Amkor expands Arizona advanced packaging campus investment to USD 12 billion
AMKR•Amkor expands Arizona campus plan
Amkor Technology expanded its Arizona advanced packaging and test campus plan, lifting total planned investment to USD 12 billion.
- Phase 2 adds 60,000 square meters of cleanroom space, taking the site to about 93,000 square meters as customer commitments exceed Phase 1.
- Construction is slated to start in late 2027, with completion expected by end-2029.
- The multi-phase campus is expected to support more than 3,500 Arizona-based employees once Phase 1 and Phase 2 are operating.
- Amkor positions the 170-acre site as a high-volume U.S. OSAT hub for advanced packaging, with capacity for further expansion.




