source:Industry News release time:2021-12-13 Article author:sznbone Popular:pcb
Definition of green oil circuit board: As the name suggests, when we get a PCB board, we can see the color of the oil on the board most intuitively, which is the PCB color we generally refer to. Common colors include green, blue, red, black, etc. . Reasons for the widespread use of green oil circuit boards. Most of the printed circuit boards use green because green is less irritating to the eyes. When the production and maintenance personnel stare at the PCB board for a long time, the eyes are not easy to be fatigued and the eyes are less harmful. There are also colors of yellow, black, red, all colors are a layer of solder mask printed on the surface after manufacturing.
There is another reason, because the commonly used color is green, so the factory spares the most green paint, so the cost of oil is relatively low. And because when repairing PCB boards, different wiring is easier to distinguish from white, while black and white are relatively difficult to see. In order to distinguish its own product level, each factory uses two colors to distinguish high-end series. And low-end series, such as Asus, a company that makes computer motherboards, the yellow board is the low-end, and the blackboard is the high-end. Biostar's blue boards are high-end, and green boards are low-end. So far, only black oil manufacturing costs will be higher than other color PCBs, but it is not that the electrical performance of black PCBs is better, but in production, black PCBs have the highest difficulty for holes, so the yield rate is relatively higher than other colors. The color PCB board should be lower.
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