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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
+ {% m+ V5 n& J$ E+ u( C. C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5 p- \. q% \2 Y) U1 H
/ ~, W: h% H& S+ d [& \! ]; R
lxRules(
+ f# V( I; \' v1 t: [8 \$ D4 e7 b2 \$ n" `
6 R) P1 S! O+ \8 x+ {" @2 N$ ylxMPPTemplates(0 n6 T% V- O8 n& g
;( name [masterPath] [offsetSubpaths] [encSubPaths] [subRects] )
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$ |) \' T. C+ v" T/ |) H/ L; masterPath:
1 a: A4 H+ I. k; (layer [width] [choppable] [endType] [beginExt] [endExt] [justify]
* z% r: `9 X: b6 d3 I( O[offset]
/ j @% H9 d6 t% w; [connectivity])' Q4 L2 s2 u9 f% z I; p
;
& X9 Y: B+ s, x+ e' p: P+ n) C8 I; offsetSubpaths:0 D3 N% n; L( Q8 U! e
; (layer [width] [choppable] [separation] [justification] [begOffset]
4 c+ g5 k7 L1 A& M& _. A3 u[endOffset]( [* x4 J8 j/ ~. y# D) Q g8 J
; [connectivity])
; Y& H. U: q+ A2 L) {6 a7 k' s8 a;
; w, I# I3 Z6 o* O2 o0 f7 Y; encSubPaths:
% P% e' g: R4 q5 W: A7 Z% {1 A. M; (layer [enclosure] [choppable] [separation] [begOffset] [endOffset]
6 h& C& r& R% }# P2 U5 O; [connectivity]) |) _3 x" b& n2 I+ Q) G# s
;& c/ p' A3 v. O0 R& t- z
; subRects:
0 i& c& P' n# S( b X; (layer [width] [length] [choppable] [separation] [justification]
( @6 N" ?' l0 d" h[space] [begOffset] [endOffset] [gap]
/ e" p. z: ~ c$ K9 C; [connectivity])
2 [1 D! O; h% F2 Q* l;% O3 z( u7 x7 I$ V a: d
; connectivity:/ @! u5 A! g5 T0 B& s
; ([I/O type] [pin] [accDir] [dispPinName] [height] [ layer]
4 K3 o: o$ ?# `% U; [layer] [justification] [font] [textOptions] [orientation]4 v. X! u4 a5 A( p3 {" g B
; [refHandle] [offset])
8 R+ b" q; C8 R;( H# i# J( T3 |" h" ^
;( ---------------------------------------------------------------------
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+ C; o( x. Q# S' }3 P& a" `4 l. g, r+ R
(PP_RING_ROW_1
2 P8 J. \) X3 v) B( o(("PIMP" "drawing") 0.46)
2 h n7 a6 f8 }( ?2 x+ Onil( x- x5 M3 P3 p" L/ E
((("DIFF" "drawing") 0.02)% a8 _6 o; D2 ]2 \, C- }" B: E
(("METAL1" "drawing") 0.06)
; r: v' [ e' a& J8 T7 J: z2 t" O)
w# ]. g, ^, ^* S- @/ R7 F; N7 \, S((("CONT" "drawing") 0.22 0.22 t nil nil
- I7 Z7 y5 Q! ?0.28 -0.25 -0.25)8 m. ?( c- `% i9 d, e4 V8 E
)
* l7 e( C" r3 ? g8 @ z# s)+ W$ p( x7 T' l4 `0 j
..... any other MPP define..
, e3 x B D$ O. @) f* ?..... ...." f( N0 h: t0 h4 L* u( w9 c( I
..... ...& }* E% Z+ u z5 d
* `2 r( }( j8 U; v1 k( |% {! |; U! p
) ; end MPP
8 D6 ]+ \% O) D' f7 P8 m3 U, v% D.... other class
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