What’s a Solder Mask?

A solder mask prevents molten lead from sticking to unintended metals during PCB soldering operations, ensuring no unintentional shorts are created. Chemical reactions are important for manufacturing PCBs, including using an acid mask to define electrical traces and a solder mask to expose only connection points. Mass production uses solder mask films, and wave soldering […]

What’s a solder wick?

Solder wick is a copper braid used by electronics repair technicians to remove unwanted solder. It comes in standard and fluxed types and must be disposed of as hazardous waste. Experienced technicians use it with a desoldering tool to offset the expense and cleanly remove residue. Common problems include old copper braid, too little heat, […]

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