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Why are PCB green?

There are many reasons for choosing custom pcb fabrication, such as a specific color for the PCB substrate-whether it is a brand trademark, or if the pre-production in the system is in one color and the produced circuit board is in another color. In addition, certain colors are easier to see contrast than with the naked eye, which may be an advantage when inspecting printed circuit boards.

However, if lighting is to be used, choosing the white surface of the Ceramic  PCB can help reflect the light. In some cases, this additional control can provide more LED options to optimize the design.

Depending on the application, it may sometimes be necessary to reflect light. In these applications, whitemulit-wiring printed boards are ideal.

White PCBs are usually used in LED light engines or LED lighting systems.

On the other hand, there may be applications that do not want light reflection, such as DJ equipment used in a dark nightclub.

The color of the substrate is just one of the factors to be considered at the stage of the schematic diagram of the PCB design.