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应该是13+(N-2),这样算,N代表多少层
! z2 J4 j2 x/ j2 m; E/ V0 B顶层Top (copper) Layer : .GTL
. U+ `* ?7 ~, U& x5 Y7 _1 }2 e# x; g
底层Bottom (copper) Layer : .GBL
1 P9 M* g3 `3 Y9 w% S- ?/ e5 [: A" W: H% b) y& B
中间信号层Mid Layer 1, 2, ... , 30 : .G1, .G2, ... , .G30
* P7 {6 g" o! X& J
3 `. H3 o- ^1 D内电层Internal Plane Layer 1, 2, ... , 16 : .GP1, .GP2, ... , .GP16
! S7 c. I0 ?. r" V _6 D% b7 d q; m8 }/ C% R1 e2 u3 q/ _& D1 k( ]
顶丝网层Top Overlay : .GTO z. ], x+ ^. h l0 Q
2 I: \ _# b6 e0 p7 J1 V* P0 m底丝网层Bottom Overlay : .GBO4 [" v& K, O, n
F A5 r5 Q, J$ a
顶锡膏层Top Paste Mask : .GTP7 p8 n4 S: s3 r4 H$ \4 I3 Z
0 Z: w6 |" _6 {. q+ @# T; V底锡膏层Bottom Paste Mask : .GBP
+ W* S" ]7 f% h( w- ~1 D# b K" ^& L% x& C* M7 B8 a
顶阻焊层Top Solder Mask : .GTS! r+ g" C v( e+ j
|, Q/ c2 e& d& {底阻焊层Bottom Solder Mask : .GBS" \; X0 m+ y( ]: @) ]; T c4 y j
" l7 g/ _$ m, n8 c% O
禁止布线层Keep-Out Layer : .GKO
0 P- T7 @0 {7 V |8 J, W # R0 l' M: C, S& F0 Z. l! Y
0 t" J# _# N3 y- v2 [' Z顶层主焊盘Top Pad Master : .GPT1 T! P6 R* R, V; s" ]0 P/ }7 l. Y
% u7 Y7 p( y: M1 z9 H底层主焊盘Bottom Pad Master : .GPB
* Q. f- g9 O# p- t& h: e1 ^5 h3 B5 j2 I S
5 z' k/ h6 r8 G/ E6 T7 z# H8 h A, [# d9 t
钻孔图层Drill Drawing, Top Layer - Bottom Layer (Through Hole) : .GD1/ d5 D$ S+ ^$ j% n6 u+ I K
0 }$ b: l* Q% h) _+ \- ~Drill Drawing, other Drill (Layer) Pairs : .GD2, .GD3, .... b& i9 B& T( ~, E+ F
- p; Z% h# Q" d0 {4 V$ k& J
9 c$ P1 ]7 J$ d7 A' x
( D. ^: p. m6 C W1 S" L钻孔引导层Drill Guide, Top Layer - Bottom Layer (Through Hole) : .GG1- n8 Z% P' N) x6 z* p8 b
! w2 v! r9 w" v) E* |5 BDrill Guide, other Drill (Layer) Pairs : .GG2, .GG3, ...! D# G( W0 K7 N# p0 H
注:这里面不包括机械层
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