Originate from the strict management and control of electrolytic copper production procedure
JIMA Copper adopts advanced fabrication workmanship and management concept to exercise strict and scientific management for production of copper foil. in light of the need in links such as manufacturing and inspection of copper foil, this company builds 100000-level dustless workshop to ensure production of high performance and high quality copper foils products.
Typical Properties of Reverse Treated Copper Foil for Server/switch/storage
| Classification | Unit | Requirement | Test Method | ||||
| 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) | um | 2.0 | IPC-TM-650 2.2.17 | |||
| Matte side(Rz) | um | ≤5.0 | ≤6.0 | ≤8.0 | ≤10 | ||
| Tensile Strength | R.T.(23°C) | Mpa | ≥276 | IPC-TM-650 2.4.18 | |||
| H.T.(180°C) | ≥138 | ||||||
| Elongation | R.T.(23°C) | % | ≥4 | ≥4 | ≥8 | ≥12 | IPC-TM-650 2.4.18 |
| H.T.(180°C) | ≥3 | ≥4 | ≥4 | ≥4 | |||
| Peel Strength(FR-4) | N/mm | ≥0.6 | ≥0.8 | ≥1.0 | ≥1.0 | IPC-TM-650 2.4.8 | |
| Lbs/in | ≥3.4 | ≥4.6 | ≥5.7 | ≥5.7 | |||
| Pinholes & porosity | Numbers | No | IPC-TM-650 2.1.2 | ||||
| Anti-oxidization | R.T.(23°C) | Days | 90 | / | |||
| H.T.(200°C) | Minutes | 40 | / | ||||
