Susan:
Don't have an answer, but someone out there probably does. Is this a high
frequency/controlled impedance application? If so will the metallic interface have an
effect on the characteristic impedance or cause reflections?
Don Vischulis
[log in to unmask][log in to unmask] wrote:
> I just looked at a product where the manufacturer has managed to
> overplate nickel/gold with copper. This occurs on the surface conductors
> and also in holes.
>
> I have looked in the design and board documents, but cannot find anything
> that addresses the reliability of such a condition. I know putting a
> "meltable"
> material between layers of copper can wreak havoc, but what about
> ni/au?
>
> Susan Mansilla
> Robisan Lab
>
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