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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/ K9 n7 I, I: k- J; | 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
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lxRules(
7 s! ?; l9 L6 E' h: C+ i; ?! b1 r Y- R0 }% a2 H) D' H
lxMPPTemplates( f4 E8 v" t, D. \7 p2 v6 e
;( name [masterPath] [offsetSubpaths] [encSubPaths] [subRects] )& h+ Z- @1 ?( N/ B9 O: G
;5 X7 l# e% w5 }* o6 ?- i( {
; masterPath:/ f! L# |9 b$ c! g) I6 z& h! T
; (layer [width] [choppable] [endType] [beginExt] [endExt] [justify]
7 j9 o3 O# n4 Y[offset]
; V8 J r# ?( [; [connectivity]); J, B5 z% H# J+ b, S0 Y2 Q
;
6 q3 }; N$ T) y! z9 N3 ]6 F; offsetSubpaths:
( N9 }, Z- Y7 I8 E& I) c; (layer [width] [choppable] [separation] [justification] [begOffset]
5 p, q- I& ]6 ~% e' k/ r[endOffset]1 @) ^- A. Y7 [- h2 \# @/ Y v1 @
; [connectivity])0 P( H$ |3 U0 H5 j# k5 `) I
;
$ D( g) n. W! C/ T; encSubPaths:2 d: _, M/ ~, v, x" A% Z' F f4 X
; (layer [enclosure] [choppable] [separation] [begOffset] [endOffset]
7 r$ G# L; b3 T; [connectivity])
3 p1 X3 Y+ I+ U' j: O' j) H;
7 @* N8 `& A1 L/ b1 {* A9 ^; subRects:& t! [1 ~7 e9 G7 A; T
; (layer [width] [length] [choppable] [separation] [justification]
* }8 n" A. r3 W7 E[space] [begOffset] [endOffset] [gap]
7 v9 t2 y$ _& {. S0 k; [connectivity])8 J3 m! R) \9 f" ~6 ?/ z. Q0 Z
;
4 j- r7 x+ i, x1 H; connectivity:" Z1 r$ _9 e% P( L& i/ k/ f
; ([I/O type] [pin] [accDir] [dispPinName] [height] [ layer]- E- c. U/ h2 A; v& Z
; [layer] [justification] [font] [textOptions] [orientation]
; z7 {6 b: T5 K) r7 n2 ]/ c& p; [refHandle] [offset])
, B9 H r8 m- r. C1 u2 w/ O6 y; c9 }! _0 p7 g# f) ^- k3 l
;( ---------------------------------------------------------------------
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' ]; ~( N1 Q& V# ]$ o1 B6 K
(PP_RING_ROW_1
8 K7 O+ Y' Q- S, r" H7 O; e(("PIMP" "drawing") 0.46)& K$ Z- b+ c+ P& |4 W5 V$ T
nil( E- r& h2 k9 J3 w0 Y. m0 e9 h
((("DIFF" "drawing") 0.02)
$ v% |( o9 t {# V i(("METAL1" "drawing") 0.06)
8 [* h8 K; P& I- {)
4 j4 U' Q. x& X' V* V3 c( Z: S9 U((("CONT" "drawing") 0.22 0.22 t nil nil/ ~+ v$ C' r! v4 K+ u
0.28 -0.25 -0.25)
$ a& ^1 f O" l- v)
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..... any other MPP define..2 _0 P3 D# O% B
..... ....8 X1 m" y' h4 n- |/ i9 E! i
..... ...
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# q9 Z7 E, U: o! e% f) ; end MPP' Q/ z, u7 Y7 k6 G( F
.... other class
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