Wade,

Might I suggest you contact Smartsonic in CA.
web site is  http://www.smartsonic.com
They have solution that will assist in cleaning and don't damage any SMT components.

Wade Oberle wrote:

> Dear TechNetters,
>         I have a fairly simple problem that I am looking for advice on.
> We use no-clean solder paste.  How do some of you clean mis-printed
> boards with no-clean paste?  How do you insure you get all of the paste
> out of the vias?  If it is a double side reflow board and the first side
> is already populated, how do you clean mis-prints on side two and insure
> that paste from vias underneath large QFPs is completely removed?  If
> you use certain chemicals and/or ultrasonic agitation, are there
> specific SMT components that are damaged by the use of these techniques?
>
> Thanks in advance for your replys.
>
> Wade Oberle
> Sr. Mfg. Engineer
> Manutronics, Inc.
> [log in to unmask]
>
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