RA Foils for FPC
RA Foils for FPC
Dimension Range:
Copper Foil thickness from 12~100µm can be supplied for FPC.
Width can be made according to clients'requirement up to 650mm.
Performances:
High deflection;
Even and smooth foil appearance.
High flexibility and extensibility
Good fatigue resistance
Strong antioxidant properties
Good mechanical properties
Applications:
Flexible Copper Clad Laminate(FCCL), Fine Circuit FPC, LED coated crystal thin film.
Features:
The material has higher extensibility, and has a high bending resistance and no crack.
Table 1:FPC T2 high flex rolled copper foil properties (GB/T5230-2000,IPC-4562-2000)
Item | Unit | Parameters | ||||||
12μm | 18μm | 25μm | 35μm | 70μm | ||||
Mass per unit(±5) | g/m² | 107 | 160 | 300 | 400 | 445 | ||
Cu+Ag | % | ≥99.99 | ||||||
Temper |
| H | O,H | O,H | O,H | O,H | ||
Surface Roughness | Rz | μm | 0.4 | 0.5 | 0.7 | 0.74 | 0.76 | |
Tensile Strength | Nomal Temp./23℃ | N/mm² | ≥430 | ≥450 | ≥450 | ≥460 | ≥460 | |
High Temp/220℃ | N/mm² | ≥140 | ≥150 | ≥170 | ≥210 | ≥220 | ||
Elogantion | Nomal Temp/23℃ | % | ≥1.5 | ≥3.0 | ≥4.0 | ≥4.2 | ≥4.5 | |
High Temp/220℃ | % | ≥8 | ≥10 | ≥18 | ≥28 | ≥30 | ||
Fatigue Resistence(annealed) | % | 65 | 65 | 65 | 65 | 65 | ||
Hardness | HV | ≤50 | ||||||
Maximum resistivity | Ωmm2/m | 0.0171 | ||||||
Electrical conductivity | % | ≥98.3% | ||||||
Pinhole test result | piece/m² | Pinhole area more than 0.5 mm²,0.005piece/ m² | ||||||
Note: 1. Above figures based on the material temper H.
2. Copper Foil has smooth and shiny surface,without any coating..
3. Testing method follows our company standard.
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