My suggestion would be to just dump the old libraries. Why build new boards with obsolete land patterns.
Steve Meier DJ Delorie wrote: >> The current resolution of pcb being 0.01 mills which translates to 254 >> nano meters (~1/4 of a thousandth of a mm) should meet the requirements >> for printed circuit boards for some time (metric or english). >> > > The problem isn't what pcb supports now, it's what pcb used to > support. We used to support only 1.0 mil resolution, and chunks of > our library are still defined at that resolution, even the metric > parts. Which means fine-pitch metric parts don't have consistent pad > widths, due to rounding. Gerber output normally goes to higher > resolutions anyway, so a metric footprint that's always kept in 0.01 > mil mode (hi res) won't suffer the same rounding errors as one that's > been rounded to 1.0 mil resolution. > > > _______________________________________________ > geda-user mailing list > [email protected] > http://www.seul.org/cgi-bin/mailman/listinfo/geda-user > > _______________________________________________ geda-user mailing list [email protected] http://www.seul.org/cgi-bin/mailman/listinfo/geda-user
