UMC and Polar Semiconductor tie up to scale US chip production

  • Gas
  • December 5, 2025

Global semiconductor foundry United Microelectronics Corporation (UMC) and US-based Polar Semiconductor are to collaborate on delivering scalable eight-inch production of wafers for use across automotive, data center, consumer electronics, and aerospace & defense industries.

Both firms will identify devices for Polar to manufacture at its recently expanded eight-inch facility in Minnesota.

By combining Polar’s proven manufacturing capabilities with UMC’s technology portfolio and global customer base, the partnership aims to drive mutual growth while supporting customers’ multi-sourcing strategies.

The move will also boost supply chain resilience amid shifting geopolitical dynamics and ensuring a secure domestic supply of power semiconductors critical to automotive, electric grids, robotic manufacturing and data centers.

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