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　　　　Generally speaking, PCB circuit board design is based on the circuit schematic diagram, which is used to achieve the purp

　　　　With the rapid development of science and technology, more and more high-tech is gradually integrated into people's l

　　　　The definition of a PCB impedance board is that a good laminated structure can control the characteristic impedance of th

　　　　1. CAM optimization　　Generally speaking, in order to obtain high-quality multi-layer circuit board proofing, it is necess

　　　　1. Because the crystal structures formed by immersion gold and gold plating are different, immersion gold will be more go

　　　　1. If the circuit board is heated unevenly, last in first out, the defect of PCB board bending is prone to occur;　　2. Whe