特朗普叫停一项芯片交易！

Core Viewpoint - The article discusses the recent halt of HieFo Corp's acquisition of Emcore due to national security concerns raised by the U.S. government, highlighting the ongoing tensions surrounding Chinese investments in U.S. technology companies [2][4]. Group 1: Acquisition Details - HieFo Corp attempted to acquire Emcore's assets valued at $3 million, which includes digital chip and semiconductor manufacturing operations [2][4]. - The U.S. Treasury Department indicated that the acquisition posed national security risks, particularly regarding the potential transfer of proprietary technology and intellectual property from Emcore [4]. Group 2: Company Background - HieFo was co-founded by Genzhao Zhang and Harry Moore, focusing on the semiconductor industry with over 40 years of experience in indium phosphide chip innovation [5]. - Emcore specializes in producing navigation devices for commercial, industrial, and defense applications, including gyroscopes and sensors [5]. Group 3: Regulatory Actions - The U.S. government mandated HieFo to divest all rights and interests in Emcore within 180 days and restricted access to Emcore's technical information [4]. - HieFo stated that the acquisition would allow Emcore's facility in Alhambra, California, to continue operations and that key personnel had been retained [4].