China flex PCB/FPC/FPCA, battery board FPC/FPCA/flex PCB, Find details about China FPC, FPCA from flex PCB/FPC/FPCA, battery board FPC/FPCA/flex PCB
Our main spec. in FPC processing | |||
Material | Polyimide Copper foil | PET Copper foil | Remarks& Test ,methods |
Number of Layer | 1-6 layer | 1-2 layer | |
Min. Line Width/Min. Line Spacing | Single side | 0.075(3mil) | |
Double side | 0.075(3mil) | ||
Min.Hole Diameter | Drilling(P.T.H) | Ø 0.20mm | |
Punching | Ø 0.5mm | ||
Dimension Tolerance | Conductive wire width(W) | ±0.03mm | W≤0.5mm |
Hole Diameter(H) | ±0.05mm | H≤1.5mm | |
Accumulated spacing | ±0.05mm | P≤25mm | |
Outer Dimension(L) | ±0.05mm | L≤50mm | |
Conductive wire and Outer(C) | ±0.075mm | C≤5.0mm | |
Surface treatment | Ni(0.05-2um)/Au(0.05-1.25) | ||
Insulation Resistance | 1000Ω | IPC-TM-650 2,5,3,2 at Ambient | |
Dielectric Strength | 5KW | IPC-TM-650 2,5,6,1 | |
Surface Resistance | 5*1012 | 2*1012 | IPC-TM-650 2,5,1,7 |
Volume Resistance | 1*1015 | 1*1015 | IPC-TM-650 2,5,1,7 |
Dielectric Constant(1MHz) | 4.0 | 3.0 | MIL-P-55617 |
Divergence Coefficient(1MHz) | 0.04 | 0.03 | MIL-P-55617 |
Peeling Strength(180ºC Direction) | 1.0kg f/cm | 1.2kg f/cm | IPC-TM-650 2,4,9 |
Welding strength | 300ºC/10 secs | 210ºC/10 secs | |
Combustion assisting | 94 V-O | 94 V-O | UL94 |