Re: gEDA-user: Exposed copper -- still need to make a pad?

[John Doty <jpd@xxxxxxxxxxxxx>]

On Sep 27, 2007, at 9:28 AM, Randall Nortman wrote:

> I need to make an exposed area of copper (no soldermask), to act as a
> heat radiator.

Why no soldermask? I'll bet its infrared emissivity is better than  
copper's, making a better radiator. In space, the radiator tape we  
use has a thin layer of teflon over the metal for this reason.

>   Last time I checked, the answer was to create a big
> SMD pad.  Is this still a limitation?  It sure would be nice to be
> able to draw arbitrary polygons and set a flag on them to clear
> soldermask.
>
> -- 
> Randall
>
>
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John Doty              Noqsi Aerospace, Ltd.
http://www.noqsi.com/
jpd@xxxxxxxxx




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