Optimal Surface Condition For Improved Cu-to-Cu Direct Bonding (NCHU, Osaka Univ.)


A new technical paper titled "Hybrid surface pre-treatments for enhancing copper-to-copper direct bonding" was published by researchers at National Chung Hsing University (NCHU) and Osaka University. Abstract excerpt "Three-dimensional integrated circuits (3D IC) require low-temperature, high-reliability Cu–Cu direct bonding to support fine-pitch vertical interconnects and heterogeneous... » read more

Gallium-Based SMP for High-Performance Cu-to-Cu Bonding (National Cheng Kung Univ.)


A new technical paper titled "Sonochemical Synthesis of Submicrometer Ga-Based Particles for Cu-to-Cu Interconnection" was published by researchers at National Cheng Kung University. Abstract "Heterogeneous integration has been the most important electronic packaging technology, with the emerging needs of miniaturization of electronic devices. Conventional solders are gradually unable to me... » read more