> -----Original Message-----
> From: piclist-bounces@mit.edu [mailto:piclist-bounces@mit.edu]On Behalf
> Of Adam stambler
> Sent: 18 January 2007 17:13
> To: Microcontroller discussion list - Public.
> Subject: Re: [EE] PCB printing was: Re: EE Re: Solder Paste Printing
> 
> 
> I think what you really want to do is a ink jet system. This can 
> actually be
> done with current technology by just dropping that molten metal.  
> Already 3d
> printers can print things like titanium and steel.  It shouldn't 
> be that far
> to change that system to print circuit boards in copper.
one thing i've noticed is that conductive pens, expoxys etc tend to be silver based rather than copper based which makes them EXPENSIVE. I don't know what if anything the technical problems with using copper in an ink are though.


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