Homebrew PCBs

Impossible to say, it depends on the opacity of your mask and how fine
your traces are.
Usually one does a step test, where a strip of mask is withdrawn or
uncovered step by step in timed intervals, to determine the ideal
exposure.

<https://www.youtube.com/watch?v=iIb8l2fccRE>

ST

On Thu, Jul 7, 2016 at 4:59 PM, Cristian crissstian@...
[Homebrew_PCBs] <Homebrew_PCBs@yahoogroups.com> wrote:
> How much overexposure (%?) can cope the UV sensitive coated PCB, please?
> Cristian
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> Posted by: Cristian <crissstian@...>
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