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Unlock the Secrets on the PCB Boards

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For PCB, now it is widely used in many fields, but do you really know PCB? Here I introduce you to the small knowledge about PCB. If the different colors of the PCB affect its performance, whether there is any difference between gold plating and silver plating on the PCB; the following will explain each one.

For PCB, there are various kinds of colors for choice, the electronic hobbyists can choose as they like. The most common colors of PCB are green blue, black, red, purple, white and yellow. And some PCB manufacturers also can supply Pink. It is really very beautiful color.

In the traditional impression, the black seems to be positioned at the high end; we know that both sides of the PCB are copper layers. In the production of PCBs, the copper layer is manufactured by addition or subtraction, and finally a smooth and unprotected surface is obtained. Although the chemical properties of copper are not as active as aluminum, iron, magnesium, etc., in the presence of water, pure copper and oxygen are easily oxidized; because of the presence of oxygen and water vapor in the air, the surface of pure copper is in contact with air. The oxidation reaction will occur soon. Since the thickness of the copper layer in the PCB is very thin, the oxidized copper will become a poor conductor of electricity, which will greatly impair the electrical performance of the entire PCB. Visit Link: https://www.uetpcb.com/blog/181.html