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应该是13+(N-2),这样算,N代表多少层& v% o' E a* w1 x, S9 t# Y+ ?
顶层Top (copper) Layer : .GTL
, O8 q7 H9 B# A2 R: Z8 |# s6 l6 H" F* H' |5 t+ N, m- x( U+ a) W
底层Bottom (copper) Layer : .GBL: N+ Q# E0 }! `9 z4 [
+ E7 |+ K9 `. ~5 ~ |中间信号层Mid Layer 1, 2, ... , 30 : .G1, .G2, ... , .G30
- o$ B7 [; Z5 ?+ F `0 G' m8 G" I* Q
内电层Internal Plane Layer 1, 2, ... , 16 : .GP1, .GP2, ... , .GP16
2 c; P. p# T- t" L5 e$ M; W
+ B8 ~/ i5 ^1 B0 g& @3 h顶丝网层Top Overlay : .GTO/ y. D# S Q$ {/ F+ H
7 R( @. Y; S% [底丝网层Bottom Overlay : .GBO
5 k$ M) A+ b3 l
7 ]; s2 P7 y) k% k- K顶锡膏层Top Paste Mask : .GTP5 T# ~1 O. y' M; W, p
6 K0 z" P8 i7 d3 ?5 K$ T
底锡膏层Bottom Paste Mask : .GBP
- D' K/ @+ q" g/ }
0 d4 V0 x, L+ }! g顶阻焊层Top Solder Mask : .GTS
# n) f% P' K& q8 }
) l/ L& w4 @) v/ s底阻焊层Bottom Solder Mask : .GBS
1 `4 w+ ~$ f# J1 ^# B7 V9 ~. \7 n7 t& J5 f9 T
禁止布线层Keep-Out Layer : .GKO
' ?% o$ n" C' Y# }& c6 v$ K3 p
+ N3 d0 |& {4 k9 `: y
9 `6 o& d h) [/ y& |/ h顶层主焊盘Top Pad Master : .GPT3 T# W# `# d. B7 I4 u5 L3 u% j
9 s5 Y3 x1 R* U% u8 t+ U% K6 N底层主焊盘Bottom Pad Master : .GPB/ ^, T7 k S; Q' o& p
4 ], k4 w* J/ [: S2 d" E. v) I
* [* p# f5 q2 V1 j
! a }" [1 l, j5 Y4 l钻孔图层Drill Drawing, Top Layer - Bottom Layer (Through Hole) : .GD1
7 o; c" a8 q6 P+ U" F7 L0 v; U: O* \! x
Drill Drawing, other Drill (Layer) Pairs : .GD2, .GD3, ...( T0 q4 v! r0 R5 t( `5 H
! J; Z' o# L1 i0 }9 {. n % x3 k7 B# P, k6 N3 {) x
( y+ y; }) E5 U& O: [钻孔引导层Drill Guide, Top Layer - Bottom Layer (Through Hole) : .GG1
3 g# i9 }; s5 a
' ?% j7 W# X3 d, K, C, q z& ADrill Guide, other Drill (Layer) Pairs : .GG2, .GG3, ...$ D: F9 `- E" h0 @2 f
注:这里面不包括机械层
) }& C& V9 [5 Z4 u! H |
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