Homebrew PCBs

I have a super fund cleanup site near me that used Ferric Chloride
to make circuit boards. Technically it is not an acid but it should be
handled like acid. Real vinegar is made from wine. The stuff sold in
stores is just another chemical. Read this about Ferric Cloride:

http://www.jtbaker.com/msds/englishhtml/f1060.htm



--- In Homebrew_PCBs@yahoogroups.com, JanRwl@A... wrote:
>
> In a message dated 12/8/2005 5:08:42 P.M. Central Standard Time,  
> lcdpublishing@y... writes:
> 
> I would  have to guess that this sort of laser would require a bit
of power  
> though.  <<
> AND, what will a laser that can burn-away copper METAL do to  the
epoxy below 
> the copper???  
>  
> If there were a better way than etching, it would have surely  become a 
> commercial reality by now!
>  
> I note some state an aversion to "acid".  Ferric chloride  may not
belong in 
> salad-dressing, but it is NOT an acid!  Ammonium  perchlorate, the
"other 
> etchant", isn't either!   Wonder if these  people have a fear of
vinegar???   
> Nevermind!  No  point!
> 
> 
> 
> 
> 
> 
> 
> [Non-text portions of this message have been removed]
>