Abstract

3D integration technology is nowadays mature enough, offering today further system integration using heterogeneous technologies, with already many different industrial successes (Imagers, 2.5D Interposers, 3D Memory Cube, etc.). CEA-LETI has been developing for a decade 3D integration, and have pursued research in both directions: developing advanced 3D technology bricks (TSVs, µ-bumps, Hybrid Bonding, etc), and designing advanced 3D circuits as pioneer prototypes. In this paper, a short overview of some recent advanced 3D technology results is presented, including some latest 3D circuit's description.

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