Homebrew PCBs

On Tue, 03 Sep 2013 23:46:25 -0000, you wrote:

>Pink? should be green or some shade of.

Pink was the color of the copper, not the solution.

Harvey

>Sam
>
>Read this.
>http://members.optusnet.com.au/~eseychell/PCB/etching_CuCl/
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>
>
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>--- In Homebrew_PCBs@yahoogroups.com, <twgray2007@...> wrote:
>>
>> OK, I tried bubbling air through the mixture for about 24 hours with no change.\ufffd I heated to about 40 C and placed a PCB in just to test and after about 25 minutes it had just started to turn pink from etching.\ufffd The volume was at about 1/2 gallon and to this I added about 1/2 cup of HCL and left the board in for another 30 minutes with little change.\ufffd 
>>  
>>  I think I will now put a lot of copper wire in, at 40 C and let it run to see if it will "take off", as you put it. 
>>