Homebrew PCBs

On Thu, 30 Nov 2006 05:39:47 +0100, Eugene Michael <eugenemic@...>  
wrote:

> Hello,
> I am making a board using the toner transfer method, using the Staples
> 471861 glossy paper.  I am laying this out with the EagleCAD
> application.
> What I am wondering is what kind of trace width I can reasonably
> expect to be able to render with acceptable results.  I'm probably
> looking at about 25 or 50 mils right now, and would appreciate any
> input into what widths you are able to go down to using the
> paper/toner transfer method.
> Thanks,
> Mike


The limit is about 6.66mil (odd number comes from DPI), more becasue of  
undercutting than the TT itself.

<http://trethan.at.tf/pub/img1/PCB2.JPG>

of course it also depends on printer resolution and probably about a  
zillion other factors, but that's what i use.


ST