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Subject: Re: [Homebrew_PCBs] Re: PCB DESIGN industry standard

From: "Steve Wiseman" <sjwiseman@...>
Date: 2007-11-14

On 13 Nov 2007 18:33:42 -0500, DJ Delorie <dj@...> wrote:

> "Steve Wiseman" <sjwiseman@...> writes:
> > Do you have links for complex stuff?
>
> The really interesting boards are all NDA. I have them so I can fix
> pcb bugs. Suffice to say, one of them was the reason PCB can do more
> than 16 layers.
>
> > Then again, my first real gEDA project ought to be a toy, rather than
> > a 12-layer 4-thou uBGA monstrosity, I guess :)
>
> 12@4 isn't that hard for PCB. I think the prime factor at the moment
> is how "busy" your ground/power planes are, because of how we manage
> polygons.

OK, cheers. Sounds like it's time for another try, once this
rush-job's out of the way. Where's a good place to hang out for
support & tips on geda?

Steve