This customized 2-layer rigid high-frequency PCB utilizes Rogers RT/duroid 5880 glass microfiber reinforced PTFE composite, engineered for ultra-low-loss millimeter-wave and high-precision RF/microwave circuit applications. It features immersion gold surface finishing with no silkscreen or solder mask on either side. Every finished unit is 100% electrically tested prior to shipment to deliver stable, reliable and consistent electrical performance.
PCB Specification
| Parameter Item | Specification |
| Base Material | Rogers RT/duroid 5880 glass microfiber reinforced PTFE composite laminate |
| Layer Count | 2-layer rigid PCB |
| Board Dimensions | 102mm × 65mm (1 piece), tolerance: ±0.15mm |
| Minimum Trace / Space | 4 mils / 6 mils |
| Minimum Mechanical Hole Size | 0.35mm |
| Via Type | Exclusive through-hole vias design without blind vias |
| Finished Board Thickness | 0.85mm |
| Finished Copper Weight | 1oz (1.4 mils) for all layers |
| Via Plating Thickness | 20μm |
| Surface Finish | Immersion Gold |
| Silkscreen Layer | Silkscreen-free on both top and bottom surfaces |
| Solder Mask Layer | Fully solder mask-free on both sides |
| Quality Test | 100% full electrical inspection conducted before delivery |
PCB Layer Stack-up Structure
| Layer Name | Specification |
| Copper Layer 1 (Top Layer) | 35μm finished copper thickness |
| Dielectric Core | Rogers RT/duroid 5880 substrate, 0.787mm (31mil) thickness |
| Copper Layer 2 (Bottom Layer) | 35μm finished copper thickness |
Artwork & Quality Standards
Artwork Format: Manufactured with standard Gerber RS-274-X files to guarantee accurate circuit patterning and complete production compatibility.
Quality Standard: All fabrication and inspection procedures strictly follow IPC-Class-2 standards, delivering stable electrical performance and outstanding long-term durability for commercial and industrial deployment.
Service Coverage: Global shipping service is available to offer stable and dependable product supply for worldwide high-frequency PCB projects.
RT/duroid 5880 Material Overview
RT/duroid 5880 is a high-performance glass microfiber reinforced PTFE composite designed for high-precision microstrip and stripline circuit applications. Its random microfiber structure delivers excellent dielectric constant uniformity throughout the substrate. The material maintains stable dielectric performance across a broad frequency range with an ultra-low dissipation factor, enabling consistent low-loss signal transmission for Ku-band and higher millimeter-wave frequency applications.
Core Material Features & Functional Benefits
Ultra-Low Electrical Loss: Delivers minimal signal attenuation among reinforced PTFE substrates, enabling high-fidelity signal transmission for millimeter-wave and high-frequency RF circuits.
Excellent Frequency Stability: Maintains a stable DK of 2.2 ± 0.02 and ultra-low DF of 0.0004–0.0009 at 10GHz, ensuring consistent electrical performance for broadband designs across wide frequency bands.
Low Moisture Absorption: With a low moisture absorption rate of 0.02%, it resists humidity interference and sustains stable dielectric properties in diverse working environments.
Isotropic & Uniform Structure: The all-direction uniform structure supports precise impedance control, ensuring stable performance and high repeatability for mass production.
Superior Chemical Resistance: Tolerates various industrial chemicals and cleaning solutions during processing, protecting circuit integrity and boosting production yield and long-term reliability.
Safe & Process-Friendly: Features UL 94V-0 flame retardancy and full lead-free process compatibility, conforming to modern industrial safety and manufacturing specifications.
Typical Application Scenarios
Benefiting from ultra-low high-frequency loss, outstanding frequency stability and consistent electrical performance, RT/duroid 5880-based PCBs are widely applied in high-end commercial, military and aerospace high-frequency systems as follows:
- Commercial airline broadband antennas
- High-precision microstrip and stripline circuits
- Millimeter-wave communication devices
- Military radar systems
- Missile guidance systems
- Point-to-point digital radio antennas
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RT/duroid 5880 High-Frequency PCB 2-Layer 31mil Material Images
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