🔍 Executive Summary
- Japanese chemical leader JSR is set to build its first Taiwan-based plant in Yunlin County by 2028, aiming to co-develop and supply critical EUV photoresists directly to TSMC’s advanced nodes.
Strategic Deep-Dive
JSR, the world’s leading producer of high-performance semiconductor photoresists, has announced a significant strategic expansion with the construction of a new manufacturing facility in Yunlin County, Taiwan. This move, expected to materialize into full-scale operations by 2028, marks the first time the Japanese giant will produce its highly sensitive EUV (Extreme Ultraviolet) photoresists directly on Taiwanese soil. The decision is a direct response to the increasing complexity of next-generation lithography.
As nodes shrink toward 2nm and beyond, the chemical properties of photoresists must be precisely tuned to the unique light-source characteristics and throughput speeds of TSMC’s advanced fabs. By establishing a physical presence in close proximity to TSMC’s manufacturing hubs, JSR is adopting an ’embedding’ strategy—essentially integrating its R&D and production cycles with the operational heartbeat of the world’s most advanced foundry. This proximity is critical because EUV photoresists often have a limited shelf life and require specialized handling that is best managed through localized supply chains.
Furthermore, this expansion must be viewed through the lens of the strengthening Japan-Taiwan semiconductor axis. Following the acquisition of JSR by the Japan Investment Corporation (JIC), a state-backed fund, JSR’s strategic moves are increasingly aligned with Japan’s national interest in securing a leading role in the global chip ecosystem. By becoming an indispensable part of the Taiwan-based supply chain, JSR ensures that Japanese material science remains at the core of the world’s most advanced chipmaking, effectively countering the supply chain localization efforts of other nations.
For TSMC, having a Tier-1 supplier like JSR in Yunlin County mitigates geopolitical risks and streamlines the collaborative development of the next generation of resist materials needed for High-NA EUV lithography. This alliance creates a formidable barrier to entry for competitors, as it locks in the material-foundry synergy at a molecular level. In the broader context of the global ‘chip wars,’ the JSR-TSMC partnership in Yunlin serves as a prime example of how the ‘missing links’ in the supply chain are being fortified through localized, high-tech clusters that defy centralized global shipping models in favor of strategic regional integration.



