The solder will bead up rather than forming a thin layer across the layers. Or did you mean for the holes to stay filled with solder?
You'll still need to do the acid bath to clean off the smeared epoxy in the drilled holes.
Steve Greenfield AE7HD
--- In Homebrew_PCBs@yahoogroups.com, "James" <jamesrsweet@...> wrote:
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> I've contemplated trying just to see if I could do it, my thought was to use solder paste to interconnect traces on the layers and cook the board on a hot plate. I don't really think it's worth the hassle though, if I ever needed a multilayer board I'd just have it professionally made.
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