Routing Via Style

Example eight layer board with Micro, Buried and Through Vias using Start and Stop layer rules.


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Microvias

((StartLayer = 'L1 - TOP') AND (StopLayer = 'L2 - GND PLANE')) or ((StartLayer = 'L7 - ROUTES HORZ') AND (StopLayer = 'L8 - BOTTOM - GND')) 

Buried Vias

(StartLayer = 'L2 - GND PLANE') AND (StopLayer = 'L7 - ROUTES HORZ')       


Thru Vias

Example using Drill Pairs

Microvias

Related Video:

Altium Designer Tutorial: Working with vias and multiple layers - YouRepeat

That's it!