Bob Weiss wrote:
>
> Does anyone know what they use on PCB's to give that green coating
> that they then apply silkscreening to? Can this be purchased? IF so
> where? What are the benefits to using this?
>
>
Google: "soldermask"
http://www.rockwellcollins.com/about/additionalproducts/collinsprintedcircuits/page1823.htmlNormally applied as a film and exposed/developed much like etch resists
except this stuff never comes off. Older methods would silk screen
soldermasks, newer methods use Inkjet technology to print directly.