Samsung Unveils Breakthrough 3D Stacked Transistor Technology

Samsung Electronics has achieved a significant milestone in semiconductor research, presenting a 3D Stacked FET with an industry-first 42nm gate pitch at the VLSI Symposium 2026. This innovation, which won Best Paper, allows vertical stacking of transistors, potentially doubling efficiency and performance. Samsung's progress highlights its engineering capabilities, even as its foundry faces challenges. The full commercial benefits remain to be seen.