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Neon Gas (High-Purity) · SUPPLY CHAIN TRACE

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High-purity neon is a critical gas in the argon-fluoride (ArF) excimer lasers that generate the 193nm deep-ultraviolet light used by DUV lithography machines — the workhorses of chip production at 14nm to 5nm nodes. Ukraine historically supplied roughly 70% of the world's semiconductor-grade neon; the 2022 invasion triggered an emergency supply-chain scramble that accelerated diversification toward U.S. and European producers.

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Neon Gas (High-Purity)

High-purity neon for excimer laser gas mixtures in DUV lithography

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~70% historically (Ukraine); now diversifying to US/EU
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