Archive of the former Yahoo!Groups mailing list: Homebrew PCBs

>
> I am using .064 FR4 1oz as well. I use PNP Blue for the transfer. I
> use 30gauge wire with a .015 bit for most through holes and have had
> no problems with getting a good enough alignment. When I align I

use a

> small light table and a microscope.

How do you align ?

Drill before or after ?

I just thought that if one were to drill first, you can put the
dholes exactly in line with the board and then use the holes as
guides for the transfer.

Downside is etching the holes.

Dave