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This 4-layer drone coil circuit board is optimized for high-frequency operation and compact design, featuring 7/7MIL precision routing and 3OZ copper thickness (outer/inner layers). Built on FR-4 (Tg 170°C), it delivers exceptional thermal stability and electromagnetic compatibility (EMC) for UAV applications. The board incorporates white oil blocking process to protect sensitive areas, gold plating (2μm) for corrosion resistance, and CNC+stamping holes for efficient assembly. Lead-free tin plating ensures compliance with RoHS/WEEE standards. Ideal for drone coils, wireless charging modules, and high-speed communication systems.
| Parameter Category | Specification |
|---|---|
| Number of Layers | 4 Layer |
| Minimum Line/Space | 7/7 MIL |
| Board Thickness | 1.60 mm |
| Substrate Material | FR-4 (Tg 170°C) |
| Copper Thickness | 3OZ (Outer/Inner Layers) |
| Solder Mask Color | Green |
| Silkscreen Color | White |
| Machining | CNC + Stamping Holes |
| Surface Finish | Gold Plating (2μm) |
| Additional Tech | White Oil Blocking Process |
