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Subject: Re: [Homebrew_PCBs] can i use a shirt printing machine for transferring layout?

From: Stefan Trethan <stefan_trethan@...>
Date: 2004-02-22

On Sun, 22 Feb 2004 19:01:56 -0000, mumin55555 <MUMIN55555@...>
wrote:

> hallo!
>
> can i use a shirt printing machine for transferring layout using pnp
> paper? its an electrical big heated metal plate that is pressed down
> with a handle.
> will it work?
>
> mumin
>
>
simply try it (if you have the machine already).
there are only three important parameters:
a) temperature (some 160 or 180 degee C would be good, around 120 with
low-meltig toners)
b) pressure (no idea how much in numbers)
c) evenness
is the plate completely flat, is the pcb completely flat, will the
pressure be even also if
the toner coverage changes, and what about edges compared to center?

you see the only simple thing is checking the temperature.

you can try some soft material, like heat resistant rubber or clothes
under the pcb to
even out the pressure (the pcb flexes, especially when hot).

i think it could work.
try it and tell us.

ST