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Subject: Re: [Homebrew_PCBs] Heat transfer for toner-transfer method

From: "Stefan Trethan" <stefan_trethan@...>
Date: 2005-12-31

I would expect trouble from uneven pressure with this setup.
If you bake long enough iron plates should work the same.

ST

On Sat, 31 Dec 2005 17:14:18 +0100, alan00463 <alan00463@...> wrote:

> Yes, Kenny, I am definitely interested in seeing the pics of the PCBs
>
> your working on. It would be great if you could post them on the web
>
> with a brief writeup.
>
>
> Somewhere on the web, I read about a process for transferring toner
>
> from paper to copper that sounds even better than a laminating machine.
>
>
> It involves getting two fairly thick rectangular slabs or "boards" of
>
> aluminum, putting bolts through the four corners, and wingnuts on the
>
> bolts. Then you can sandwich your copper board with toner paper on it
>
> in between the two aluminum boards and crank the wingnuts down to
>
> apply constant pressure to the sandwich. Then you put the whole
>
> thing in the oven and bake it until the toner transfers successfully
>
> to the copper. Aluminum is a very good conductor of heat, as well
>
> as of electrons. Fry bacon in an iron skillet; then fry bacon in an
>
> aluminum skillet, and you'll see what I mean.
>
>
> This way sounds easier. Once you figure out the time and
>
> temperature, you should be able to get consistency. Sorry, I
>
> don't remember the URL where I saw it. For my first time, I am going
>
> to just use the iron. Maybe somebody else here has tried this method
>
> and can enlighten me.
>
>
> Alan