Issue link: https://iconnect007.uberflip.com/i/1327102
56 DESIGN007 MAGAZINE I JANUARY 2021 Blind/Buried Via Stackups For a blind or buried via stackup, you will want to remember a few things if you want to be able to send the stackup to just about any fab shop (Figure 2). Most fabricators can do blind/buried vias, but some have constraints on what they can do based on their process. First, try to make the blind vias terminate on a plane layer, such as a GND or PWR layer or even a split plane, not a signal layer. (See the Figure 2: Typical blind via stackup.