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Date: | Wed, 14 Sep 2011 09:07:08 +0100 |
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"finitions"
Cedric,
You have invented a new word in English, congratulations!
I'm afraid I can't help you but I guess you mean "finishes", in case anyone else is maybe wondering what your new word is.
Regards,
On 14/09/2011 08:20, Cedric ORAIN wrote:
> Good morning again !
>
>
>
> This is the second subject for which I need your help today. During previous
> work -when I qualified lead free assembly years ago- several PCB finitions
> was compared. Among the finitions we tested, HAL Sn100C was rejected because
> of reflow issues using SAC305 solder paste.
>
>
>
> Problems were lack of solderability. I assumed that the reason was because
> of the difference between liquidus of Sn100c in comparaison with SAC305. We
> didn't make a lot of work to solve that as we head quickly to ENIG and I
> finally rejected Sn100C. until this week when a customer request Sn100C for
> cost reason.
>
>
>
> So I would appreciate testimony of technetters that use successfully Sn100C
> as PCB finition with SMD process as well as troubleshooting feedback
> regarding this process.
>
>
>
> Regards,
>
>
>
> Cedric
>
> <http://www.inovelec-group.com> www.inovelec-group.com
>
>
>
>
>
>
>
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--
Eric Christison
Consumer& Micro group
Imaging Division
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