Hi everyone:

Since some time ago I have been asking my self about using solder mask=20
on prototype boards. Looking around I found interesting those UV-curable=20
masks and Liquid photoimageable masks. Most of them are applicable using=20
a screen-printing method (for low volume usage, for high volume there=20
are other, like curtain and spray methods), and there a question was born..=
..

Are these UV-curable masks suitable for being cured like an UV etch=20
resist? It would be great to make it easy as painting the mask over,=20
exposing in an UV unit and then wash it to make the pads clear of solder=20
resist.

Has anyone tried this? Does anyone know an easy method to use solder mask?

--=20
Lorenzo Luengo Contreras
Ingeniero Civil Electr=F3nico
Laboratorio MIDGEO (LF-106)
Facultad de Ciencias F=EDsicas y Matem=E1ticas
Universidad de Concepci=F3n
Concepci=F3n - Chile
+56-41-2207400
http://midgeo.udec.cl

--=20
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