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Japanese glass material leaders AGC and HOYA target $2.5 billion glass interposer market for AI chiplets
Sunday, March 29, 2026 at 09:34 AM
As chiplets become the standard for generative AI GPUs, the market for glass interposers is projected to grow from $1.2 billion in 2024 to $2.5 billion by 2033. Japanese companies including AGC and HOYA are forming consortiums to lead development in glass materials, processing, and plating, though TSMC is exploring alternative technologies.
Context
Japanese material giants AGC and HOYA are positioning themselves to lead the emerging glass interposer market, which is projected to grow from $1.2 billion in 2024 to $2.5 billion by 2033. As AI chiplets become the industry standard, the demand for high-performance interposers to connect multiple dies has shifted focus from silicon to glass. Glass offer significant advantages, including a 2.6x reduction in area and a 17.72% reduction in full-chip power consumption compared to silicon. This shift is critical as TSMC and Samsung race to develop next-generation 2.5D and 3D packaging solutions for Nvidia and AMD.
A Japanese consortium featuring AGC, HOYA, and Nippon Steel has formed to secure a dominant position in the value chain. While Japan currently leads in material development, the industry faces competition from TSMC’s proprietary silicon-based roadmaps and Samsung’s internal glass prototyping. Strategic analyst Bora Han noted that "TSMC’s negative stance on glass semiconductor substrates stems from concerns that its market monopoly could be undermined," suggesting a brewing geopolitical and corporate rivalry over the future of AI hardware architecture.
Sources (16)
Maximize the Value We DeliverPROSPECTUSNippon Steel Chemical Co., Ltd.Nippon Steel 2030 Medium- to Long-term Management PlanIs the memory chip "super cycle" really coming?This new Japanese consortium wants to develop a novel method for making the next generation of interposer layers for multi-chiplet mega-processors | PC Gamer[News] Samsung Reportedly Eyes Glass Interposers by 2028, Speeds up Prototyping with Smaller PanelsGlass Interposers Market Poised for Strong Growth as Advanced Semiconductor Packaging and High-Performance Computing Demand Accelerates: Verified Market Research®
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