Beihang University

A Novel Authentication Methodology to Detect Counterfeit PCB Using PCB Trace-Based Ring Oscillator

Oct 12, 2021 | Dongrong Zhang, Qiang Ren, Donglin Su

The existence of counterfeit products, e.g., integrated circuits (ICs) and printed circuit boards (PCBs), in the modern semiconductor supply chain has seriously jeopardized the security and reliability of electronic systems, and has also caused the loss of suppliers' profit and reputation. Most of existing research papers prevent or detect counterfeit IC and PCB substrate separately, without testing the PCB as a whole, and often require the assistance of external equipment. In this article, a novel ring oscillator- based PCB authentication (ROPA) methodology to detect counterfeit PCB through supply chain is proposed, which ......

Study on Real-Time Test Script in Automated Test Equipment

Mar 24, 2021 | Chongwu Jiang, Bin Liu, Yongfeng Yin, Chang Liu

In this article we propose a generic test script for real=time embedded software system testing, which has been applied to ATE (Automated Test Equipment). After a summary of the theory about embedded software automated test based on test script, the design philosophy and implementation details are described. We have chosen an ATE and integrated python interpreter into it....