Engineering Copper Grain Structure for High-Yield Hybrid Bonding in 3D Packaging
By Abdelhamid El-Sawy, Ph.D., Senior R&D Scientist and Bud Troche, Senior Director of Wafer Level Packaging, MacDermid Alpha Electronics Solutions Hybrid bonding is reshaping advanced packaging by enabling ultra-fine pitch copper-to-copper interconnects, essential for high-bandwidth memory (HBM), chiplet integration, and 3D heterogeneous systems. While alignment precision, oxide control, and chemical...



