one more: high end of device, more sensitive to the UV... (scaling  
factor - once you get down  to low voltage address line  for memory,  
does not take that much to change the charger status).  good luck.
      jk
On Apr 7, 2016, at 3:15 PM, Richard Kraszewski wrote:

> Very useful details and thanks for the quick reply.
>
> Rich  Kraszewski
> (920) 969-6075
>
> -----Original Message-----
> From: Yuan-chia Joyce Koo [mailto:[log in to unmask]]
> Sent: Thursday, April 07, 2016 2:16 PM
> To: TechNet E-Mail Forum; Richard Kraszewski
> Subject: Re: [TN] UV Cure process Harmful to Electronic Assemblies ???
>
> 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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