小小的人造钻石，卡住美国芯片命脉？

Core Insights - The recent announcement by China to strictly limit the export of synthetic diamonds smaller than 50 micrometers starting from November 8 has caused significant concern in the United States [1] Group 1 - The restriction on synthetic diamond exports is seen as a strategic move, potentially impacting various industries that rely on these materials [1] - The U.S. is particularly alarmed by this development, indicating the importance of synthetic diamonds in global supply chains [1] - The article suggests that synthetic diamonds may become a more critical resource than rare earth elements, highlighting their growing significance in technology and manufacturing [1]