TSMC announced a second chip plant for Arizona to begin production of highly coveted 3nm process technology in 2026. | Taiwan-based chipmaker said Arizona fabs will create 10,000 high tech jobs with production starting in 2024 for N4 process and 2026 for 3nm
Oh, and it looks like they have low seismic activity, which is important for such delicate precise manufacturing.
Arizona is trying to make itself the semiconductor center of the US.
Here are their own stated advantages: https://www.azcommerce.com/industries/manufacturing/semiconductor-advantages/