TOK expands Koriyama photoresist capacity as AI chip demand rises

DIGITIMESOctober 14, 2026en

Japanese semiconductor materials giant TOK is expanding its production footprint in Koriyama, Fukushima Prefecture, to strengthen its position in the global semiconductor materials market, particularly photoresists. The company announced on October 8 that a new facility at its Koriyama plant had been completed and that it plans to expand the site further.

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