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DigiTimes
TSMC CoWoS shortage drives SK Hynix-Intel 2.5D push
TSMC's CoWoS (Chip-on-Wafer-on-Substrate) packaging capacity is under strain due to surging demand from AI accelerators. This shortage is reportedly driving SK Hynix, a key supplier of HBM memory, to collaborate with Intel on 2.5D advanced packaging as an alternative source. Intel possesses its own advanced packaging technologies (e.g., Foveros, EMIB) but has primarily used them internally. If the partnership materializes, it could provide Intel with a significant foundry packaging revenue stream while giving SK Hynix a second source to mitigate supply risks. This development has broader implications for the AI hardware ecosystem: diversification of the packaging supply chain could reduce dependence on TSMC, potentially easing bottlenecks for GPU production. However, Intel's ability to scale its packaging capacity and match TSMC's reliability remains unproven, making the outcome uncertain.
MonitorConfidence: MediumMid term horizonExecution risk: High
Published 12 May 2026, 10:23 UTC1 min read
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Summary
TL;DR
- TSMC's CoWoS capacity is constrained by AI chip demand.
- SK Hynix is reportedly seeking Intel as an alternative packaging partner.
- Intel's advanced packaging technologies could gain external customers.
- The move aims to diversify the supply chain for AI accelerators.
- This could reduce single-supplier dependency on TSMC.
Interesting facts
- SK Hynix, primarily a memory maker, is expanding into packaging collaboration to secure its HBM supply chain.
- Intel's packaging has been mostly internal; external partnerships could open new revenue streams.
- The news highlights that even leading foundries face bottlenecks, prompting ecosystem-level diversification.