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2021-11-06
The PCB board cleaning method of blind hole board is electric brush cleaning, which is composed of a long rotating brush placed horizontally in contact with […]
2021-11-06
When the small relay on the PCB frequently disconnects the large current, arc discharge will occur, which will cause strong electromagnetic interference, which not only affects […]
2021-11-05
With the rapid development of modern science and technology, our lives are increasingly inseparable from a variety of electronic products. Many curious friends like to take […]
2021-11-05
The most commonly used material for printed circuit boards in metallized hole circuit board factories is epoxy-glass cloth. Its dimensional stability is suitable for high-density circuit […]
