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2020-12-31
Specification of PCB control 1. PCB unpacking and storage (1) PCB board seal can be directly put into use within 2 months after it has not […]
2020-12-30
For the vast majority of electronic components, they are polar or pins cannot be missoldered. For example, the electrolytic capacitor once welded backward, will explode when […]
2020-12-29
Negative process of PCB circuit board: Generally speaking, it is the tenting process. The liquid used in this process is acid etching negative because after the […]
2020-12-28
There are signs of growth in almost all of the world’s dominant industries. One of them is the upgrade of mobile technology. Many recent innovations, such […]
