Re: gEDA-user: Howto draw copper at free areas?

["Phil Taylor" <phil@xxxxxxxxxxxxxxxxxxxxxxxx>]

9000 Vax,

Is warpage supposed to be a serious problem?  I mean I see radical warping on
CE, UL approved boards all the time.  Not everyone seems to care about this
nuance.  Do you know of any regulations or standards that specify how copper
planes are to be used?

Phil


> 9000 VAX wrote:
> 
> > If your board is a two layer board, you would want to draw copper at
> > empty area such that copper polygons are on both side of the board,
> > symmetrically. Otherwise your board would wrap to the side with more
> > copper.
> 
> Yes, that's why I do this copper filling routinely. With my current pcb
> this is not really a concern, as it is only 70x30mm. But the main
> purpose of this little board is to teach me how to do things with gEDA.
>