TSMC Taps Amkor for 10-Year Packaging Deal Amid Supply Crunch; Intel's EMIB Gains Traction as Viable Alternative

The demand for advanced packaging essential for AI chips has significantly outpaced supply, creating a major bottleneck in the industry, with TSMC's CoWoS technology at the center.

To manage this shortage, TSMC is expanding its own capacity and has begun outsourcing production to partners like Amkor through a new 10-year agreement.

This supply crunch has created a significant opportunity for competitors, with Intel's EMIB technology emerging as a credible alternative for major tech companies looking to diversify their supply chains.

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The single biggest bottleneck in building powerful AI systems today isn't the chip design itself, but how it's packaged.

At the heart of this challenge is TSMC, the world's leading chip manufacturer, and its cutting-edge CoWoS packaging technology. This technology allows companies like Nvidia to stack powerful processors and high-bandwidth memory (HBM) together into a single, massive AI accelerator. The problem is, demand has exploded over the past two years, and TSMC simply can't produce enough to satisfy everyone. This scarcity has become the central issue shaping the entire AI hardware industry.

In response, TSMC is pursuing a two-pronged strategy to ease this pressure. First, it's aggressively expanding its own production capabilities, developing next-generation technologies like CoPoS (a panel-level version) and pushing the limits of CoWoS to accommodate even larger designs. However, building new facilities takes time. So, for more immediate relief, TSMC is turning to outsourcing. The recent 10-year deal with OSAT giant Amkor is a prime example, securing a reliable partner to handle some of the packaging workload, particularly for its new fabs in the U.S.

This persistent supply crunch has opened a critical window of opportunity for TSMC's rivals, most notably Intel. For years, Intel's advanced packaging technology, EMIB, was primarily used for its own products. But with major AI players like Google, Amazon, and even memory maker SK hynix desperate for capacity, they are now actively testing and engaging with Intel. This shift transforms EMIB from an internal tool into a plausible commercial alternative to CoWoS. Intel's recent hiring of SK hynix's former CEO to lead its packaging division further signals its serious intent to capture this market.

Ultimately, the dynamic in the advanced packaging market is changing. It's no longer just a competition over who has the most advanced technology. Now, available capacity is playing an equally important role. This shift is giving customers more bargaining power and forcing a diversification of the supply chain, creating a more competitive and resilient ecosystem for the future of AI.

CoWoS (Chip-on-Wafer-on-Substrate): TSMC's industry-leading technology for packaging multiple chips together to create a single, powerful processor. It is essential for high-performance AI accelerators.
EMIB (Embedded Multi-die Interconnect Bridge): Intel's competing advanced packaging technology that connects different chips within a package using a small silicon bridge. It is emerging as a key alternative to CoWoS.
OSAT (Outsourced Semiconductor Assembly and Test): Companies like Amkor that specialize in the packaging and testing of semiconductors for other firms.

TSMC Taps Amkor for 10-Year Packaging Deal Amid Supply Crunch; Intel's EMIB Gains Traction as Viable Alternative

The demand for advanced packaging essential for AI chips has significantly outpaced supply, creating a major bottleneck in the industry, with TSMC's CoWoS technology at the center.

To manage this shortage, TSMC is expanding its own capacity and has begun outsourcing production to partners like Amkor through a new 10-year agreement.

AMKR.KSINTC.KSASX.KSTSM.KS000660.KS

The single biggest bottleneck in building powerful AI systems today isn't the chip design itself, but how it's packaged.

CoWoS (Chip-on-Wafer-on-Substrate): TSMC's industry-leading technology for packaging multiple chips together to create a single, powerful processor. It is essential for high-performance AI accelerators.
EMIB (Embedded Multi-die Interconnect Bridge): Intel's competing advanced packaging technology that connects different chips within a package using a small silicon bridge. It is emerging as a key alternative to CoWoS.
OSAT (Outsourced Semiconductor Assembly and Test): Companies like Amkor that specialize in the packaging and testing of semiconductors for other firms.