Japanese Chemical Giant Monopolizes E-beam Source Material, Creating Key Chokepoint for China

PAstynome · x · 2026-08-08

Denka, a diversified Japanese chemical company, holds a virtual monopoly in electron sources for electron microscopes, semiconductor metrology tools, and electron beam lithography systems. Although it is a very small and niche market, it serves as a critical chokepoint for China's semiconductor supply chain.

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