Notes
Slide Show
Outline
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Foundry Technology Reliability
  • Shang-yi Chiang
  • Sr. VP of R&D
  • TSMC
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Outline
  • Foundry Business Model
  • Foundry Technology Challenges
  • Foundry Quality/Reliabilities Challenges
  • Reliability Built-in Technology
  • Summary
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Foundry Business Model
  • Broad base customers with diverse technology and service requirements
  • Core competence in technology, manufacturing, and services
  • SC dis-integration enabler
  • From dis-integration to virtual integration


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Virtual Integration of  Value Chain
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Pure Foundry-based share of IC Revenues & Pure Foundry Revenues
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Foundry Technology Challenges
  • Leading-edge technology
  • Depth and breadth of technology
  • SoC integration
  • Market segment specific requirements
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TSMC Technology Strategy
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Process Cross-sections: Transistor
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90nm with Low K and Cu Interconnects
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TSMC OFFERS A BROAD TECHNOLOGY SPECTRUM WITH FULLY COMPATIBLE RULES
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SoC at TSMC -Single Chip Bluetooth
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Foundry Quality & Reliability Challenges
  • New Materials: Implications to Reliability
    • Low-k Dielectrics
    • Cu Metallization:
      •  Stress Migration (SM)
      • Stress Induced Voiding (SIV)
  • Manufacturing Quality Control
    • Advanced Process Control (APC)
    • Wafer Level Reliability (WLR)
  • Customer Applications
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Cu/low k: Inter Metal Dielectric TDDB
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Low k: Joule Heating
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Cu Interconnect : Stress Migration (1)
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Cu Interconnect : Stress Migration (2)
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Cu Interconnect : Stress Migration (3)
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Advanced Process Control Methodology
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Advanced Process Control Example
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Wafer Level Reliability in-line Monitor
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Expedited EFR Learning
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Overdrive Application:
Speed Degradation Evaluation
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FIT for Use
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Early Failure Rate Reduction by
Testing - Dynamic Voltage Stress
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Reliability Built-in Technology
  • Design for reliability
  • New material characterization for reliability
  • Optimization of process flow
  • Simulation during development
    • Process reliability simulation
    • Overdrive evaluation
    • Circuit critical path study
  • Reliability evaluation during module development
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Summary
  • Strong process technology fundamentals
    • Reliability evaluation starts in early stage of process development
    • Explore wide range of options for materials/process selection
  • Close collaboration with customers
    • Diverse reliability requirements
    • Early engagement
  • Reliability built-in foundry technology