TSMC to build 30% of its 2nm and more advanced chips in the U.S., to speed up Fab 21 build out Tech News Eulis April 17, 2025 TSMC plans to produce 30% of its 2nm and 1.6nm chips in Arizona as part of a its effort to transform its Fab 21 site into a major U.S. semiconductor hub. Go to Source Author: