|
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 ~" N9 |) I3 _: a% P" k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!$ n0 N( N( ? \+ c! j9 n! P& I9 B: ~* _
gerber文件本身就记录了各层正、负片的信息
: F. b" r, {$ v% y, ` p) w$ e& O图样图森破, o5 d" J; @5 G A
年青人,好好用心学,不要一点简单的问题就叫渣渣" s2 ]( i( ]9 E. ?+ S- w5 C
G04 ================== begin FILE IDENTIFICATION RECORD ==================*
& B$ o/ V/ I+ E) w: k3 SG04 Layout Name: / Q2 b. N4 d1 B9 S, S% h
G04 Film Name: L2_GND1*
1 H; o1 \' E( ~. b6 y2 MG04 File Format: Gerber RS274X*
! Z2 |( K2 b) m$ F4 wG04 File Origin: Cadence Allegro 16.3-p003*
" n7 x5 I8 Q+ OG04 Origin Date: 8 |& S3 P/ m( y7 X7 n* ~7 D, W
G04 *4 m9 G( j0 r; L) Q( ^+ F( \
G04 Layer: VIA CLASS/L2_GND1*
) M( A) `/ J7 f* S8 \; xG04 Layer: PIN/L2_GND1*
( b- \1 d$ \4 IG04 Layer: ETCH/L2_GND1*9 X& b1 k# j8 e W
G04 Layer: BOARD GEOMETRY/OUTLINE*4 C: a$ N( Z4 m9 U- ?8 x
G04 *7 c" W0 o( t6 L0 x7 V) K
G04 Offset: (0.0000 0.0000)*8 y* G% Y4 L& E8 y) V$ x6 C
G04 Mirror: No*& G& [/ @# Z- K
G04 Mode: Negative*2 ^# B4 E6 o1 U: L
G04 Rotation: 0*
" `9 j4 W) ?# C8 J4 @- c. M3 GG04 FullContactRelief: No*
* U9 p( e) y" K) \G04 UndefLineWidth: 0.1250*
2 _1 j! T& _6 p& L( R$ m/ nG04 ================== end FILE IDENTIFICATION RECORD ====================*
# W/ {. C6 v9 K% K
, M4 X; L) Q( ^% @1 U) J% e, a4 L |
|