Thanks everyone for the responses; just have to convince my customer now!

----- Reply message -----
From: "Graham Naisbitt" <[log in to unmask]>
Date: Fri, Jul 6, 2012 13:23
Subject: [TN] Copper Dendrites
To: "TechNet E-Mail Forum" <[log in to unmask]>, "Neil Atkinson" <[log in to unmask]>

Hi Neil

I stand by my earlier posting on this. Neither a solder resist nor a conformal coating will PREVENT dendrites, they might delay it for a while, but then what is lurking and festering underneath….just when you thought it was safe to go back in the water!?

Graham Naisbitt


On 5 Jul 2012, at 19:50, Neil Atkinson wrote:

> Thanks everyone for comments so far - haven't been on Technet for a while so it was good to get such good responses.
> 
> Really miss Werner for questions like this...
> 
> Actually we have never seen a failure for dendrites; however, we have a customer who has a past problem with another supplier due to dendrites on PCBs and as a result wants us to cover vias with solder resist or conformal coating.
> 
> Tha,
> 
> Neil
> 
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