

| Layers: | 2nd floor |
| Copper foil thickness: | 18UM |
| Finished product thickness: | 0.13±0.03MM |
| Thickness of immersion gold: | 2 miles |
| Surface treatment: | Sinking gold |
| Product introduction: The double-sided adhesive free rolled copper raw material is used for processing, and the surface treatment adopts a high weldability gold deposition process (environmentally friendly). The insulation material is selected from polyimide with good flame resistance. This product is widely used in various electronic products and devices. | |

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