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April 2016

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Subject:
From:
Yuan-chia Joyce Koo <[log in to unmask]>
Reply To:
TechNet E-Mail Forum <[log in to unmask]>, Yuan-chia Joyce Koo <[log in to unmask]>
Date:
Thu, 7 Apr 2016 15:15:43 -0400
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UV erase memory for programmable one.  In addition, if you have stack  
memory with very thin encapsulation, it might be impact as well.  All  
depend upon what you use and contact your components mfg for info...  
(or your designer should know).  my 2 cents.
       jk
On Apr 7, 2016, at 2:59 PM, Richard Kraszewski wrote:

> 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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