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Publication
ECTC 2023
Conference paper
Voids-free Die-level Cu/ILD Hybrid bonding
Abstract
Multiple moisture evolutions/adsorptions pathways on the dielectric film surfaces and in the film bulk were linked to bonding voids contributions based on Zhuravlev model in silica. A die-to-die (DtD) and die-to-wafer (DtW) Cu/interlayer dielectric (ILD) hybrid bonding methodology has been successfully developed to reduce and eliminate moisture related voids with defect-free results.