> > But, U would need to use a different polarity photoresist so u only need
> to
> > expose the tracks to be kept and not all copper to be removed or it
> would
> > take forever...
> Even better, design the board with as much copper filled as possible.
> This will also reduce etch time a little and save on etchant.

And increase the capacitance of the tracks ?  No thanks.
I make mostly digital boards and capacitance isn't my friend...

    KreAture

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