That is the method I have used. I put a few layers of scotch tape on
the corners to develop the gap. Works quite nicely when I have a via
that has to go under a chip package.
--- In Homebrew_PCBs@yahoogroups.com, DJ Delorie <dj@...> wrote:
>
>
> "James Newton" <jamesmichaelnewton@...> writes:
> > http://techref.massmind.org/techref/pcbholes.htm has a good over
> > view of options for holes and layers in homemade PCBs.
>
> What I've been doing lately is thusly:
>
> Strip a couple inches of wire wrap wire. It's 13 mil, fits into a
> 13.5 mil hole.
>
> Put something under the PCB to hold it slightly off the working
> surface. I use solder, as it's 20 mil diam, so my board is 20 mil off
> my table. My boards tend to have enough bigger holes to run the bits
> of solder through to hold them in place, or just wrap it around the
> whole board.
>
> For each via: Drop the wire through the hole, solder the top, cut.
>
> When you flip the board over, you see that each wire extends 20 mil
> past the pcb. Fold them flat if you want, or just solder them as-is.
>
> It's not through-plating, but it is quick, easy, and reliable.
>