PATT CIRCUITS, Half hole PCB manufacturer in China, Half plated hole PCB manufacturer.Castellation plating PCB
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After the conventional half hole PCB circuit board is produced, there will be copper scraps on both sides of the half hole, and the copper scraps will be rolled into the inside of the half hole. Half-hole PCB boards are usually used as daughter PCB. The function of half-holes is to solder the half-hole daughter PCB to the main PCB by tinning the half-holes in the PCBA process. Copper shavings will directly affect tin filling, and then affect the soldering firmness of the daughter PCB on the main PCB, and affect the appearance and performance of the whole machine.
