Multilayer PCB Fabrication Development and design of washing machine motherboard
| Number of Layer | 1-60 layers | 
| Board Shape | Retangular,round,slots,cutouts,complex,irregular | 
| Board Type | Rigid, Flexible, Rigid-flexible | 
| Board Material | FR-4 glass epoxy, FR-4 high Tg, Rohs compliant,Aluminum,Rogers,etc. | 
| Board Cutting | Shear,V-score,Tab-routed | 
| Board Thickness | 0.2-4.0mm, Flex 0.01-0.25mm | 
| Copper Weight | 1.0, 1.5, 2.0 oz | 
| Solder Mask | Double-sided green LPI,Also support Red,White,Yellow,Blue,Black | 
| Silk Screen | Double-sided or single-sided in white,yellow,black,or negative | 
| Silk Screen Min Line Width | 0.006'' or 0.15mm | 
| Max Board Dimensions | 20 inch*20inch or 500mm*500mm | 
| Min Trace/Gap | 0.10mm, or 4mils | 
| Min Drill Hole Diameter | 0.01'',0.25mm, or 10mils | 
| Surface Finish | HASL,Nickle,Immersion Gold,Immersion Tin,Immersion Silver,OSP,etc. | 
| Board Thickness Tolerance | ±10% | 
| Copper Weight Tolerance | ± 0.25 oz | 
| Minimal Slot Width | 0.12'', 3.0mm, or 120mils | 
| V-Score Depth | 20-25% of board thickness | 
| Design File Formate | Gerber RS-274,274D,Eagle and AutoCAD's DXF,DWG | 
 