We are a contract builder that manufactures printed circuit board assemblies
and apply a silicone conformal coating to those assemblies. Our coating
process is not isolated from the assembly and test area. We use a Sn63Pb37
solder process in both our smt and wave solder areas. This has been our
process for at least the last 15 years. We are being told, by a potential
customer, that we are risking silicone contamination of our solder joints as a
result of our coating process being in close proximity to assembly and test.
What are the risks to solder joint quality, if any? Thanks.
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