Rogers RO4000® series laminates are high-frequency circuit materials designed to deliver excellent electrical performance, mechanical stability, and cost-effectiveness. These laminates, including RO4003C™, RO4350B™, and RO4835™, are ideal for RF, microwave, and high-speed digital applications, offering compatibility with standard PCB manufacturing processes.
Product Overview
| Property | RO4003C™ | RO4350B™ | RO4835™ |
|---|---|---|---|
| Dielectric Constant (Dk) | 3.38 ± 0.05 | 3.48 ± 0.05 | 3.48 ± 0.05 |
| Dissipation Factor (Df) | 0.0027 at 10 GHz | 0.0037 at 10 GHz | 0.0037 at 10 GHz |
| Thermal Conductivity (W/m·K) | 0.71 | 0.62 | 0.66 |
| Flammability | UL 94 V-0 | UL 94 V-0 | UL 94 V-0 |
| Moisture Absorption | ≤ 0.06% | ≤ 0.06% | ≤ 0.01% |
Key Features
- Stable Dielectric Properties:
- Consistent Dk and Df values across a wide frequency range.
- Thermal Reliability:
- High glass transition temperature (Tg) ensures performance in thermal cycling environments.
- Low Moisture Absorption:
- Minimizes impact on electrical properties in high-humidity or moisture-prone applications.
- Cost-Effective Fabrication:
- Compatible with FR-4 processing techniques, reducing overall production costs.
- Environmentally Robust:
- Designed for demanding conditions, including automotive, aerospace, and outdoor telecommunications.
Applications
- Cellular base station antennas.
- Automotive radar and sensors (e.g., Advanced Driver Assistance Systems – ADAS).
- Satellite communication systems.
- High-speed digital interconnects.
- Power amplifiers and RF filters.
Fabrication Guidelines
Drilling
- Use carbide or diamond-coated drill bits for precise hole formation.
- Desmear using plasma or sodium etching for PTFE-enhanced variants.
Lamination
- Process with typical lamination temperatures between 375°F and 425°F (190°C–218°C).
- Apply pressures between 200–300 PSI (14–21 bar).
Plating and Etching
- Compatible with industry-standard etching and plating chemistries.
- Thin copper foils benefit from reinforced handling during fabrication.
Surface Finishes
- Supports immersion tin, immersion silver, ENIG, and OSP.
Environmental and Safety Compliance
- Flammability: UL 94 V-0 rating.
- RoHS and REACH Compliant: Meets global environmental standards.
- Low Outgassing: Suitable for aerospace and space applications.
Storage and Handling
- Store laminates in a clean, dry environment with temperatures between 20–25°C (68–77°F).
- Use within one year of receipt for optimal performance.
Advantages of RO4835™
RO4835™ laminates offer enhanced oxidative stability, making them ideal for high-reliability applications requiring extended service life and improved environmental resistance
