and Total Cost • Paste as picture only into PPT slide as part of block design or Summarize

    5. Production Design BOM Pull Downs

    6. Production Design BOM, Packaging, Mfg and Test Process Design For Production Assembly Only Not for Prototype • Create a Master Product Asm BOM for the Project by combining all Block BOMs • Eliminate redundant Part lines by combining Qty • Try to eliminate any similar components by choosing the same part when applicable • Use as few unique part numbers as possible in the overall design • Copy and Paste as picture only into PPT slide(s) as part of overall design • Create overall Mfg Process Diagram • Show all blocks related to PCB assembly • Show all blocks related to test • Include all levels of assembly Deliverable Set 3: Product Level - Team Remainder of Lab Time for Prototype Construction & Test

    7. Production Design BOM, Packaging, Mfg and Test Process Design Production Design Guide • Use Mass Production Quantities Based on Business Case • Use Surface Mount Technology Whenever Possible • Costs to Consider • Parts and Material including Substrates (Fabs) • Assembly at All Levels • Test & Inspection • Programming, Setting & Configurations • ESS • Define # of Assembly levels (PCB, Cables, Display, Overall, etc) • Define Assembly process flow diagram(s) for each level • Optional Deliverables (Paper Only) • Assembly Level Diagram (Mechanical) • PCB Layouts