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Re: KiCad LIbrary Convention update 1.1

 

The ECO layers are not paired. When you flip a footprint, the value stays
on the same ECO layer. Jean-Pierre, how is that a problem if the value is
purely for user reference?

On Sun, Sep 11, 2016 at 9:26 PM, Jean-Paul Louis <louijp@xxxxxxxxx> wrote:

> in 40+ years of electronic manufacturing, I almost never saw values in
> silk screen.
> RefDes are fine for sparse boards, but useless with very dense boards.
> Values could be on some user layer, or maybe in one of the ECO layers.
>
> Just my $0.02,
> Jean-Paul
> N1JPL
>
>
>
>
> > On Sep 11, 2016, at 6:00 PM, Oliver Walters <oliver.henry.walters@gmail.
> com> wrote:
> >
> > What if we set it invisible by default, and on the F.SilkS layer? That
> way the fab houses don't have to deal with it, and if any users want to
> display it, they just have to toggle the visibility.
> >
> >
> > On 12 Sep 2016 07:52, "Carl Poirier" <carl.poirier.2@xxxxxxxxx> wrote:
> > Hi Jean-Pierre,
> >
> > I had not noticed this, thanks. The general consensus seems to be that
> values are not useful on the silkscreen layer. The comments from the
> assembly house reported by Vesa say the same. Maybe it would simply be
> better to leave the value field blank by default?
> >
> > Carl
> >
> > On Sun, Sep 11, 2016 at 7:00 AM, jp charras <jp.charras@xxxxxxxxxx>
> wrote:
> > Le 11/09/2016 à 04:01, Carl Poirier a écrit :
> > > Hi folks,
> > >
> > > Following comments
> > > <https://forum.kicad.info/t/why-are-the-kicad-library-
> conventions-non-ipc-compliant/3678/65> on
> > > KiCad's forum about the KLC, I went on to make a few adjustments to
> the KLC. They can be seen here
> > > <https://github.com/KiCad/kicad-library/issues/687>.
> > >
> > > Do any of you have comments about the changes?
> > >
> > > Regards,
> > >
> > > Carl
> > >
> > >
> >
> > Yes, for this change:
> > "10.4: Value is filled with footprint name, has a height of 1mm and is
> placed on the Eco1.User"
> >
> > Value can be put only on a paired layer (currently only Fab or Silk for
> a text) like any graphic
> > item of a footprint in a footprint library.
> > ECO1 layer is not paired with ECO2 layer.
> >
> > It means all flipped footprints will have a broken value text if on ECO1
> layer.
> >
> > The "old" 10.4 rule is the only one possible option.
> >
> >
> > --
> > Jean-Pierre CHARRAS
> >
> >
> > --
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