本帖最后由 jen 于 2016-9-1 14:40 编辑 * |& u, W- W. Y$ U 9 a* ^: W4 c; G& j& O" _請問' I6 o2 N3 S+ m, G! E% ?# S+ V
backdrill --> 就是盲孔嗎?) v9 |6 v: }! ]' \/ v8 [, o7 _6 M
; Q# e3 ^4 X# B! }我查的是 Blind vias 盲孔,Buried vias 埋孔1 x0 V0 t6 `0 T8 Y! a& y4 ]
Blind vias — Vias that pass through an outer layer and connect to an inner layer.6 K; c! h/ I' b
Buried vias— A partial via that passes through only the inner layers. ) t" l6 w: i. F- O4 S. ~8 c3 ]7 Z# j