Homebrew PCBs

On 5/8/2012 1:25 PM, Aaron wrote:
>
> > Whether the copper is oxidized to Cu^+2 can be determined
> > by color. I just bubble air until all traces of brown/mud
> > are gone as per Seychell's instructions.
>
> He had a great web page describing the process but it seems to be 
> down. Does anyone have an archived copy of the page?
>
> http://members.optusnet.com.au/~eseychell/PCB/etching_CuCl/index.html 
> <http://members.optusnet.com.au/%7Eeseychell/PCB/etching_CuCl/index.html>
>
> It covered how to determine optimum pH, specific gravity, temperature, 
> etc and was probably the most thorough coverage I have seen given to 
> the topic.
>
> Aaron
>
> 
The page can be found at 
http://web.archive.org/web/20100206170229/http://members.optusnet.com.au/~eseychell/PCB/etching_CuCl/index.html 
Some of the pictures are missing but all of the content is there.



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