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这种东西就像1+1=2一样,做PCB的扫一眼看就知是正片还是负片,
8 Y% \+ P% ~2 J) q d你用cam350看不出正负片,就以为cam350不知道是否正负片,这种逻辑太可笑了!, x( O% C( X: Z0 l
gerber文件本身就记录了各层正、负片的信息7 W! f. n4 N2 z: t
图样图森破
4 s6 m% \- v, D+ C# M年青人,好好用心学,不要一点简单的问题就叫渣渣
% I" q& A, G( h1 K( v) E* l' o9 IG04 ================== begin FILE IDENTIFICATION RECORD ==================*& L, {7 m5 U! k; @2 |4 e ~& k
G04 Layout Name: # y& d0 m4 t6 S, \
G04 Film Name: L2_GND1*
0 x/ o6 M& O+ x9 \8 E) E6 i4 j' LG04 File Format: Gerber RS274X*% i; g( o! Z1 g0 P: J: S8 B! s& Q, b
G04 File Origin: Cadence Allegro 16.3-p003*
7 \! {/ P. w) C3 IG04 Origin Date:
* q: `, c% K9 j* uG04 *
' u! E: Z8 g. B& ]) I) f' UG04 Layer: VIA CLASS/L2_GND1*
8 f2 h+ F' M1 m0 @- n+ T4 X7 bG04 Layer: PIN/L2_GND1*
/ @" x3 M& q6 |. lG04 Layer: ETCH/L2_GND1*" D R8 P; |2 d- [9 Z: A
G04 Layer: BOARD GEOMETRY/OUTLINE*+ H8 p- R" |% Q3 J+ K
G04 *. y3 @, R' G! W7 K; ] p( Y9 c
G04 Offset: (0.0000 0.0000)*/ K! e3 ]. G, u
G04 Mirror: No*
, c( E2 D$ l, G: H# z4 BG04 Mode: Negative*6 x) u- _. z. w A/ ^4 C
G04 Rotation: 0*2 U9 b I9 C, l: ]
G04 FullContactRelief: No*& D# v* q k) E% X* y2 S
G04 UndefLineWidth: 0.1250*
; S/ G# J; l7 E# m: U NG04 ================== end FILE IDENTIFICATION RECORD ====================*
: G u v- [# v: M# p {9 w
+ @; J3 N [/ R% _$ _ |
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