IBM this week unveiled a “nanostack” design that stacks transistors in 3D to pack far more components into the same footprint. The company says the approach reaches sub‑nanometer scales (around 0.7 nm), approaching atomic dimensions and promising bigger performance gains as 2D scaling slows.
IBM plans to combine vertical (3D sequential) transistor architectures with new materials and ultra‑precise fabrication techniques developed in its labs. Moving from experiment to production will require design, materials and process advances that are technically demanding and costly.
Commercial rollout is likely years away, not months. Key dependencies include access to EUV lithography or equivalent tooling, supply‑chain readiness for novel materials, improved manufacturing yields, and foundry partners willing to scale the process amid geopolitical export controls.
If IBM nails production at scale, it could leap to the front of the next chip era — especially for AI, HPC and telecom gear — by delivering much higher density and efficiency. That would shift competitive dynamics across suppliers and national technology strategies, forcing rivals to respond quickly.
WINNERS WILL BE THOSE WHO MOVE FROM LAB TO FACTORY FAST.
Sanjay Sahay
Have a nice evening.