Bruse,

Yes!

Due to the CTE mismatches between the UR and everything else there is a very real possiblility of edge
peeling.
Run some prototypes before you sign off!!

David A. Douthit
Manager
LoCan LLC

"Misner, Bruce" wrote:

> I have a CM that precision spray coats UR with an x-y programmable gantry
> system.  They would like to avoid coating large areas of the board that have
> no components but DOES have conductors covered by solder mask over bare
> copper. The boards are all Class 3,  4 layers, some designs Tin/lead plate
> finish, some solder dipped finish, some .062 thk, some .125 thick.
>
> They are requesting a change of wording on the drawing to read: Coat all
> components, leads, solder joints and exposed circuitry per J-Std-001.  Does
> anyone have serious concerns with this approach?
>
> Bruce Misner
>
> ---------------------------------------------------------------------------------
> Technet Mail List provided as a free service by IPC using LISTSERV 1.8d
> 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 delivery of Technet send e-mail to [log in to unmask]: SET Technet NOMAIL
> 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 1.8d
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 delivery of Technet send e-mail to [log in to unmask]: SET Technet NOMAIL
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
---------------------------------------------------------------------------------