I agree with Dave in principal (Dave is alway right...sigh. Wished the man 
could be like we others and be wrong some time) . However, there is a word 
that you must sometimes take into consideration: workmanship. At least many 
of our customers use this against our assuring that there is no risk 
bla-bla-bla.  So, we would do something to remove the stuff.

Inge

--------------------------------------------------
From: "David D. Hillman" <[log in to unmask]>
Sent: den 17 June 2010 18:33
To: <[log in to unmask]>
Subject: Re: [TN] No-clean flux residue on connector

> Hi Ioan - If the reflow process renders the flux residue inert and you do
> not have flux residue on the connector contacts, is there some functional
> reason you don't like what we see in the photo? If the flux residues
> remaining after soldering have been correctly processed, there shouldn't
> be an issue unless you have a functional issue or an product use
> environment issue.
>
> Dave Hillman
> Rockwell Collins
> [log in to unmask]
>
>
>
>
> Ioan Tempea <[log in to unmask]>
> Sent by: TechNet <[log in to unmask]>
> 06/17/2010 10:50 AM
> Please respond to
> TechNet E-Mail Forum <[log in to unmask]>; Please respond to
> Ioan Tempea <[log in to unmask]>
>
>
> To
> [log in to unmask]
> cc
>
> Subject
> [TN] No-clean flux residue on connector
>
>
>
>
>
>
> Dear Technos,
>
>
>
> I have this issue with no-clean LF process
> http://ipc-technet.groupsite.com/gallery/13891
>
>
>
> Will it pass IPC-610 class2?
>
>
>
> We're not running much no-clean, so I don't really know if this issue is
> common with this process. Is there any way, other than masking the
> connectors, to keep the flux from ending on the body of this part? I can
> say we minimized the flux deposition, less than this and it will not
> solder.
>
>
>
> Thanks,
>
>
>
> Ioan Tempea, ing.
> Ingénieur Principal de Fabrication / Senior Manufacturing Engineer
> T | 450.967.7100 ext.244
> E | [log in to unmask] <mailto:[log in to unmask]>
> W | www.digico.cc <http://www.digico.cc/>
>
>
> N'imprimer que si nécessaire - Print only if you must
>
>
>
>
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