Homebrew PCBs

On Thu, 07 Jul 2005 08:46:28 +0200, Stefan Trethan <stefan_trethan@...>  
wrote:

>
> What angle has your electrode? is it carbon or graphite?


Also, you said you'll try carbide drills as electrodes - i wonder where to  
find information which electrode shows the least wear. Tungsten rods fo  
TIG welding might be another option, if it is better than graphite (which  
i don't think).
I think the industry uses graphite for sinkers and "soft" metals for other  
machines like wirecutters, no?

ST