Hybrid Bonding for Ultra-High-Density Interconnect

MC Lu - Journal of Electronic Packaging, 2024 - asmedigitalcollection.asme.org
Hybrid bonding is the technology for interchip ultrahigh-density interconnect at pitch smaller
than 10 μ m. The feasibility at wafer-to-wafer level bonding with bond pad pitch of sub-0.5 μ …

State-of-the-art of Cu-Cu Hybrid Bonding

JH Lau - IEEE Transactions on Components, Packaging and …, 2024 - ieeexplore.ieee.org
In this study, the state of the art of Cu–Cu hybrid bonding (HB) will be investigated.
Emphasis is placed on the design, materials, process, fabrications, reliability, challenges …

Study of ultra-fine 0.4 μm pitch wafer-to-wafer hybrid bonding and impact of bonding misalignment

Y Ikegami, T Onodera, M Chiyozono… - 2024 IEEE 74th …, 2024 - ieeexplore.ieee.org
We have devised a novel process integration technique aimed at minimizing the recess of
Cu pads, successfully achieving ultra-fine 0.4 μm pitch Cu–Cu connections comprising …

[HTML][HTML] Assessment of the Risk of Crack Formation at a Hybrid Bonding Interface Using Numerical Analysis

XB Le, SH Choa - Micromachines, 2024 - mdpi.com
Hybrid bonding technology has recently emerged as a promising solution for advanced
semiconductor packaging technologies. However, several reliability issues still pose …

Process Development and Performance Benefits of 0.64-0.36 μm Pitch Hybrid Bonding on Intel Process

T Talukdar, A Elsherbini, B Rawlings… - 2024 IEEE 74th …, 2024 - ieeexplore.ieee.org
Hybrid bonding pitch scaling is critical to continue to support higher chip to chip bandwidth
at reduced area and power overhead for chip-to-chip signaling. This paper discusses the …

Enhanced Cu-Cu bonding for ultrahigh-density interconnection: Co passivation bonding with non-oxidation interfaces

X Qi, H Yan, X Yuan, Y Bai, T Suga, C Wang - Applied Surface Science, 2025 - Elsevier
Cu-based hybrid bonding, known for its high density and low latency, is widely applied in big
data throughput scenarios. However, Cu joints are prone to oxidation and perform poorly at …

Current Advances and Outlooks in Hybrid Bonding

JH Lau - IEEE Transactions on Components, Packaging and …, 2025 - ieeexplore.ieee.org
In this study, the recent advances and trends of Cu–Cu hybrid bonding (HB) will be
investigated. Emphasis is placed on the design, materials, process, fabrications, reliability …

300 nm Pitch W2W HBI for CFET and 3D DRAM Through Module Co-optimization

T Sherwood, R Patlolla, D McIntyre… - 2024 IEEE 74th …, 2024 - ieeexplore.ieee.org
We demonstrate, for the first time, robust 300nm pitch W2W hybrid bonding for advance logic
(CFETs, Logic-SRAM stacking) and memory roadmap products (3D-NAND, 3D-DRAM) …

Simulation of Bulge-Out Mechanism Enabling Sub-0.5 μm Scaling of Hybrid Wafer-to-Wafer Bonding

J De Messemaeker, K Van Sever… - 2024 IEEE 74th …, 2024 - ieeexplore.ieee.org
For wafer-to-wafer Cu/SiCN hybrid bonding with unequal sized pads it was previously
reported that a diffusion based" bulge-out" mechanism mitigates the drastic decrease in …

Novel Low Thermal Budget Bonding Using Single Wafer Thermal Processing System, Resulting in Excellent Wafer-to-Wafer Hybrid Bonding at sub-0.5 um Pitch

M Gorchichko, S Sharma, B Ng… - 2024 IEEE 74th …, 2024 - ieeexplore.ieee.org
We report on a reduced thermal budget for hybrid bonding anneal using a single wafer
thermal processing system (TPS). Robust bonding with excellent Cu gap closure and grain …