Homebrew PCBs

In a message dated 11/20/2005 12:21:12 P.M. Central Standard Time,  
jim@... writes:

How do  folks here tin their boards after they're etched?<<
 
Normally, one "tins" the desired pattern on the copper, then  uses an etchant 
that attacks copper, but NOT tin/lead, so the pre-tinned tracks  and pads 
stay.  But a solution made of a solid called "Tinnit" by one of  the mailorder 
PCB-stuff firms will "electrolessly tin" ANY copper dipped in it  (per 
instructions).  I do NOT know how the pro-houses "solder-plate" the  pattern on bare 
copper, if this is electroless or done with DC power.   Somebody?







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