Product Name: | High Precision RA Copper Foil | Application: | Two Layer FCCL |
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Width Range: | Up To 600mm | Shape: | Coil |
Material: | America Copper Ingot | Normal Weight: | About 50kg Per Roll |
Mechanical Properties Sheet:
Quality Items | General Technical Terms | |||||
1/3oz | 1/2oz | 1oz | 2oz | 3oz | ||
Surface Roughness (µm) |
Matte Surface Rz | ≤6 | ≤7 | ≤10 | ≤12 | ≤5.1 |
Peel Strength (kg/cm) | ≥1.1 | ≥1.2 | ≥1.8 | ≥2.2 | ≥1.0 | |
Leakage Points (points/m2) | ≤5 | No | ||||
High Temperature Anti-Oxidization Performance(180℃/h) | No Oxidization | |||||
Width Tolerance (mm) |
Roll | (+2.0,0) | ||||
Piece | (+2.0,-2.0) | |||||
Test Standard |
IPC-4562 |
Features:
The material has higher extensibility, and has a high bending resistance and no crack.
Performances:
Item | Unit | Parameters | |||||
12μm | 18μm | 25μm | 35μm | 70μm | |||
Mass per unit(±5%) | g/m² | 105 | 160 | 300 | 400 | 445 | |
Cu+Ag | % | ≥99.99 | |||||
Temper | H | O,H | O,H | O,H | O,H | ||
Surface roughness | Ra | μm | 0.13 | 0.12 | 0.1 | 0.08 | 0.08 |
Rz | μm | 1.3 | 1.0 | 0.8 | 0.74 | 0.76 | |
Tensile strength | Normal Temp /23℃ | N/mm² | ≥430 | ≥450 | ≥450 | ≥450 | ≥450 |
High Temp /220℃ | N/mm² | ≥140 | ≥150 | ≥170 | ≥210 | ≥220 | |
Elongation | Normal Temp /23℃ | % | ≥1.5 | ≥3.0 | ≥4.0 | ≥4.2 | ≥4.5 |
High Temp /220℃ | % | ≥8 | ≥10 | ≥18 | ≥28 | ≥30 | |
Fatigue Resistance (annealed) | % | 65 | 65 | 65 | 65 | 65 | |
Maximum resistivity | Ωmm2/m | 0.0181 | |||||
Electrical conductivity | % | ≥98.3% | |||||
Film and adhesive layers |
Instant Temp. 300℃/10s |
Film and adhesive paste after transient temperature without blistering delamination. |
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Anti oxidation | H.T.(200℃) | Minute | Won’t Change the Color within 60 minutes | ||||
Pinhole test results | piece/ m² |
Pinhole area more than 0.5 mm²,0.005 piece/ m² |