Re: gEDA-user: transition of pcb internal units to metric (SI, mm)

[John Doty <jpd@xxxxxxxxx>]

On Feb 7, 2011, at 2:05 PM, Markus Hitter wrote:

> Isn't a nanometer pretty big when doing chip design? Others might have more/any experience in this area.

I doubt PCB will ever be a suitable tool for chip design.

1 nm is good enough for models that assume materials are continuous and homogeneous. Atomic radii are typically ~0.1 nm, so this model isn't very accurate at the 1 nm scale: you need to account for the granularity.

John Doty              Noqsi Aerospace, Ltd.
http://www.noqsi.com/
jpd@xxxxxxxxx




_______________________________________________
geda-user mailing list
geda-user@xxxxxxxxxxxxxx
http://www.seul.org/cgi-bin/mailman/listinfo/geda-user