TSMC Restarts $19B Longtan Facility for 0.1nm Angstrom Chip Production

TSMC has officially announced the restart of its $19 billion Longtan facility, pivotally shifting its focus toward the production of 0.1nm (angstrom-scale) chips. This move marks a significant milestone in the post-Moore’s Law era, as the industry pushes toward the fundamental physical limits of silicon.

The facility will utilize advanced High-NA EUV lithography and a proprietary CFET (Complementary FET) architecture to achieve unprecedented transistor density and energy efficiency.

Engineering the Angstrom Era

Moving to the 0.1nm node requires overcoming massive challenges in quantum tunneling and heat dissipation. TSMC's breakthrough involves the use of 2D materials like molybdenum disulfide to create ultra-thin channels that maintain performance even at atomic scales.

Technological Highlights:

• CFET Architecture: Stacking n-type and p-type transistors vertically to save 50% more space.
• Backside Power Delivery: Decoupling power and signal lines to reduce IR drop and improve clock speeds.
• Quantum Shielding: New dielectric materials designed to prevent signal leakage between atomic-scale gates.

Production is slated to begin in late 2026, with Apple and NVIDIA already securing the lion's share of initial capacity.