I have worked in the electronics industry for over a decade and this is the first time I&#x27;ve ever heard the phrase &quot;vertical interconnect access&quot;, so I suspect it&#x27;s a backronym.<p>Looks like some others at Wikipedia are similarly surprised:<p><a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Talk:Via_(electronics)" rel="nofollow">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Talk:Via_(electronics)</a>