Wave Soldering Explained in 30 Seconds Wave soldering is a process to create strong electrical connections on circuit boards. As the board passes over a wave of molten solder, surface tension plays a key role, helping the liquid solder cling to exposed metal pads and component leads without spilling over onto unintended areas. Heat conduction ensures the solder melts and flows smoothly, while capillary action helps it wick into tight gaps between the components and the board. #science #facts #ph

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