Background
The burgeoning demands of Artificial Intelligence (AI) and High-Performance Computing (HPC) have driven an unprecedented need for increased integration density and computational power in semiconductor devices. This rapid evolution places increasingly stringent thermal and mechanical performance requirements on packaging materials. Traditional epoxy molding compounds (EMCs) frequently encounter significant challenges such as thermal-induced warpage and mechanical stress, particularly in large-die and complex multi-chip stacked architectures. Leveraging its deep expertise in advanced material science, Henkel has developed a critical solution designed to overcome these fundamental packaging hurdles, thereby enabling the next generation of semiconductor technologies.
Key Findings
Henkel has announced the launch of a novel epoxy molding compound (EMC) engineered specifically for high-performance AI and HPC processors. This groundbreaking material is characterized by its ultra-low warpage properties and superior thermal stability, which are critical for significantly enhancing the reliability and manufacturing yield of advanced packaging architectures, particularly those incorporating large dies and complex chiplet configurations.
Technical Details
- Ultra-Low Warpage: For advanced semiconductor packaging, especially in large AI processors and HPC chips, thermally induced package warpage poses a significant challenge. Henkel’s innovative EMC drastically minimizes this warpage, effectively mitigating the risks of critical defects such as cracks and delamination during critical manufacturing processes like die attach and subsequent thermal cycling, thus ensuring long-term device reliability.
- Enhanced Thermal Stability: The intensive data processing inherent in AI processors generates substantial thermal loads. This new EMC maintains its structural integrity and functional performance even under extreme operating temperatures, preventing material degradation and ensuring stable, reliable operation of these high-power devices throughout their operational lifespan.
- Advanced Packaging Compatibility: The material is engineered to robustly encapsulate and protect the intricate internal structures characteristic of complex advanced packaging schemes, including chiplet integration, 2.5D, and 3D stacking. By significantly reducing internal mechanical stress and simultaneously enhancing adhesion strength between the encapsulated chips and their substrates, the EMC contributes to improved manufacturing yield and extends the overall operational lifespan of advanced semiconductor devices.
Strategic Significance & Outlook
This novel EMC is strategically positioned for rapid adoption in mission-critical applications demanding stringent thermal management and exceptional reliability, including AI accelerators, data center processors, and high-performance Graphics Processing Units (GPUs). Henkel aims to catalyze further technological innovation across the semiconductor industry, directly contributing to the development of increasingly powerful and dependable electronic devices. Future research and development efforts may concentrate on achieving even lower coefficients of thermal expansion (CTE) and further enhancing overall heat dissipation capabilities to continuously meet and anticipate evolving industry requirements.
Source: https://www.henkel.com/press/2026/low-warpage-emc-ai
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