ENIG, Plated Gold, DIG, Thick Gold, Thin Gold—What’s the Difference?
Gold Surface Finishes for Hardware, RF, PCB & Microassembly Engineers Gold surface finishes can be extremely confusing:ENIG, plating gold, nickel-gold, immersion gold, thick gold, thin gold, palladium-gold, DIG…One tiny difference in name leads to huge gaps in cost, reliability, high-frequency performance, solderability, and bondability. I will break down every finish clearly:Name → Structure → Process […]