Homebrew PCBs

DJ Delorie wrote:

> I did that for one board I made, it worked fine. But it doesn't work
> for me with 0.5mm pitch TQFPs because my drills aren't small enough.
> And it's faster to do it with etch if there are a lot of holes to
> drill.

Ok it's easier for who own a cnc router. There is also some spray or so
of peelable silicone soldermask for making this, need to be exposed and
developed. 

Stupid thought: Using dry film? Tin don't like NaOH, and melting the
solder will harder the dry film...