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　　　　Multilayer PCB boards are strongly recommended for rapid PCB design. First of all, the inner layer of the multi-layer PCB

　　Power integrity problems are mainly caused by unreasonable design of decoupling capacitors, serious loop effects, poor segm

　　　　HDI board (English is high-density interconnectboard) is a circuit board with high wiring density in micro blind via tech

　　High-density HDI circuit boards are mainly concentrated in 4-layer or 6-layer boards, which are interconnected according to

　　　　First, the process factors of the soft and hard board factory:　　1. The circuit design of the flexible and rigid board is

　　　　The impedance of the PCB multilayer circuit board refers to the parameters of resistance and reactance, which hinder the