Homebrew PCBs

I did my first two sided board a couple of weeks ago with 11 mil vias.

After printing my two sides on PNP, I left about a two inch tail of
extra material along one side. After lining up the holes I taped the
tail together from the end and about 1/2 inch of the sides. I did not
tape around where the circuit board would be.

I put the pcb in betwen the the sheets and visually inspect to make
sure the split in the tail is more or less centered with the edge of
the circuit board. I then carefully put the whole assembly inside a
heavy paper carrier and that whole assembly goes through the
laminator. The paper carrier, which is just a piece of heavy
construction paper folded in half, is to keep the rollers from causing
the PNP to shift and make it possible to pass small boards through the
laminator..

In spite of my initial concerns about this working, the holes were
almost dead on.

If I can ever get over this cold, I have a new board that is a little
more complex and hopefully I can repeat these results. Sneezing and
smds do not mix. :-0




--- In Homebrew_PCBs@yahoogroups.com, "dkesterline" <desterline@t...>
wrote:
> Looking for other peoples experiance with aligning double sided TT 
> through a laminator.
> 
> I just tried to laminate my first DS board. I stuck down one side, 
> removed the paper so I could drill a couple alignment holes and
tried 
> laminating the other side. Totaly destroyed the toner on the first 
> side.
> 
> So what do other people do?
> 
> -Denny