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Japan-South Korea rift

South Korea's SK mass-produces Japan-grade etching gas

Country steps up effort to build self-sufficient supply chain

Seoul aims to have homemade etching gas meet 70% of domestic demand by 2023.   © Reuters

SEOUL -- South Korea's SK Materials has begun mass production of a crucial chipmaking gas at a purity level nearly on par with Japanese-made offerings subject to export restrictions by Tokyo, the company said Wednesday.

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