Key components produced by a leading Taiwanese chipmaker were found in a powerful AI chip from a Chinese company, according to an initial report from a semiconductor research firm, which experts say could violate U.S. export controls. U.S. officials have been briefed on the research, according to a source familiar with the issue who requested anonymity to discuss private matters. The research details a breakdown of an AI chip produced for the Chinese company Enflame. After it took the Enflame