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2021-12-17
It refers to the parameters of resistance and reactance in the PCB board. It mainly hinders the alternating current. In the production process of the circuit […]
2021-12-16
According to the current situation, lead-free environmental protection is the topic that PCB and PCBA manufacturers discuss how to improve the most. It is also […]
2021-12-16
The negative film of the circuit board: the tenting process. The chemical solution used is an acid etching negative film because after the film is made, […]
2021-12-16
In any power supply design, the physical design of the PCB board is the last link. The design method determines electromagnetic interference and power supply stability. […]
