Dora Yang, a technical engineer for PCBCart.com since 2010, specializes in electronic design, PCB manufacturing, surface finish and substrate material. She obtained her Bachelor's degree from China University of Petroleum and a Master's from Zhejiang University. Although she has worked on present position for only six years, Dora took time on electronics design study, especially PCB design research. She has written a large number of technical articles based on her research, most of which are published on PCBCart.com.