It has been seen from different resources that green is known as the most favorite color for printed circuit boards. Red solder mask is typically used in precision devices, including an oscilloscope, analog resources, and bench multi-meter.
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The primary purpose of using a red PCB color code is to identify any particular part present in group assembly. Red PCB color code is usually used for making the board look different from other boards. It is used to avoid any distraction caused within the system. You will see a blue solder mask generally used in LCDs. You will find white PCB color codes in most LED applications. Conductive layers are formed across the traces of PCB, but it can be used as a protective shield for isolating the signals coming from different external noises.īlack solder mask made from cobalt mixture is expensive too. This type of solder mask is conductive because of the presence of carbon. Cobalt and carbon, when mixed, produce a black solder mask. It has been seen that there are different types of solder mask colors. It is to be noted that solder masks with clear transparency tend to have high resolution. For example, green PCB resolution is matched using red and blue colors like the yellow and black color with significantly less resolution. However, with the use of different PCB colors, the board resolution will be other. The colors of solder masks do not create any impact or effect on the performance of PCB.
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For example, the motherboards of PC are still fabricated in green epoxy. Different modern PCB types have adopted specific colors. The colors of PCBs are commonly referred to as PCB color codes. The variety of colors used for fabricating PCBs includes white, blue, black, yellow, red, etc. The choice of contrasting color types also has the advantage of identifying meetings that are lead–free. Using different colors will help prevent various types of mistakes in a mixed assembly that may occur.You need to note that assembly equipment is significant by transmission properties, absorbance, and light reflectance. Using colors other than green will produce brightness or contract.
Using different colors of PCB gives an obvious indicator of the revision changes to make users aware.The following are some reasons for choosing different colored PCB other than green: In recent years the use of other colors instead of green PCBs is on the increase was driven by most of the assemblers. However, with the advent of much innovation and technological advancement, the color of PCBs is now changing. The standard color of printed circuit boards is the green solder mask. There are different types of colors available for PCB boards. One of the main applications of the solder mask is prevention against the short-circuiting of the circuit board. Made from glass – epoxy, the finishing color of PCB is representing the solder mask. It consists of lacquer impregnated with pigments that are known for protecting the traces of bare copper. The color of PCB defines the color of the solder oil or solder mask.
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