The PIN pin of the solder pin battery is made of nickel plated stainless steel. The stainless steel itself cannot touch tin. The function of nickel plating is to solder the battery PIN pin to the circuit board with tin. However, since nickel plating is barrel plating process, because the battery pads will overlap during electroplating, it will occasionally cause a certain proportion of the battery pads can not be completely plated, and it will also cause the solder pads to bend during electroplating. The following is a comparison of the two processes.
Description of welding pad electroplating process
The PIN pin of the solder pin battery is made of nickel plated stainless steel. The stainless steel itself cannot touch tin. The function of nickel plating is to solder the battery PIN pin to the circuit board with tin. However, since nickel plating is barrel plating process, because the battery pads will overlap during electroplating, it will occasionally cause a certain proportion of the battery pads can not be completely plated, and it will also cause the solder pads to bend during electroplating.
A certain proportion of the welding pads cannot be soldered, and the welding time is long, which requires strict time control. Irregular operation may cause battery damage. A certain proportion of the welding pads are prone to deformation and bending during nickel rolling.
It can ensure that all welding pads are 100% easy to weld, and the welding time is short, so it is easy to weld. The welding pads do not need to be barrel plated, so there will be no deformation and bending.
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