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应该是13+(N-2),这样算,N代表多少层
1 r0 F/ G& ^( l- x% ^顶层Top (copper) Layer : .GTL: D2 @( O5 t. Y) O ]' g
6 O& j# C, ^; F% U, t: Q
底层Bottom (copper) Layer : .GBL
6 S5 x z8 a1 L7 z$ D6 i8 }# j. M1 z$ }: Z
中间信号层Mid Layer 1, 2, ... , 30 : .G1, .G2, ... , .G30
! i! F( b- s5 W. Z6 W( \) |3 S9 V
内电层Internal Plane Layer 1, 2, ... , 16 : .GP1, .GP2, ... , .GP16% } ? X0 \5 p0 _% y6 n4 k; M- I1 ^
# _5 u! I# k) B- L0 [! c. t& O
顶丝网层Top Overlay : .GTO, S1 z9 P( X( J1 ?
* w- F1 ]9 N0 ?/ R3 K: U底丝网层Bottom Overlay : .GBO
' f0 b5 U+ T9 Z/ T, O" \' W% y$ \( C1 Z5 T" P! T8 c+ F q. O3 i; t
顶锡膏层Top Paste Mask : .GTP6 A) ], i9 L7 K8 t# u$ m0 b% x
, S! a! Y# l+ `底锡膏层Bottom Paste Mask : .GBP% n7 d* T; K' ]* ^- o
3 i# K$ E, J. p
顶阻焊层Top Solder Mask : .GTS" F2 T$ O" t$ O
: ^; @* M2 F' ?1 x底阻焊层Bottom Solder Mask : .GBS, V, X. o7 ]7 q! T* o
8 t# [$ x2 k f5 u m) ^% q$ `$ f( Y w
禁止布线层Keep-Out Layer : .GKO
9 Q) N2 s/ S: W ( N& P; _6 |; P3 F/ K! E
! V" a' [0 P5 `9 {8 x! A- i, [顶层主焊盘Top Pad Master : .GPT: s: {. Q, C. E# n2 a) E
. ]5 ~ K, n/ C& H2 b
底层主焊盘Bottom Pad Master : .GPB3 `# p% [% H- Y0 N
3 ?- M1 X& o* x9 F; c
' A) L$ b2 g T+ X- B* r: l
- C: J9 x4 t# y钻孔图层Drill Drawing, Top Layer - Bottom Layer (Through Hole) : .GD17 o8 Q1 @8 D3 T" z8 K$ y. x
0 _5 N# Y v2 _9 n
Drill Drawing, other Drill (Layer) Pairs : .GD2, .GD3, ...1 X# T6 {' y6 ^" h# `2 u
9 z3 M2 P( l/ @6 u9 Q" D
9 N' y! {" {) N% i' \% S/ H7 h# F9 } Y
钻孔引导层Drill Guide, Top Layer - Bottom Layer (Through Hole) : .GG1
# o+ q% O9 ]1 h# N1 ~3 w$ G3 I: f m! ~( {3 I* `
Drill Guide, other Drill (Layer) Pairs : .GG2, .GG3, ...+ @1 ?6 |$ b3 H
注:这里面不包括机械层
' J" Y" M7 w( G- V* B6 M0 L |
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