TSMC and Amkor Technology have signed a 10-year agreement to expand semiconductor packaging operations in Arizona. The deal aims to strengthen the U.S. chip supply chain and reduce reliance on Asian manufacturing, a move that also addresses geopolitical risks tied to overseas production.
What the agreement covers
The two companies didn't disclose financial terms or a specific investment figure. But the partnership focuses on advanced packaging—the final step where individual chips are assembled, sealed, and connected. TSMC, the world's largest contract chipmaker, and Amkor, a leading packaging and test firm, will work together to increase capacity at Amkor's Arizona facility. The 10-year timeline signals a long-term commitment to building out domestic infrastructure.
Why Arizona
Arizona has become a hub for semiconductor investment in recent years. TSMC already operates a massive fabrication plant in Phoenix, and Amkor has a packaging site in the state. The new deal deepens that presence. By co-locating packaging near TSMC's fab, the companies can cut logistics costs and speed up delivery times. It also keeps more of the chip-making process inside the U.S.
The geopolitical context
Today, most advanced chip packaging happens in Asia, particularly in Taiwan, South Korea, and China. That concentration poses risks. Any disruption—from a natural disaster to a military conflict—could stall global supply chains. The TSMC-Amkor deal is part of a broader industry push to spread production across multiple regions. The U.S. government has also pushed for domestic chip manufacturing through policies like the CHIPS Act, though the companies didn't mention any direct subsidies tied to this agreement.
The deal doesn't mean the U.S. will become self-sufficient overnight. Building chip packaging lines takes years, and skilled workers remain scarce. But the 10-year pact gives both companies a stable framework to invest, hire, and scale up. For now, the focus is on getting the Arizona site ready to handle the next generation of chips for clients like Apple, Nvidia, and AMD.
The goal: a more resilient semiconductor supply chain, less vulnerable to disruptions from overseas.




