Pcb dendrite2/18/2024 If these residues are left on the board, major issues, like Electrochemical Migration (ECM), corroded traces, parasitic leakages, and dendritic growth, can hamper the PCB’s life-cycle. In the production house, bare boards can carry ionic contaminants in the form of left-over flux, etching chemical, and solder material. The occurrence of ionic contamination on PCB assembly can inhibit its performance. Before placing components over the bare board, you need to ensure that no contaminant is left from the previous production step.
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