从一枚芯片制造流程看如何植入“后门”

Group 1 - The article discusses the U.S. government's strategy to implant tracking devices in advanced chips to prevent their transfer to China, highlighting a method of embedding "backdoors" in chip manufacturing processes [2] - The concept of "on-chip governance mechanism" proposed by the U.S. includes a "tracking and positioning" function for chips, which is identified as a form of "backdoor" implantation [2] - Chip industry professionals explain the process of how these "backdoors" can be integrated into the manufacturing workflow of chips [2]