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May 2001

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Subject:
From:
Brian Ellis <[log in to unmask]>
Reply To:
TechNet E-Mail Forum.
Date:
Thu, 24 May 2001 16:09:24 +0300
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Bev

Would there be a commercial market for such indicators (say 1 M
units/year)? If so, would you want it to show a dunking in water (how
long reaction time at what temperature?) or exposure to high humidity
(what RH threshold at what temperature and reaction time?). I can
envisage several types of, say, 1210 pseudo-components with a colour
band which would change permanently (short of deliberate tampering).
They might not like aqueous cleaning though :-( Also, would you prefer
them to operate only in power-on conditions or at all times (service or
storage)?

Brian

Bev Christian wrote:
>
> TechNetters,
> Hann asked this same sort of question May 9th and I am not aware of any
> answers being posted.  Certainly not with the same title (searched
> archives).
>
> Ever have clients dunk your hard work in water and then claim that you
> couldn't make good product?  Do any of you know of any really small,
> moisture indicator strips that permanently changed color when they are
> dunked in liquid water, as opposed to just being exposed to high humidity
> for long periods of time?  I know, I know a tall order.  Any help would be
> appreciated.  Thanks.
>
> Bev Christian
> Research in Motion
>
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