HBM4 and Glass Substrates: Cracking the Physics Wall of 2026 AI Infrastructure
As HBM4 hits the 16-layer stacking limit and organic substrates warp under the pressure of NVIDIA’s Vera Rubin, 2026 marks the rise of Hybrid Bonding and Glass Substrates. The “Moore’s Law” of the front-end is dead, and the back-end is currently screaming in agony. In …



