Regarding that, I have a CD-ROM PCB somewhere that has just that. The
vias are filled with something that looks like conductive paste and
covered with some other laquer.
It is the only PCB I've ever seen like that, but it was a production part.
If I stumble across it again I'll make some photos....
ST
On Fri, May 15, 2009 at 1:00 PM, Daniel Howard Bryant
<
coloradobryant@...> wrote:
> To heck with molten solder, why not use conductive ink that has a high viscosity similar to a gell then just inject it into the holes with a syringe?
>
> Cheers,
> Daniel