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SPECIFICATION OF FPC MANUFACTURING | ||
Material | FR4,Polyimide / Polyester | |
Counts | Flex: 1~8L; Rigid-Flex: 2~8L | |
Board Thickness | Min.0.05mm ; Max. 0.3mm | |
Copper Thickness | 1/3 oz --- 2 oz | |
CNC Drill Size (Max) | 6.5mm | |
CNC Drill Size (Min) | Flex: 0.15mm | |
Holes Location Tolerance | ±0.05mm | |
Coverlay Drill Size (Min) | 0.6mm | |
Hole to Coverlay Opening Windows (Min) | 0.15mm | |
Min Line Width / Spacing | 0.1/0.1mm | |
Copper Thickness on Hole Wall | Flex:12-22μm | |
Min Pad Size | φ0.2mm | |
Etch Tolerance | Finished line width tolerance ±20% | |
Pattern Registration Tolerance | ±0.1mm (Working Panel Size: 250*300mm) | |
Coverlay Registration Tolerance | ±0.15mm | |
Solder Mask Registration Tolerance | ±0.2mm | |
Solder Mask to PAD | Non photosensitive: 0.2mm | |
Photosensitive: 0.1mm | ||
Min. Solder Mask Dam | 0.1mm | |
Misregistration Tolerance | ±0.30mm | |
for Stiffener, Adhesive, Glue paper | ||
Surface Finish | Plating Ni / Au ; Chemical Ni / Au ; OSP |