I uploaded the top copper layer and also the reverse image of the
soldermask layer into my Files folder called Mike P's stuff. These
pdf files might make more sense.
Here's the link.
http://groups.yahoo.com/group/Homebrew_PCBs/files/Mike%20P%27s%
20stuff/
Mike
--- In Homebrew_PCBs@yahoogroups.com, Henry Carl Ott <carlott@i...>
wrote:
>
>
>
> >Since we can use toner transfer for adding a silkscreen layer
over a
> >board, why not use toner transfer for adding a soldermask layer to
> >the board? It could be even done in your favorite board color by
> >using a color laser printer from a copy center. A negative image
of
> >the soldermask layer would be required. My software generates that
> >if needed. The plastic toner soldermask layer would make an
> >excellent barrier.
> >
> >
> >Thoughts?
> >
> >Mike
>
> My experience with this is that the temperature of the soldering
iron will
> melt away the toner, defeating the purpose of the solder mask.
> I used to not even bother to remove the toner after etching, and
just
> solder the pins right through the toner. I stopped doing that
because,
> while it worked, it looked like crap.
>
> -carl
>