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Reliable Flex Rigid PCB Manufacturer Offering 24H Rapid Prototypes for Telecom 5G Infrastructure 40 Layers ISO9001 Certified
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Type High-Frequency/High-Speed PCB Prototype Base Material Rogers RO4350B / PTFE / High TG FR4 Board Thickness 0.2 mm -6.0 mm(0.01in-0.24in) Copper Thickness 0.5 oz – 4 oz Min. Hole Size 0.15 mm (Mechanical)/0.1 mm (Laser) Min. Line Width 3mil Min. Line Spacing 3mil Surface Finishing ENIG (Immersion Gold), Immersion Silver, HASL Board Size custom Layer […]
Introduction
| Type | High-Frequency/High-Speed PCB Prototype | Base Material | Rogers RO4350B / PTFE / High TG FR4 |
| Board Thickness | 0.2 mm -6.0 mm(0.01in-0.24in) | Copper Thickness | 0.5 oz - 4 oz |
| Min. Hole Size | 0.15 mm (Mechanical)/0.1 mm (Laser) | Min. Line Width | 3mil |
| Min. Line Spacing | 3mil | Surface Finishing | ENIG (Immersion Gold), Immersion Silver, HASL |
| Board Size | custom | Layer Count | Up to 40 layers |
| Surface Roughness Control | HVLP copper: Ra ≤ 0.5um (for minimal signal loss) | Dk / Df | Dk 3.0-10.2 / Df 0.001-0.020 @10GHz (material dependent) |
| Impedance Tolerance | ±5% (TDR tested, 50Ω/100Ω) | Back Drilling Depth Control | ±0.05 mm precision |
| HDI Technology | Laser drilled blind/buried vias, 0.1 mm hole | Via-in-Pad | Resin plugging & copper plated over |
| ENIG Thickness | Au 2-4u" / Ni 120-200u" | Copper Foil Type | HVLP / RTF / VLP (for low loss) |
| Certifications | UL, RoHS, REACH, ISO9001, IATF16949 |
Our website currently displays only a selection of our circuit board products. If you have specific requirements or need more detailed information, feel free to contact us. Our experienced team is ready to provide customized solutions tailored to your project needs. Whether it's design optimization, functional integration, or material selection, we are here to support your goals. Let's work together to develop high-quality circuit board solutions that empower your brand.
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China Loong Circuit Board Co., Ltd. specializes in the development and manufacturing of high-quality printed circuit boards (PCBs), serving a wide range of applications including industrial control, home appliances, new energy, medical devices, consumer electronics, IoT, and security systems. We offer OEM/ODM services to meet customized design and functionality needs. With a skilled R&D team and advanced production facilities, we are committed to delivering reliable, efficient, and innovative PCB solutions to clients worldwide.
