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JSR Corporation · SUPPLY CHAIN TRACE

MATERIALS🇯🇵 JPChokepoint

JSR Corporation is one of Japan's dominant photoresist manufacturers, supplying EUV and ArF immersion resists that are essential for patterning chips at advanced nodes — materials with no viable non-Japanese substitute at scale. In 2023, Japan's government-backed Japan Investment Corporation (JIC) took JSR private, signaling that Tokyo views advanced photoresist as a strategic national asset.

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JSR Corporation

Major EUV and ArF immersion photoresist supplier; taken private by Japan Investment Corporation in 2023

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Chokepoint~20% advanced photoresist
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