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Trump blocks Emcore's chip deal with HieFo, citing national security concerns

( January 3, 2026, 05:41 GMT | Official Statement) -- US President Donald Trump Friday issued an order blocking HieFo Corp. from acquiring semiconductor-related assets from Emcore Corp. The order requiring divestment of the assets cited national security concerns. The Committee on Foreign Investment in the US reviewed the transaction under Section 721 of the 1950 Defense Production Act, according to a Treasury Department statement, and identified risks "relating to potential access to EMCORE’s intellectual property, proprietary know-how, and expertise and to the potential diversion of supply of indium phosphide chips manufactured by the EMCORE Digital Chips Business away from the United States."Statement and text of the order follow:...

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