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References: <5CCF512C-E056-45DF-9C88-944406D6FBDD AT ece DOT orst DOT edu>
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From: "Erich Heinzle (a1039181 AT gmail DOT com) [via geda-help AT delorie DOT com]" <geda-help AT delorie DOT com>
Date: Tue, 27 Apr 2021 16:55:48 +0930
Message-ID: <CAHUm0tOQeLtKnUzL2G3gxjQbEkv10BQkmFTKXStSWmXyh5xyVg@mail.gmail.com>
Subject: Re: [geda-help] via in pad needs tenting...how?
To: "Vladimir Zhbanov (vzhbanov AT gmail DOT com) [via geda-help AT delorie DOT com]" <geda-help AT delorie DOT com>
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Reply-To: geda-help AT delorie DOT com

pcb-rnd allows you to decide if you want a solder mask aperture or not
for any given via (padstack) by defining a suitable shape in the
corresponding padstack prototype.

Also, pcb-rnd now allows distinct via (padstack) types (prototypes) to
be associated with individual route styles ( i.e. see
https://archive.org/details/pcb-rnd-octa-via )

If all of your vias are identical, a fab may assume you want them
untented, or conversely, may assume you want them tented. I have had
the same gerbers exported from gEDA PCB come back tented on one
occasion, untented on another, possibly from different fabs.

On recent orders with gerbers exported from pcb-rnd, Seeed Studio
checked if I wanted particular vias or mounting holes tented or not,
i.e. checking that the solder masks were to be done as
requested/defined in the gerbers.

Regards,

Erich

On Tue, Apr 27, 2021 at 3:13 PM Roger Traylor (traylor AT engr DOT orst DOT edu)
[via geda-help AT delorie DOT com] <geda-help AT delorie DOT com> wrote:
>
> Folks,
> I have an RF part that needs five vias inside its bottom pad.  I’ve inserted the vias
> but the were not tented to my surprise.  Is there a way to tent vias that are inside
> a footprint's center pad?
> Thanks in advance,
> Roger Traylor