How to judge the quality of multi-layer PCB circuit boards from PCB color. Today, Jingke Yulon will explain to you how the color of the PCB affects its performance. How should we judge the quality of multi-layer PCB circuit boards.
First of all, as a printed circuit board, PCB mainly provides the interconnection between electronic components. There is no direct relationship between color and performance, and the difference in pigment does not have much impact on electrical performance. However, whether the performance of the PCB board is bad or not is determined by factors such as the material used (high Q value), the wiring design and the number of layers of the board. In the process of washing PCB, black is the most likely to cause color difference. If the raw materials and manufacturing process used by the PCB factory are slightly deviated, the PCB defect rate will increase due to color difference. This directly leads to an increase in production costs.
In fact, the raw materials of PCB are everywhere in our daily life, that is, glass fiber and resin. The glass fiber is combined with the resin, hardened, and becomes a heat-insulating, insulating, and not easy to bend board, which is the PCB substrate. Of course, the PCB substrate composed of glass fiber and resin alone cannot conduct signals, so on the PCB substrate, the manufacturer will cover the surface with a layer of copper, so the PCB substrate can also be called a copper-clad substrate.
First of all, as a printed circuit board, PCB mainly provides the interconnection between electronic components. There is no direct relationship between color and performance, and the difference in pigment does not have much impact on electrical performance. However, whether the performance of the PCB board is bad or not is determined by factors such as the material used (high Q value), the wiring design and the number of layers of the board. In the process of washing PCB, black is the most likely to cause color difference. If the raw materials and manufacturing process used by the PCB factory are slightly deviated, the PCB defect rate will increase due to color difference. This directly leads to an increase in production costs.
In fact, the raw materials of PCB are everywhere in our daily life, that is, glass fiber and resin. The glass fiber is combined with the resin, hardened, and becomes a heat-insulating, insulating, and not easy to bend board, which is the PCB substrate. Of course, the PCB substrate composed of glass fiber and resin alone cannot conduct signals, so on the PCB substrate, the manufacturer will cover the surface with a layer of copper, so the PCB substrate can also be called a copper-clad substrate.
