Homebrew PCBs

"AlienRelics" <alienrelics@...> writes:

> It is about blocking UV, too. Black is fairly light resistant and so
> does not really need UV blockers, whereas the colors have more
> sensitivity to it.

I tested all six of my (Claria) inks.  Black and Yellow blocked UV just
fine, but yellow didn't dry fast enough (and was hard to see when you
try to line it up on the board).  The other four colors were completely
transparent to UV.  Black it is.