Hi Carl,

If the board is going to be soldered with water soluble flux I use
Techspray Wondermask W all the time to mask SMT parts, most of the time for
our selective solder machine. Designers put parts packed around through
hole leads that you can't avoid even with selective solder...

Steve

On Mon, Mar 12, 2018 at 3:22 PM, Carl Van Wormer <[log in to unmask]
> wrote:

> Our new version PC board has a few bottom-side mounted capacitors that
> were not on our previous design.  Both designs are low-quantity builds of
> about 100 per year.  Our assembly house says they can’t run the board
> through their solder wave because of these parts and is planning to charge
> a significant fee to hand-solder the 200+ pins for the connectors.  I
> thought there was some sort of mask that could be placed over the bottom
> side parts, like the pink stuff they add to avoid filling the plated holes
> for mounting screws.  Are there any good methods that I should research to
> help them run our boards through the solder wave?
>
> Also, I tried to find the TechNet archive to search for answers, but I was
> unable to use the search function.  Is there a help file on searching the
> TechNet archive?
>
> Thanks,
> Carl
>
>
> ​​​​​
>
> Carl B. Van Wormer, P.E., AE7GD
> Senior Hardware Engineer
> Cipher Engineering LLC
>     21195 NW Evergreen Pkwy Ste 209
>     Hillsboro, OR  97124-7167
>     503-617-7447x303
>     [log in to unmask]<mailto:[log in to unmask]>
> http://cipherengineering.com<http://cipherengineering.com/>
>
> This message may contain confidential and/or proprietary information, and
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>
>
>


-- 
Steve Gregory
Kimco Design and Manufacturing
Process Engineer
(208) 322-0500 Ext. -3133

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