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Introdution of material - Coggle Diagram

- - - - Surface treatment
      - Artificial layered structure
      - Advanced composites
- - - - Issue: High ductile-brittle transition temperature
      - Environment: Sea water temperature -2°C
      - Material: Plain carbon steel
  - - - Properties: Hard, scratch- resistant, low gas permeability
      - Treatment: Chemical bath and heat treatment
      - Material: Ultra-thin glass
    - - Weight: As strong as steel, nearly 50% lighter
      - Comparison: Stronger and more durable than aluminium
  - - - 2D Packaging SPE: 10% - 50%
      - 2.5D Packaging SPE: 50% - 70%
      - Formula: Area of silicon / Total Substrate Area
      - 3D Packaging SPE: 70% - 100%
    - - Graphite Composite Conductivity: 370 W/mK
      - Copper Conductivity: 400W/mK
      - Aluminium Conductivity: 235 W/mK
      - CarbAl Conductivity: 425 W/mK