TAIPEI/SEOUL -- Top chipmakers in Taiwan and South Korea are closely reviewing their stockpiles of critical industrial gases after Russia's invasion of Ukraine sparked fears of supply disruption that could exacerbate a global chip shortage.
TSMC, UMC and SK Hynix among those reviewing stockpiles and sources

Russia and Ukraine are major suppliers of industrial gases used in chipmaking. (Source photos by Reuters and TSMC)
TAIPEI/SEOUL -- Top chipmakers in Taiwan and South Korea are closely reviewing their stockpiles of critical industrial gases after Russia's invasion of Ukraine sparked fears of supply disruption that could exacerbate a global chip shortage.