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Date:	Sun, 13 Sep 2015 11:33:02 -0400
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From:	DJ Delorie <dj AT delorie DOT com>
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Subject:	Re: [geda-user] Apollon
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> I don't really understand what is the use of a via without copper. Can you
> elaborate?

A plugged via would be used in, for example, via-in-pad design BGA
footprints.  The plug is there to keep the solder balls or paste from
wicking into the via and away from the connection area.

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