Electronics Forum | Thu Dec 12 07:37:13 EST 2002 | davef
Immersion plating appears like electroless, sorta, but is different chemically. Plating is converting metal ions in solution to metal on the board. Those metal ions are "converted" by adding electrons to them. The source of these electrons defines
Electronics Forum | Mon Jul 28 08:54:52 EDT 2003 | davef
You are 100% correctomundo about ENIG. When it's good it's good, BUT when it's bad, you just want something else. You know you have black pad, when you see parts falling from the board. First, there is not perfect solderability protection. Second
Electronics Forum | Thu Aug 31 18:59:55 EDT 2000 | Brian W.
Our customers use OSP, HASL, immersion tin and immersion gold as board finishes. If I recommend a finish to the customer, it is one of the immersion finishes or OSP. Those finishes have the advantage of a flat surface to deposit paste. HASL has va
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