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South Korea struggles to decouple from Japan in key chipmaking materials

Three years after Tokyo imposed export controls, reliance continues

A Samsung chipmaking plant. Adopting homegrown materials would require suspending production lines. (Photo courtesy of Samsung Electronics)

SEOUL -- Nearly three years since Japan imposed export controls on a trio of high-tech materials, South Korea has yet to create domestic supply chains fully independent of Japanese producers.

Outgoing South Korean President Moon Jae-in mentioned the trade frictions fairly early in his roughly 10-minute farewell address on May 9.

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