Homebrew PCBs

What technique did you use to prepare the solder mask?

Shannon

On Thu, Jun 20, 2013 at 2:19 PM, timgmorris@... <timgmorris@...>wrote:

> **
>
>
> Sorry, haven't checked the list in a while. My source for the photoresist
> was http://www.digole.com/index.php?productID=228
>
> The web store appears to be Canadian but the products come from China, so
> shipping can be anywhere from a week to a month.
>
> It's a negative photoresist, so you need to invert the output of EagleCAD.
> I use Arm & Hammer Super Washing Soda as the developer (1/2tsp per 1C of
> water). I also use this resist as the solder mask, which works quite well.
>
> Some pics:
> http://www.timtilities.com/index.php/electronics-menu/101-panel-2-pcb
>
>
> --- In Homebrew_PCBs@yahoogroups.com, Misc Clark <clark.cone4@...> wrote:
> >
> > Tim! what is the source of the A6 sheets of photoresist?
> > Curious in Charlotte
> > Clark Cone
> >
>
>  
>


[Non-text portions of this message have been removed]