Homebrew PCBs

I believe there is an "ultrafine point" sharpie.

I haven't tried it, but maybe you could cut two sides off a "fine
point" sharpie with a razor blade, to get a very narrow tip.

Cheers,
- Jan

On 8/4/07, johncrad <John.Craddock@...> wrote:
> Hello All,
> I have a fairly complicated single-sided pcb that I am doing with
> toner transfer. The tracks and through-hole component pads are 12 mil.
> After several tries at T/T I have reached a 99.99% level of transfer.
> I wish to touch up the missing bits. However, the examples of a
> sharpie that I have seen here in OZ would be like trying to touch-up
> with a broomstick (and they call them fine point!!). So I am looking
> for advice and experience in touching up fine track resist; including
> make and model of   known successful products.
> TIA
> Regards
> John C