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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. M' l8 ?6 x" T: I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
* O+ l+ i% y {- P) h0 i- v3 `; f# W$ b Y W$ w
lxRules(* H ?+ E4 O: J) W, n
$ w8 l1 H$ i6 E2 V. s) PlxMPPTemplates(9 h1 d6 o! }8 ]# ^* R7 Y: }
;( name [masterPath] [offsetSubpaths] [encSubPaths] [subRects] )& T% w9 M8 l8 p7 q. a* v* n3 W6 k' D
;
4 p; ~0 z. U! p. a! _4 m: A9 p G" v; masterPath: }! m( [5 G P" J
; (layer [width] [choppable] [endType] [beginExt] [endExt] [justify]
+ M$ k8 X3 g$ b0 ?. T8 O[offset]1 ^1 \3 ~+ `* [ V; Z5 Q
; [connectivity])
- ?' K4 E+ v. W9 r8 ]. f;! i a4 y0 G& S# E2 t; r2 ]4 l
; offsetSubpaths:! x- _" w2 W' Z- Y$ @
; (layer [width] [choppable] [separation] [justification] [begOffset]4 H7 c; ?2 M/ M& z4 |' }
[endOffset]
* l# ~- j1 B9 ]% b+ h) ?3 \" h" X) E; [connectivity])
I9 N7 `% [: k/ T( J! k;
) a9 ?0 M+ _! ~ T9 {% [ t; encSubPaths:
( m/ Q2 [ I1 d+ P; (layer [enclosure] [choppable] [separation] [begOffset] [endOffset]
/ E. q9 r, {* Q; [connectivity])
- n# i, _6 }7 f. t, w( z;
: i5 }; u l/ B/ v4 G( J9 @/ A8 L; subRects:) e) l7 K4 ]' S9 z
; (layer [width] [length] [choppable] [separation] [justification]
2 `, ~* l" u' E8 V[space] [begOffset] [endOffset] [gap]; [9 x9 q- g. h
; [connectivity])
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9 M% {0 y0 X' F0 p8 s1 e$ b8 E' f; connectivity:2 {2 g) _* R( _2 z" r; y( t
; ([I/O type] [pin] [accDir] [dispPinName] [height] [ layer]; W a. }) V- R; i8 e9 B$ I1 X
; [layer] [justification] [font] [textOptions] [orientation]
6 Q( N" t( _1 c; [refHandle] [offset])
+ _2 B' ?% A w;8 x1 f8 m3 e. B* h* x- f
;( ---------------------------------------------------------------------
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(PP_RING_ROW_1
. I' r- ?! M7 R* X' |(("PIMP" "drawing") 0.46)
5 I7 X" E) q7 E$ Gnil
' G! M4 K$ Z8 o- Q((("DIFF" "drawing") 0.02)5 [* O6 t& J- t: D
(("METAL1" "drawing") 0.06)# m! G8 V) h6 \, X% `
)' T$ X7 N% I6 `' ^
((("CONT" "drawing") 0.22 0.22 t nil nil9 m L* }: G! y3 H, }
0.28 -0.25 -0.25)5 S6 O6 F- G! F% m$ T3 L
)
6 A: U' i- B( ~; B& A& @, i3 \# q)
n& j) X2 E9 f6 l- m, ^..... any other MPP define..2 U1 ]1 V+ G# i
..... ....3 T* P, u2 V2 t; q
..... ...# f# {1 u) R) }$ h. V6 Y! C
) c4 B' B ]7 g* M5 z( @! E5 S) ; end MPP1 ]) G# [5 I. a& _" ]1 H0 e8 H
.... other class8 F/ Q; u' q, A4 f0 R
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