The second method is to let the designer of the circuit board factory beside a piece of copper foil around the circuit board pad, the attachment area is large, the pad is not easy to fall off, if there is no space around the pad beside the copper foil
Circuit board manufacturing, circuit board design and PCBA processing manufacturers explain the original PCB high-frequency circuit board manufacturing process
Description method is to manufacture the circuit board requires the least tools, manufacturing process is the simplest of a method, but the accuracy is not very high, suitable for beginners.
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