Homebrew PCBs

On Sat, 10 Feb 2007 07:20:03 +0100, Tony Smith <ajsmith@...>  
wrote:

>
> Or find an etchant that works at low temperatures (and only attacks the
> copper, of course).  It would make a change to toss something in the  
> fridge
> rather than into a tub of warm water.
> This would be something a Peltier module can help with.  It can keep the  
> PCB
> cool, and be cheap and not take up much space while doing it.
> Tony


Only that usually chemical reactions speed up with increasing temperature.
Therefore i doubt such an etchant exists.



ST