Layers: | 4-layer soft hard bonding board |
Copper foil thickness: | 35UM |
Finished product thickness: | 1.6±0.16MM |
Thickness of immersion gold: | 2 miles |
Surface treatment: | Sinking gold |
Product introduction: Adopting single-sided FR4 double-sided adhesive free rolled copper single-sided FR4 structure compression. The flexible layer solder mask uses high-quality covering film, which has outstanding dielectric properties, mechanical properties, and radiation resistance at high temperatures. The hard layer solder mask uses green oil, and this type of product is widely used in communication, industrial control, medical and other fields. |
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