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Hot Chips 2026: SK hynix pushes hybrid bonding HBM5 as AI memory hits 775-micron ceiling Published 24 August 26
At the Hot Chips 2026 event, SK hynix highlighted the limitations of current AI memory technologies, stating that hybrid bonding won't be ready for HBM4E due to the constraints imposed by reaching the 775-micron ceiling. This development signifies a critical juncture in the semiconductor industry as it attempts to enhance memory performance for AI applications. The future iterations of high-bandwidth memory will rely heavily on overcoming these obstacles to meet growing demands.
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Published 24 Aug 2026, 18:45 UTC1 min read
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Summary
TL;DR
- SK hynix presented at Hot Chips 2026 about memory technology advancements.
- The company reported AI memory hitting a ceiling at 775 microns.
- Hybrid bonding for HBM5 may not be viable for HBM4E.
- Challenges in memory performance pose concerns for AI applications.
- The semiconductor industry faces critical technological barriers.
Interesting facts
- Hybrid bonding technology is essential for next generation memory architectures.
- The 775-micron ceiling could significantly hinder AI memory advancements.