About 6 to 10 min. Depending on Age of lamp and type of photo sensitive
chemical.
Whenever a new photo chemical was used, 8 min. was the starting point to
test it. If sucessfull less time was experimented. My UV box had 3 18Watt
fluorescent lamps about 8 to 10cm (aprox. 4inch) distant
Nuno T.
-----Original Message-----
From: mikezcnc [mailto:eemikez@...]
Sent: quarta-feira, 21 de Janeiro de 2004 5:16
To: Homebrew_PCBs@yahoogroups.com
Subject: [Homebrew_PCBs] Re: UV light sources question
Right, but this is NOT the same as so called Black Light at hte
hardware store. What times did you require?
Mike
--- In Homebrew_PCBs@yahoogroups.com, "nuno-t" <nuno-t@n...> wrote:
> Hi,
>
> I used to work with UV tubes the same kind used in insect
electrocutors.
> Never had a problem related with exposure with these.
>
> Best,
>
> Nuno T.
>
> -----Original Message-----
> From: tboneuk_2000 [mailto:a_reynolds@b...]
> Sent: terça-feira, 20 de Janeiro de 2004 1:12
> To: Homebrew_PCBs@yahoogroups.com
> Subject: [Homebrew_PCBs] UV light sources question
>
>
> Hello all,
> I would like to make my own uv exposure box, but I am having some
> trouble locating a suitable tube. Could anyone tell me if
replacement
> aquariam uv tubes would work (do they opperate at a different
> wavlength), also can you use disco uv tubes?
>
> If anyone knows of a supplier in the uk other than maplin I would
> appreciate it (RS do sell them but they are very expensive, maplin
> are out of stock)
>
> Thanks for your help
>
> ---
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