Typical Properties of Low Coarsening Reverse Treated Electrolytic Copper Foil
| Classification | Unit | Requirement | Test Method | |||||
| Nominal thickness | um | 12 | 18 | 35 | 70 | 105 | IPC-4562A | |
| Area Weight | g/m² | 107±5 | 153± 7 | 285±10 | 585±20 | 870±30 | IPC-TM-650 2.2.12 | |
| Purity | % | ≥99.8 | IPC-TM-650 2.3.15 | |||||
| Roughness | Shiny Side(Ra) | ≤3.0 | IPC-TM-650 2.2.17 | |||||
| Matte side(Rz) | um | ≤5 | ≤6 | ≤8 | ≤10 | ≤12 | ||
| Tensile Strength | R.T.(23°C) | Mpa | ≥207 | ≥276 | IPC-TM-650 2.4.18 | |||
| H.T.(180°C) | ≥103 | ≥138 | ||||||
| Elongation | R.T.(23°C) | % | ≥2 | ≥2 | ≥3 | ≥3 | ≥4 | IPC-TM-650 2.4.18 |
| H.T.(180°C) | ≥2 | ≥2 | ≥2 | ≥3 | ≥3 | |||
| Peel Strength(FR-4) | N/mm | ≥0.7 | ≥0.8 | ≥1.0 | ≥1.2 | ≥1.4 | IPC-TM-650 2.4.8 | |
| Lbs/in | ≥4.0 | ≥4.6 | ≥5.7 | ≥7.4 | ≥8.0 | |||
| Pinholes & Porosity | Number | No | IPC-TM-650 2.1.2 | |||||
| Anti-oxidization | R.T.(23°C) | Days | 180 | / | ||||
| R.T.(200°C) | Minutes | 40 | / | |||||
Standard Width, 1295(±1)mm, Width range:200-1340mm. May according to the customer request tailor.
