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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