Homebrew PCBs

Les,

Excellent post.

Masny will find that TT combined with CNC drilling is a bad 
combination. (Assuming the CNC is of decent accuracy<G>)

Ballendo

--- In Homebrew_PCBs@yahoogroups.com, Les Newell <lesnewell@h...> 
wrote:
>
> I think I'll stick to photo etching. Print onto transparency with 
my 
> cheap Epson inkjet (green works best for some reason), expose in a 
light 
> box for 7 minutes, Develop in weak caustic soda solution for 2 
mins, 
> etch.  Works great for me :-) Afterwards I stick board in the cnc 
mill 
> and drill the holes for a perfect finish. Apart from the hassle of 
> rubbing off the paper and fixing track breaks with an etch resist 
pen 
> the distortion you get with TT made it impossible for me to drill 
the 
> holes with CNC.
> 
> Les