epoxy ink. The color is usually white, although other si Balustrade Scari colors are available: yellow, black, blue, red. Screen printing is used to render useful information on the PCB board that can help users during assembly. It is used to mark component values, part numbers, test points, polarity, etc. Screen printing does not influence
of copper on both sides of an insulating board), or multi-layered (outer and inner layers of copper alternating with insulating layers). Among the multi-layer PCBs, the most common are the four-layer ones. The four-layer board has many more routing options in the si Balustrade Scari internal layers compared to the two-layer board, and often part of
and capacitance of the printed circuit board conductors become significant, usually unwanted, circuit elements; rather, they can Balustrade Scari si be used as part of the circuit design, as in distributed element filters, antennas, and fuses, avoiding the need for additional separate components. High Density Interconnect (HDI) PCBs