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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," Z9 X, Z& l, M; F1 X
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!! `% u1 f( j, R, o9 s
gerber文件本身就记录了各层正、负片的信息
2 J; p) a6 [1 Y5 z图样图森破
! ^6 |6 Q, n5 @2 H5 ~年青人,好好用心学,不要一点简单的问题就叫渣渣' d) c% c, q: a' ]9 _$ j+ w- |
G04 ================== begin FILE IDENTIFICATION RECORD ==================*
q0 J2 I/ M: g4 kG04 Layout Name:
6 K" z9 f% w, C6 @) D3 jG04 Film Name: L2_GND1*
" h9 E6 o6 l* C6 fG04 File Format: Gerber RS274X*8 }, p$ C3 {6 j& O+ W2 d
G04 File Origin: Cadence Allegro 16.3-p003*
: G7 u! J- @% d) q, RG04 Origin Date: ) X6 Y& R+ q! T& e c' }
G04 *' m3 V# N' E* [( f/ {
G04 Layer: VIA CLASS/L2_GND1*
8 e0 i$ x1 C0 t2 Y1 jG04 Layer: PIN/L2_GND1*8 M3 @) h& P: ^
G04 Layer: ETCH/L2_GND1* E( ~ }7 W' W3 k: [( s! I: e
G04 Layer: BOARD GEOMETRY/OUTLINE*
. i9 u B! h2 }/ ~6 h" w* |' BG04 *7 d6 M% j t6 @3 ]2 b
G04 Offset: (0.0000 0.0000)*
; M( M h: J I: \- Q) JG04 Mirror: No*0 R+ B; q( p, ]
G04 Mode: Negative*
) X4 C* n: W/ X! ~: FG04 Rotation: 0*+ q4 w, n% p. @5 e2 @/ R% R
G04 FullContactRelief: No*' C- K3 ]+ l% I3 W2 f
G04 UndefLineWidth: 0.1250*) q' D! b8 B) `0 t4 ` [3 [1 I
G04 ================== end FILE IDENTIFICATION RECORD ====================*
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