Vias: Blind, Buried and Beyond



The Z-direction on a PCB multi-layer is remarkably restrictive. We do not draw copper from one layer to the next. We must make use of a copper structure called the via. Over time, to accommodate small components and densely populated boards, more via options have been made available.

In this video, we will discuss:

  • Sanity check - Make sure that the desired via type works with the stack up
  • Annular rings - the equation to ensure the right fit/hit
  • Explore non-traditional vias types - microvias, back drilled vias, vias-in-pad
  • Documentation - what automatically gets generated and what needs to be provided as a fabrication note







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