Samsung and SK Hynix, the world’s leading memory chipmakers, have stopped selling used chipmaking equipment for fear of falling foul of US export controls on China and western sanctions on Russia.
The South Korean companies have been storing used machines in warehouses instead of putting them on the secondary market, three traders of second-hand chipmaking tools told the Financial Times.
“We are worried it [the equipment] could fall into the wrong hands, and that this could cause problems in our relations with the US government,” said a person close to one chipmaker.
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