4 layer rigid flex PCB with ENIG 2OZ copper Green solder mask, Chem Tin
4 layer rigid flex PCB with ENIG
Chem Tin
| Size of Flexible PCB | 71.25 X 80.38 |
| Number of Layers | 4 |
| Board Type | Rigid-Flexible PCB |
| Board Thickness | 0.25mm |
| Board Material | Polyimide (PI) 25µm |
| Board Material Supplier | ITEQ |
| Tg Value of Board Material | 60ºC |
| PTH Cu thickness | ≥20 µm |
| Inner Iayer Cu thicknes | 35 µm (1oz) |
| Surface Cu thickness | 35 µm (1oz) |
| Coverlay Colour | Black |
| Number of Coverlay | 2 |
| Thickness of Coverlay | 25 µm |
| Stiffener Material | FR-4 / Stainless steel |
| Stiffener Thickness | 1.0mm / 0.2mm |
| Type of Silkscreen Ink | IJR-4000 MW300 |
| Supplier of Silkscreen | TAIYO |
| Color of Silkscreen | White |
| Number of Silkscreen | 1 |
| Peeling test of Coverlay | No peelable |
| Legend Adhesion | 3M 90ºC No peeling after Min. 3 times test |
| Surface Finish | Immersion Gold |
| Thickness of Nickle/Gold | Au: 0.03µm(Min.); Ni 2-4µm |
| RoHS Required | Yes |
| Famability | 94-V0 |
| Thermal Shock Test | Pass, -25ºC±125ºC, 1000 cycles. |
| Thermal Stress | Pass, 300±5ºC,10 seconds, 3 cycles. No delamination, no blistering. |
| Function | 100% Pass electrical test |
| Workmanship | Compliance with IPC-A-600H & IPC-6013C Class 2 |
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