[Author Prev][Author Next][Thread Prev][Thread Next][Author Index][Thread Index]

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



On 3/10/06, Phil Taylor <phil@xxxxxxxxxxxxxxxxxxxxxxxx> wrote:
>
> 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?

Not serious. People usually don't notice. But I want my board to be
perfect. At least I need to have good reasons to justify the
non-perfectness. I don't know of any regulation.

vax, 9000

>
> 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.
> >
>
>
>
>
>
>