How is it done on the Drum.  I thought they were metallic also.  I also
wonder how they have different magnet moment polarities so close together on
a Hard drive platter.

Justin

-----Original Message-----
From: Dale Botkin [mailto:dale@BOTKIN.ORG]
Sent: Tuesday, 12 November 2002 22:45
To: PICLIST@MITVMA.MIT.EDU
Subject: Re: [EE]: Printer to PCB?


On Tue, 12 Nov 2002, Richards, Justin P wrote:

> 1. How do they originally get the copper to stick to the board.
>
> 2. In a laser printer do they statically charge the drum so it picks up
the
> toner.  If so perhaps the copper could be charged. Using a laser out of
one
> of the $25 to discharge the copper areas to be removed.  Then dusted,
heated
> then etched... starting to sound a little involved perhaps

Especially considering the apparent difficulty of convincing certain areas
of a large sheet of conductive copper sheet to assume a significantly
different electrostatic charge potential than adjoining areas...  I'd
really like to see you figure that one out!

Dale

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