由Protel2004产生的Gerber文件各层扩展名与PCB原来

8 t tt 8.c o m

Layer : File extension
顶层Top (copper) Layer : .gTL
底层Bottom (copper) Layer : .gBL
www.8ttt8.com信号层Mid Layer 1, 2, ... , 30 : .g1, .g2, ... , .g30
内电层Internal Plane Layer 1, 2, ... , 16 : .gP1, .gP2, ... , .gP16
顶丝印层Top Overlay : .gTO
底丝印层Bottom Overlay : .gBO
顶掩膜层Top Paste Mask : .gTP
底掩膜层Bottom Paste Mask : .gBP
Top Solder Mask : .gTS
Bottom Solder Mask : .gBS
Keep-Out Layer : .gKO
Mechanical Layer 1, 2, ... , 16 : .gM1, .gM2, ... , .gM16

Top Pad Master : .gPT
Bottom Pad Master : .gPB

Drill Drawing, Top Layer - Bottom Layer (Through Hole) : .gD1
Drill Drawing, other Drill (Layer) Pairs : .gD2, .gD3, ...

Drill Guide, Top Layer - Bottom Layer (Through Hole) : .gG1
Drill Guide, other Drill (Layer) Pairs : .gG2, .gG3, ...