Homebrew PCBs

Have you folks tried to make a solder mask using a thin brass sheet just 
like how you would etch a PCB. It would last longer than a vinyl mask.

Kim


----- Original Message ----- 
From: "iluvpcbs" <iluvpcbs@...>
To: <Homebrew_PCBs@yahoogroups.com>
Sent: Monday, January 21, 2008 8:02 PM
Subject: [Homebrew_PCBs] Re: Two ideas for home made soldermask


> Hi Steve,
>
> Agreed, I don't think toner itself will work as a soldermask.  The
> idea is if you vinyl cut a solder paste sheet, then one can spray some
> kind of temporary solution (latex?), remove the solder paste sheet and
> then spray the actual solder mask material.
>
> Even though it might need an oven bake to cure, the temporary stuff
> sprayed before the soldermask should lift off the pads, so voila
> you're left with a soldermask on traces but nothing on pads.
>
> Would you be willing to try something like this?  I don't have access
> to a vinyl cutter at the moment.
>
>