Hi Cal!

You might want to just go ahead and get them re-tinned. Call Andy Bloom at
Corfin Industries (www.corfin.net) in Salem, NH. at: (603) 893-9900.

I use them all the time for cut, form, trim, and tinning of some high-dollar
QFP's and they do wonderful work.

Tell Andy I said hi!

-Steve Gregory-


> Hello All-
>
> We have 200 QFP components that failed a Kester wet balance test method
> using Kester RMA Flux.
> Unfortunately, I do not know the nature or origin of the residue/
> contamination.
>
> Data:
> - We use a no clean process (if they did not wet with RMA can not imagine
> them wetting with NC).
> - 240 Pins with 20 or 26 mil pitch
> - Parts are MD'd (Manufactured Discontinued)
> - Value $9,000
>
> I am looking for direction and recommendations.
>
> Input on recommended labs is also Valuable.
>
> Thanks in advance,
> Cal
>
> Caldon Driscoll
> Program Manager, Circuit Board Manufacturing
> CTDI
> 1373 Enterprise Drive
> West Chester, PA 19380
> 610-793-8098
> WWW.CTDI.COM


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