Homebrew PCBs

In a message dated 6/17/2004 1:21:42 AM Central Standard Time, 
stefan_trethan@... writes:
what i would fear with a pump setup is the fixed position of the nozzles -
how do you get a even etch?
Don't spray ETCHANT through the nozzles, but AIR!  Bubbles will agitate the 
etchant on the surface of the copper VERY nicely, and "all over"!


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