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April 2016

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Subject:
From:
Steve Gregory <[log in to unmask]>
Reply To:
TechNet E-Mail Forum <[log in to unmask]>, Steve Gregory <[log in to unmask]>
Date:
Thu, 7 Apr 2016 13:12:00 -0600
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Hi Richard,

The only thing I know of that might be affected by UV light is an UV
erasable EPROM. It's been a while since I've seen one of those...

Steve

On Thu, Apr 7, 2016 at 12:59 PM, Richard Kraszewski <
[log in to unmask]> 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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