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可以在tf文件里面定义,也可以自己定义Multipath来做guardring# o, u8 | N6 S
在tf文件里面定义大概格式如下格式,但是有些代工厂的tf自己加了语句上去不起作用7 ~& i3 v- F( f" n# O
( y0 B6 L; w1 X% Y0 ~0 V
lxRules(
1 u8 q+ f, y4 ^8 O7 A- ?$ x* I; H$ t4 L3 o# u
lxMPPTemplates(( V E# U+ m! I* m- G
;( name [masterPath] [offsetSubpaths] [encSubPaths] [subRects] )
( f4 z& G8 O* b, L$ k K;9 d4 K; f4 Y% W1 `% G; h* z! C
; masterPath:) W5 Q) W, g1 \& @5 k- u
; (layer [width] [choppable] [endType] [beginExt] [endExt] [justify]
. i- [$ r! y' l) ~- p! E2 W& z[offset]
' [$ j) w# n& L5 h2 ^6 u7 l0 i; [connectivity])
# S. S; m$ T5 X+ I/ {+ @0 |' [;
3 J6 F; k2 h9 e2 S4 C; offsetSubpaths:0 \4 f, m- E( y1 Q: f" v
; (layer [width] [choppable] [separation] [justification] [begOffset]4 l; d q x( H% |, O
[endOffset]
1 N% I" C G3 [- h' ]5 a3 C; [connectivity])
+ C' n$ S& @" v9 h5 @' Y& I/ u;
, l9 m. } _9 w5 x8 p; encSubPaths:. d" @9 t( h- z/ a$ Y
; (layer [enclosure] [choppable] [separation] [begOffset] [endOffset]
0 n7 _. U" W9 k8 q$ p [" [7 ^* c; [connectivity])
% u8 u4 T+ S4 ];
* N$ ^6 B* G7 I# i, ^ C9 T; subRects:& w. X; w1 B# `" _& K0 ^7 ]2 N0 N" {
; (layer [width] [length] [choppable] [separation] [justification]8 t# L7 [, g8 {; Y: n
[space] [begOffset] [endOffset] [gap]& M% z5 v! ^6 g9 K# _
; [connectivity])
" z7 V1 f) @5 z. y1 l& Z;& H- f1 j& O/ k; W
; connectivity:
& G5 `1 ]0 [0 y$ H; ([I/O type] [pin] [accDir] [dispPinName] [height] [ layer]
" _6 s! u9 I2 i& S' k; [layer] [justification] [font] [textOptions] [orientation]. T6 t& P, x. E* u/ a
; [refHandle] [offset]), J: n( j+ F4 S, Z( e7 y
;
, t" ]$ Q# T4 `; T: v;( ---------------------------------------------------------------------
0 x) H/ \& H$ |; ~; ^5 x; M)7 @6 [. a' z4 e3 H& C# }2 {- ~
' O. X8 S/ }5 f u/ `1 V5 P(PP_RING_ROW_1/ R, n% Q& c5 q! r; P9 b2 Q. Q
(("PIMP" "drawing") 0.46)9 o- h( F! j+ X ]7 k a, M5 g
nil
0 b# q8 ^* r' m5 [* A2 S3 E((("DIFF" "drawing") 0.02)
$ ~& R8 M+ F; u7 b7 x) P4 O4 E(("METAL1" "drawing") 0.06)
- b/ v5 F7 i+ E1 H)
+ O" b T- F0 S& q, O5 w((("CONT" "drawing") 0.22 0.22 t nil nil
) `4 R3 y( Y1 U2 h: ?0.28 -0.25 -0.25)
1 k, p+ c" k. Y8 J. l6 e9 U1 `)
1 X8 V- G b9 o9 [- w9 V)
' ?5 c& X8 Z r, q7 h..... any other MPP define..0 b: T) @7 }' I3 y+ `
..... ....+ F' q5 t; X, \+ H9 _
..... ...# }' B# ^) S9 \* C1 Y0 Z
2 S, C4 F: v; P2 W) ; end MPP
7 L/ y+ l* Y3 ]2 @3 u0 }" e1 k.... other class; ~$ K, W# P2 A B& m# j' e" _& T, V
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