Homebrew PCBs

--- In Homebrew_PCBs@yahoogroups.com, "circuitmangler" 
<erantapaa@...> wrote:
>
> 
> I've just purchased a small heat press with a 4" by 8" pressing 
area.
> It has a built-in thermometer which reaches a maximum of 250 degrees
> (I presume degrees F since it was made in the US.)
> 
> The technique which I've discovered works well is as follows:
> 
> - let heat press warm up to operating temperature
> - pre-heat copper board in heat press for about 15 secs.
> - place toner image on copper board - I use magazine paper
> - apply heat for about 10 secs
> - run over the board with a small roller to ensure good thermal 
contact
> - remove board from press and allow it to cool; remove magazine
>   paper by running water over it
> 
> Magazine paper comes off very easily with water - just a little
> rubbing with your thumb will take it off. Also, applying heat for 
more
> than 10 secs runs the risk of enlarging your traces. Currently I'm
> applying the heat press directly onto the magazine paper, but I'm
> interested in using some sort of intermediate layer to help spread 
the
> heat and ensure good thermal contact.
>
I'd be interested in the brand and source of this heat press. Any 
other info you could provide would be helpful.

Bill H