Typical Properties of Double Side Treated Copper Foil for HDI
| Classification | Unit | Requirement | Test Method | ||||
| Foil Designation | T | H | 1 | 2 | IPC-4562A | ||
| Nominal thickness | um | 12 | 18 | 35 | 70 | IPC-4562A | |
| Area Weight | g/m² | 107±5 | 153± 7 | 285±10 | 585±20 | 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 | ≤6 | ≤8 | ≤10 | ≤15 | ||
| Tensile Strength | R.T.(23°C) | Mpa | ≥207 | ≥207 | ≥276 | ≥276 | IPC-TM-650 2.4.18 |
| H.T.(180°C) | ≥103 | ≥103 | ≥138 | ≥138 | |||
| Elongation | R.T.(23°C) | % | ≥2 | ≥2 | ≥3 | ≥3 | IPC-TM-650 2.4.18 |
| H.T.(180°C) | ≥2 | ≥2 | ≥2 | ≥3 | |||
| Resistivity | Ωg/m² | ≤0.170 | ≤0.166 | ≤0.162 | ≤0.162 | IPC-TM-650 2.5.14 | |
| Peel Strength(FR-4) | S side | N/mm | ≥0.9 | ≥0.9 | ≥1.4 | ≥1.4 | IPC-TM-650 2.4.8 |
| Lbs/in | ≥5.1 | ≥6.3 | ≥8.0 | ≥8.0 | |||
| M side | N/mm | ≥0.9 | ≥1.1 | ≥1.4 | ≥2.0 | ||
| Lbs/in | ≥5.1 | ≥6.3 | ≥8.0 | ≥11.4 | |||
| 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.
PCB Copper Foil Image

