kicad-developers team mailing list archive

[Seth Hillbrand <seth@xxxxxxxxxxxxx>]

Hi Andy-

You don't provide enough information to help you here.  You'll need to show
a larger image of your board with other layers enabled and, ideally set
with some transparency so that we can see what's happening.

Connectivity _only_ applies to copper.  So the paste-only pads shouldn't
have any connections unless you also made them copper.  Did you follow
Rene's instructions on the user forum?

-S

Am Sa., 14. Juli 2018 um 14:00 Uhr schrieb <devel@xxxxxxxxx>:

> I'm on yesterday's unified package of 5.0.0 rc3 on a mac.
>
> Following my question about why the footprint editor wouldn't let me
> create an arbitrary shape for a solder-paste-mask pad, which was not
> actually answered but the workaround was actually what I wanted (and I
> figured out what I was doing wrong, the pad shape has to be set to Custom),
> I went and edited my footprint in place to add the paste-mask-only pads (no
> copper layer). They're called aperture pads, I believe, and the footprint
> looks as shown in QFN-paste.png.
>
> Then I save it back to the layout, and I get a few connection errors, on a
> board which was fully routed. The connection errors refer to traces which
> now want to connect to those new aperture pads. I don't know why this
> should happen, and I don't know how to fix it! It seems like the
> connectivity is borked. I know about the change in the clearances (from
> http://kicad-pcb.org/blog/2018/05/Mask-Clearance-Generation-Changes/) but
> that doesn't seem to apply here, as it's a connectivity issue. This is
> shown in QFN-DRC-fail.png.
>
> I'm willing to believe that I did something wrong, but what!
>
> Thanks ...
>
>
>
>
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