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How to Judge the PCB Surface Process Through Color?

Posted on November 2, 2021Industry News
How-to-Judge-the-PCB-Surface-Process-Through-Color-1

From the pcb surface, the outer layer of the circuit board mainly has three colors: gold, silver, and light red. It can be seen from the color whether the manufacturer has cut corners. In addition, the internal circuit of the circuit board is mainly pure copper, which is easily oxidized if exposed to the air,…

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