TSMC 2nm and the AI Chip Race in 2026: N2 Ramp, Samsung, Intel 18A, and the $576B Korea Bet
TSMC 2nm (N2) in 2026: gate-all-around ramp, yields, Samsung SF2 and Intel 18A competition, HBM4, and South Koreas $576B fab investment reshaping the AI chip supply chain.