Table 1. PCB-Cu processing parameters.
| Plate | Thickness | Copper thickness | Surface treatment | Protective layer thickness | |
|---|---|---|---|---|---|
| PCB-Cu | FR-4 | 0.8 mm | 25–30 μm | Bare copper without treatment | 0 μm |
| Plate | Thickness | Copper thickness | Surface treatment | Protective layer thickness | |
|---|---|---|---|---|---|
| PCB-Cu | FR-4 | 0.8 mm | 25–30 μm | Bare copper without treatment | 0 μm |