Printed circuit board with connecting wires
View Patent ↗A printed circuit board (PCB) includes a substrate, a pad, a plurality of connecting wires and a plurality of separating portions. The pad arranged on at least one surface of the substrate. The plurality of connecting wires increase contact area of the pad and a copper foil around the pad to keep the current of the PCB steady when a lot of current flow through the PCB. The plurality of separating portions located on between the pad and the copper foil around the pad to divide the pad and the copper foil to avoid short-circuit when the copper foil is etched.
1. A printed circuit board (PCB), comprising:
a substrate;
a pad arranged on at least one surface of the substrate;
a plurality of connecting wires and a copper foil positioned around the pad;
a plurality of separating portions disposed between the pad and the copper foil positioned around the pad.
2. The PCB as recited in claim 1 , wherein each of the plurality of separating portions is positioned between two of the connecting wires to separate each of the plurality of connecting wires.
3. The PCB as recited in claim 2 , wherein each of the plurality of separating portions is an etched hollow area between a reference metal layer of the substrate and the pad.
4. The PCB as recited in claim 1 , wherein width of each of the plurality of connecting wires is proportional to width or length of the pad.
5. The PCB as recited in claim 4 , wherein width of each of the plurality of connecting wires is inversely proportional to a number of the connecting wires.