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  5. Copper Thick Bonding Wires

Copper Power Bonding Wires

  • PowerCu Soft offers excellent bondability due to extreme softness and minimal deformation resistance

  • Consistently fine grain structure

  • Exceptional thermal stability

  • Minimal electrical resistivity

  • Wide bonding process window

  • Enhanced productivity with special Heraeus spools for extended lengths

  • High reliability in long-life and reliability tests, along with compliance with legal requirements including REACH and RoHS

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Copper, as an interconnect material, offers excellent electrical conductivity and fusing current values. The PowerCu Soft Wires and Ribbons provide outstanding long-term reliability and robust bonds, addressing challenges in thermal management, robustness, miniaturization, weight reduction, and enhanced reliability, particularly for high-voltage modules and systems. Our unique focus on thick bonding wires, alongside other power electronics products, simplifies and optimizes production processes for efficient and cost-effective manufacturing.

Applications include: 

  • Engine and transmission control systems

  • Power electronics for electric and hybrid vehicle drivetrains
  • Generator control
  • SiC technology for reducing electric power losses
  • GaN-based electronics
  • State-of-the-art IGBT modules for drives and power supplies
  • Inverters for renewable energy sources
  • Transportation systems