What to Pay Attention to When Using Solder Mask Ink?
In the PCB manufacturing process, the role of the solder mask is to protect the copper foil from being exposed to the outside. Coat a permanent protective film on the surface of the PCB to selectively shield the wires so that the graphics are not damaged and there will be no short circuit occurs during solder mask. There are many problems when using solder mask ink. Do you know what to pay attention to when using solder mask ink?