https://devzone.nordicsemi.com/f/nordic-q-a/66971/nrf9160-blind-viasHi. I&#39;m designing a board like Thingy:91 for sensor driving based on nRF9160. In Thingy:91 Hardware files, the PCB has many blind vias. The production of HDI PCBs is very expensive so is there any necessity to use blind vias for ground planes? Can I useen-USTelligent Community 13Mon, 12 Oct 2020 13:53:39 GMThttps://devzone.nordicsemi.com/thread/274360?ContentTypeID=1Mon, 12 Oct 2020 13:53:39 GMT137ad170-7792-4731-bb38-c0d22fbe4515:21b83979-c04a-4ae2-8078-2df950675890Navid<p>Thanks</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/274289?ContentTypeID=1Mon, 12 Oct 2020 11:35:41 GMT137ad170-7792-4731-bb38-c0d22fbe4515:6e187989-96f9-4017-8921-9bd984f4bfc9ketiljo<p>No need for blind vias. Just make sure the grounding is good, i.e you use enough vias.&nbsp;</p><div style="clear:both;"></div>