I think that SparkFun should start disturbing UV Solder Mask, Notation Ink, Etching and Plating Inks and Conductive Inks
http://www.sunchemical.com/products/pri … s/products
We desperately need Solder Mask for fine pitch PCBs.
Do you already have SM imaging, curing/developing and stripping capabilities? And that would also presume you can produce the artwork for the imaging?