Just to add a bit to this, we have a supplier who went to a NO CLEAN Flux
and the first time we got we boards I flipped.    A very scary condition.
While No Clean Fluxes may be the way a  lot of folks are going, we careful
with your processes and inspection criteria.

Regards,

Randy

P.S.  The supplier has since made adjustments to their process and we now
get a lot better looking boards.  What they did specifically I am not
totally sure.


----- Original Message -----
From: Dave Hillman <[log in to unmask]>
To: <[log in to unmask]>
Sent: Friday, September 20, 2002 10:13 AM
Subject: Re: [TN] Noclean Wave soldering


> Hi Peter! One additional area of concern to consider is the cleanliness
> level of your boards and components. It has been a very common industry
> mistake to focus on the elimination of cleaning solely based on flux
> residues. Many folks have innocently not considered what other types of
> residues/contaminates a cleaning process removes from a printed wiring
> assembly. And if you think that your boards and components are super clean
> coming in the door from the suppliers then be prepared for some pretty
> scary test results (or just ask Doug Paul's for a couple of "Tales of
> Horror" cases). Good Luck.
>
> Dave Hillman
> Rockwell Collins
> [log in to unmask]
>
>
>
>
> Peter Lee <[log in to unmask]>@ipc.org> on 09/20/2002 01:10:26 AM
>
> Please respond to "TechNet E-Mail Forum." <[log in to unmask]>; Please
respond
>        to Peter Lee <[log in to unmask]>
>
> Sent by:    TechNet <[log in to unmask]>
>
>
> To:    [log in to unmask]
> cc:
>
> Subject:    [TN] Noclean Wave soldering
>
>
> Technet,
>
> Is anyone currently adopting a no clean flux/ no post wash with their
> Wave soldering process? We had a few wave soldered products requiring
> post hand soldering due to non-washable components (filters,
> transformers etc.)
>
> In particular, I like to know what areas of concern you run into (eg.
> Remaining Flux residues, conformal coating) and your feedback on the
> overall cleanliness of the boards.
>
>
> Rgds,
> Peter
>
> --------------------------------------------------------------------------
-------
>
> Technet Mail List provided as a free service by IPC using LISTSERV 1.8e
> To unsubscribe, send a message to [log in to unmask] with following text in
> the BODY (NOT the subject field): SIGNOFF Technet
> To temporarily halt or (re-start) delivery of Technet send e-mail to
> [log in to unmask]: SET Technet NOMAIL or (MAIL)
> To receive ONE mailing per day of all the posts: send e-mail to
> [log in to unmask]: SET Technet Digest
> Search the archives of previous posts at: http://listserv.ipc.org/archives
> Please visit IPC web site http://www.ipc.org/html/forum.htm for additional
> information, or contact Keach Sasamori at [log in to unmask] or 847-509-9700
> ext.5315
> --------------------------------------------------------------------------
-------
>
> --------------------------------------------------------------------------
-------
> Technet Mail List provided as a free service by IPC using LISTSERV 1.8e
> To unsubscribe, send a message to [log in to unmask] with following text in
> the BODY (NOT the subject field): SIGNOFF Technet
> To temporarily halt or (re-start) delivery of Technet send e-mail to
[log in to unmask]: SET Technet NOMAIL or (MAIL)
> To receive ONE mailing per day of all the posts: send e-mail to
[log in to unmask]: SET Technet Digest
> Search the archives of previous posts at: http://listserv.ipc.org/archives
> Please visit IPC web site http://www.ipc.org/html/forum.htm for additional
> information, or contact Keach Sasamori at [log in to unmask] or 847-509-9700
ext.5315
> --------------------------------------------------------------------------
-------
>

---------------------------------------------------------------------------------
Technet Mail List provided as a free service by IPC using LISTSERV 1.8e
To unsubscribe, send a message to [log in to unmask] with following text in
the BODY (NOT the subject field): SIGNOFF Technet
To temporarily halt or (re-start) delivery of Technet send e-mail to [log in to unmask]: SET Technet NOMAIL or (MAIL)
To receive ONE mailing per day of all the posts: send e-mail to [log in to unmask]: SET Technet Digest
Search the archives of previous posts at: http://listserv.ipc.org/archives
Please visit IPC web site http://www.ipc.org/html/forum.htm for additional
information, or contact Keach Sasamori at [log in to unmask] or 847-509-9700 ext.5315
---------------------------------------------------------------------------------