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The PCB board mainly provides the interconnection between the electronic components. The color is not directly related to its performance. The color difference will not affect the electrical performance. The performance of the circuit board is determined by factors such as the material used, the layout and the number of layers of the board.
However, in the process of making circuit boards, black is particularly easy to cause chromatic aberration. If the raw materials and manufacturing processes used by the circuit board factory are slightly deviated, the defective rate of PCB circuit boards will increase due to the chromatic aberration. This will increase production costs.
The raw material of PCB circuit board is very common in our lives. It is composed of a combination of glass fiber and resin, which is hardened to form a heat-insulating and insulating board that is not easy to bend. This is the circuit board substrate. If the PCB substrate formed by combining glass fiber and resin alone cannot transmit signals, we will cover a layer of copper on the surface, and therefore we also call the PCB substrate a copper-clad circuit board.
Since the circuit traces of the black PCB board are difficult to identify, it will increase the difficulty of repair and debugging in the R&D and after-sales phases. Generally, if there are no RD (R&D) designers with strong skills and a strong maintenance team, it is not Can easily make a black PCB board. It can be said that the use of black PCB board is a brand's confidence in the RD design and post-maintenance team. From the side, it is also a manifestation of the manufacturer's confidence in its own strength.
Based on the above reasons, major manufacturers will carefully consider when choosing PCB board designs for their products. Therefore, most electronic products use red PCB boards, green PCB boards or blue PCB boards. Black PCB boards can only be seen on mid-to-high-end or top flagship products, so it is not a black PCB board. Better than the green PCB, the color is not directly related to the performance of the PCB circuit board
