A new way to build chips: Sequentially stacking silicon to extend Moore's Law
2 days ago
- #monolithic stacking
- #3D chip integration
- #silicon circuits
- Researchers develop a scalable method to sequentially stack silicon circuits for 3D chips, enhancing computing density and performance.
- The process uses single-crystalline silicon at temperatures under 400°C, achieving high device yields (98–100%) and industrial potential.
- Monolithic 3D integration allows for dense interlayer connections, overcoming thermal budget limits and improving upon wafer bonding methods.
- The team employs junctionless transistors and ultrathin silicon nanomembranes, enabling multiple stacked layers with strong performance uniformity.
- This advancement supports extending Moore's Law by vertically building circuits, beneficial for AI and data-intensive computing applications.