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Glass Substrate Race Heats Up… Intel Targets 'Technology Standard,' Samsung Electro-Mechanics Pursues 'Customer Wins' The commercialization race for glass substrates—widely regarded as a game changer in next-generation semiconductor packaging—has moved beyond the technology announcement phase into genuine mass-production preparation. Surging demand for high-performance AI chips has exposed the physical limits of conventional FC-BGA substrates, elevating glass substrates as a key alternative thanks to their superior thermal stability and fine-pitch wiring capabilities. Market attention is now shifting from the technology competition itself toward production timelines and monetization potential. According to industry sources on April 10, Intel has positioned glass substrates as a core next-generation packaging technology and is moving to seize first-mover advantage. With over a decade of R&D, Intel has invested more than $1 billion in R&D and pilot infrastructure at its Chandler, Arizona facility. The crux of Intel's technology lies in combining its proprietary advanced packaging solution, EMIB (Embedded Multi-die Interconnect Bridge), with next-generation substrate technology. EMIB is an interconnect technology that links heterogeneous dies at high speed; it has already been applied in select high-performance products, demonstrating proven scalability. Glass substrates enable finer wiring and larger-area packaging compared to conventional materials, providing a foundation for further expanding chip-to-chip interconnect architectures. This would allow CPUs, GPUs, HBM, and other heterogeneous dies to be integrated as a single system, with expected benefits including faster data movement, reduced power loss, and improved AI compute efficiency. Building on these packaging and substrate innovations, Intel has laid out a roadmap targeting one trillion transistors per package by 2030, setting the directional framework for next-generation packaging architectures. Notably, Intel's ambition extends beyond mere technological superiority to standard-setting. If glass-substrate-based architectures become the backbone of next-generation packaging, Intel's design and interconnect methodologies could solidify as de facto industry standards. This would effectively let Intel dictate specifications across the foundry and packaging ecosystem—a strategy interpreted as an effort to secure structural dominance in the AI semiconductor market. That said, the technology remains at the implementation and reliability validation stage; the industry broadly expects stable high-volume manufacturing no earlier than 2027. While Intel is credited with leading on both technology and ecosystem development, the actual commercialization race is widely seen as just beginning. Samsung Electro-Mechanics is accelerating a "customer traction" strategy alongside the technology competition. Industry sources indicate that Samsung Electro-Mechanics has recently supplied glass substrate samples to Apple in addition to Broadcom, entering the qualification lines of major global big-tech firms. The company is producing prototypes through a pilot line at its Sejong facility, targeting trial production this year followed by mass production after 2027. Where Intel leads with technology direction and ecosystem building, Samsung Electro-Mechanics aims to lock in key customer touchpoints—such as Apple—to capture commercialization wins first. Absolics, a subsidiary of SKC, is considered the fastest mover on production infrastructure. It has established a dedicated manufacturing base in Georgia, USA, and SKC plans to allocate approximately KRW 590 billion out of roughly KRW 1 trillion raised through a rights offering toward product development and process stabilization. However, challenges remain around global customer qualification and achieving economically viable yields, and the pace of commercialization has turned somewhat more cautious relative to market expectations. Even with facilities in place, actual competitiveness is expected to hinge on process maturity and yield levels. LG Innotek is taking a measured approach, monitoring market demand while strengthening its fundamentals. The company is bolstering core technologies through a partnership with glass precision-processing firm UTI, while building a pilot production line at a domestic facility. CEO Moon Hyuk-soo indicated a mass-production target of 2028 while noting that full-scale market demand may not materialize until around 2030—a stance interpreted as prioritizing technology readiness and market timing over an aggressive sprint. An industry executive commented: "The glass substrate market is moving beyond R&D into a 'production competition' phase, where dominance will go to companies that can generate real revenue at stable yields. The true inflection point will come when companies clear the rigorous qualification processes of global customers and begin actual supply."