Henry,

Never seen it. I'd like to see if you can post some pics on the cross-section.

Andy

Quoting henry rekers <[log in to unmask]>:

> Any technetters out there experiencing this mysterious nickel   
> erosion process with enig boards on their leadfree waves?    
> Apparently there is a committee set up already.  I would like to   
> share experiences if anyone is willing to come forward.
>  
> Essentially, the defect shows up as a dewet on the annular ring of   
> the TH devices.  On cross section, there is large amounts of nickel   
> eroded away and the surface is non-wettable.  No corrosion is   
> evident, so it's NOT black pad.
>  
> Anybody?
>
>
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