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About this paper
Gourab Datta, Sarah Safura Sharif, Yaser Mike Banad
This critical review analyzes Digital Twin (DT) technology for 3D IC packaging, proposing a unified hybrid architecture that integrates physics-based and data-driven models. It addresses existing reliability and manufacturing challenges by providing a structured framework for real-time monitoring and control, aiming to advance from static digital models to autonomous, self-optimizing systems.
Key insights
- A significant portion (over 80%) of reported "Digital Twins" in 3D IC packaging currently function as Digital Shadows or Models, indicating a need for greater emphasis on closed-loop control and continuous synchronization.
- A robust DT framework for 3D ICs necessitates a strong sensing foundation for real-time measurements and a bi-directional data services layer to effectively couple the physical and virtual entities.
- Hybrid modeling approaches offer the most balanced performance envelope by mitigating the computational latency of physics-based models and the lack of physical compliance in purely data-driven models.
Summary by alphaXiv.
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