AW: PCB making tips

[jhaible]

> I use Easytrax (free) and used to do this. It works well enough. Not
> as quick as a drill microscope or as precise, but it does work. The 
> difference, I think, is that I use 0.062" pads and 0.028" holes in
> a 0.062" pad leaves only a few thousandths of an inch for error. 
> With bigger pads, sure, hand drill. I regularly use one line between 
> IC pads with PNP blue, and sometimes use 0.050" pads for transistors, 
> and all resistors stacked on 0.100" centers as well, so the extra 
> precision in centering holes in pads is worth it to me.

Ok, I see. If you're really faster, then it's an improovement no doubt.
I guess I did imagine looking thru an optical device being a slow
process, but obviously you have the comparison between the methods. 
And I have rarely made such fine structures.

Thanks for the info,

JH.