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| Date: | Tue, 10 Apr 2007 15:36:37 +0300 |
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Of course, external contaminants may be nutrients, but fungicidal
conformal coatings would not prevent growth happening under those
circumstances.
Brian
Brian Ellis wrote:
> Fungicides used to be added to phenol-formaldehyde lacquers, in the days
> when all printed circuits were on cheap paper-based laminates (early
> 1950s, because the paper coating treater was poor in uniformity before
> stacking prior to pressing. However, that was also in the days when
> anode voltages were typically 250 V. I remember that 20 or so years ago,
> some conformal coatings contained fungostats and bacteriostats, but I
> haven't a clue whether they are still available. Normally, I would not
> expect modern materials to support mycelia penetration, so fungostats or
> fungicides should not be necessary. Beware that many fungicides are
> based on ionic metal salts!
>
> Brian
>
> Reuven Rokah wrote:
>>
>> One of our potential customer is interesting with "Fungus treatment" for
>> assemblies and cables.
>>
>> Do you familiar with such process?
>>
>> Thanks
>>
>> Reuven
>>
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