Printed circuit board, finished circuit board and welding method
A technology of printed circuit boards and circuit boards, applied in the direction of printed circuits, printed circuit manufacturing, printed circuit components, etc., can solve problems such as poor welding, and achieve the effect of solving poor welding
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[0040] figure 1 The structural representation of the printed circuit board provided by the present invention, figure 2 A schematic diagram of the composition and structure of the printed circuit board provided by the present invention, image 3 The structural representation of the finished circuit board provided by the present invention, Figure 4 It is a schematic diagram of the soldering positions of two electronic devices on the finished circuit board provided by the present invention.
[0041] Such as Figure 1-4 As shown, a printed circuit board provided by the present invention includes a circuit board body 100 and at least one composite pad 110 located on the circuit board body 100. The composite pad 110 has a slit 120 to divide the composite pad 110 into The first soldering portion 111 and the second soldering portion 112 are connected to each other; the gap 120 is covered with a soldering resist 121; The window 131 corresponding to the second welding portion 112 ...
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