Homebrew PCBs

--- In Homebrew_PCBs@yahoogroups.com, "Jackie Fetter" <lpt2@h...> wrote:
> 
> --- In Homebrew_PCBs@yahoogroups.com, "Phil" <phil1960us@y...> wrote:
> > 
> > a couple of questions:
> > - what is the width of the line produced by the fine point tip? 
> > ultrafine?
> 
> I get lines of 0.025" max. Thinner lines are possible with less
> pressure but 25 mill works fine for me.
> 

Oh well, that's way too coarse for me.  too bad, I found a used
plotter for $10.

...

> 
> > - how is the ink different from the "office" grade sharpies?
> 
> I went on at length in my original post about the ink characteristics.
> It is totally resistant against ferric chloride and does not allow
> pitting like all the other pens I've tried.
> 

you may have gone on about the characteristics but that doesn't/didn't
answer my question.  How is it different from regular sharpies (the
one ones sold in office stores)?