Can you return the PCBs back to the PCBs shop?

If the Nickel plating have oxidation, you should return the PCBs for surface
treatment, you should verify no acid remains in the via holes.

You can try also active flux but the cleaning process is complicate and
risky.

Reuven

On Wed, Jul 6, 2011 at 10:37 PM, Jean-Francois Bissonnette <
[log in to unmask]> wrote:

> Hello technetters,
>
>
>
> We received a batch of PCBs that are extremely hard to solder.  The wetting
> on the SMT components is fine however, the through hole is a real pain.  We
> tried rubbing the pads with an eraser but no results.
>
>
>
> If the problem comes from too little gold plating, is there a solution to
> help with soldering?
>
>
>
> Thank you!
>
>
>
> (BTW… for those who answered on the stencil issue.  I’ll send questions
> when
> I put out some other fires!!!)
>
>
>
> Jean-François
>
>
>
>
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-- 

Best Regards,

*Reuven Rokah*

Mobile: 972-52-60-120-18
Tele-fax: 97239360688
<http://www.rokah-technologies.com/>[log in to unmask]
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**

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