# e$ B7 {: K" U! A N- w我查的是 Blind vias 盲孔,Buried vias 埋孔$ r |/ G: {$ e+ U6 d& V/ @
Blind vias — Vias that pass through an outer layer and connect to an inner layer.. S' P- f- \2 D. o' t1 ] m
Buried vias— A partial via that passes through only the inner layers., j% E! B- ? j0 G1 F% q) N4 P
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