The article David posted below is fairly technical, and calls for some fairly expensive equipment. The Homebrew_PCBs Links also has a "cookbook" approach which 1) outlines the chemistry of CuCl etching simply and clearly, and 2) has simple, cheap methods to assess your etchant and what it needs to have added. http://www.pacificsun.ca/~robert/pcb/cucl.htm Grant --- In Homebrew_PCBs@yahoogroups.com, "bnmj2000" <yahoo@d...> wrote: > Hi all, > > For a slightly more scientific way of maintaining a cupric acid bath, > may I suggest: > > http://users.rcn.com/rexa/Projects/CuCl_ech.html > > I'll also put this in the links page. if I can... > Cheers, > David
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Re: Peroxide Acid etching - chemistry is simple
2004-02-13 by grantfair2001