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April 2016

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Thu, 7 Apr 2016 18:59:09 +0000
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TechNet E-Mail Forum <[log in to unmask]>, Richard Kraszewski <[log in to unmask]>
Subject:
UV Cure process Harmful to Electronic Assemblies ???
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Richard Kraszewski <[log in to unmask]>
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Have a customer who is very concerned that  the cure UV light from conformal coating cure process might be harmful to their(any)  electronic assembly. 

Historically  we have  UV cured  automotive and industrial  assemblies without issue. Solder mask usually is UV cured hence  normal cure processes shouldn't damage the PCB at minimum. 
Contacted  several UV coating and equipment  manufacturers but nothing useful came out of that. 
Nothing in IPC CC830 Handbook either. 

I am looking for  reports/thoughts  that anyone may have , which supports or disputes this claim.
Any components know to be UV sensitive? 

Thanks in advance

Rich  Kraszewski /Plexus 

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