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August 2018

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TechNet <[log in to unmask]>
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David Hillman <[log in to unmask]>, TechNet E-Mail Forum <[log in to unmask]>
Date:
Thu, 2 Aug 2018 14:54:31 -0300
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TechNet E-Mail Forum <[log in to unmask]>, Graham Collins <[log in to unmask]>
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Subject:
Re: UV protection for an IC
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Graham Collins <[log in to unmask]>
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Don't know.  They aren't explaining.  The customer is always right!

Graham Collins
Senior Process Engineer
Sunsel Systems
(902) 444-7867

On 8/2/2018 2:48 PM, David Hillman wrote:
> Hi Graham - other than the bad sunburn jokes you will get on this, why 
> is there a concern for UV exposure?
>
> Dave Hillman
> Rockwell Collins
> [log in to unmask] 
> <mailto:[log in to unmask]>
>
> On Thu, Aug 2, 2018 at 12:34 PM, Graham Collins 
> <[log in to unmask] <mailto:[log in to unmask]>> wrote:
>
>     Hello TechNet!
>
>     I've got a customer who is looking to protect an IC from exposure
>     to UV.  It is a tiny 24 ball BGA (2.3 mm square). They are
>     suggesting a dam and glob-top solution, but I'm concerned that
>     there isn't enough room around it (very, very small board).  I've
>     suggested a dab of black conformal coating material on a brush. 
>     Any other great solutions?
>
>     -- 
>     Graham Collins
>     Senior Process Engineer
>     Sunsel Systems
>     (902) 444-7867
>
>

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