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Date: | Mon, 12 Aug 2002 18:09:05 +0100 |
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On 12/8/02 3:00 pm, "David Hannick" <[log in to unmask]> wrote:
> Hi
>
> I am an engineer working for a company that designs smoke alarms. We have a
> problem with insect infestation in some markets such as Australia which leds
> to circuit board damage through shorts etc. The enclosure has to have
> openings to allow smoke and air to flow in to the unit, but insects get in
> through these. Are our options limited to conformal coatings and insect
> screens to cure the problem. Are there other options? Has anyone else
> experience of similar problems.
> Thank you for your help.
>
> Best Regards
> David Hannick
>
> Ei Electronics
> Shannon
> Co. Clare
> Ireland.
David,
The conformal coating is probably the best solution, and this is a problem
that others have faced.
Keep-in-mind that if the insects in question are ants for example, they
excrete formic acid...which is kinda corrosive!
Best solution we found was to coat with a UR coating.
Regards Graham
[log in to unmask]
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