Rogers RO3730™ laminates are engineered specifically for antenna applications in wireless communication systems, including 5G, IoT, and automotive radar. These laminates provide excellent electrical performance, cost-effectiveness, and ease of processing, making them an optimal choice for high-frequency antenna designs.
Material Overview
| Property | Value |
|---|---|
| Dielectric Constant (Dk) | 3.00 ± 0.05 |
| Dissipation Factor (Df) | 0.0018 at 10 GHz |
| Thermal Conductivity | 0.50 W/m·K |
| Moisture Absorption | ≤ 0.2% |
| Peel Strength | ≥ 7 lb/in (1.22 N/mm) |
| Glass Transition Temp (Tg) | 280°C |
| Coefficient of Thermal Expansion (CTE) | X/Y: 14 ppm/°C, Z: 40 ppm/°C |
| Flammability | UL 94 V-0 |
Key Features
- Optimized for Antenna Performance:
- Designed with a low and stable dielectric constant (DkDkDk) for consistent signal propagation.
- Minimal signal loss due to low dissipation factor (DfDfDf).
- Thermal and Mechanical Stability:
- High thermal conductivity and low CTE ensure reliability during operation and processing.
- Environmental Resistance:
- Low moisture absorption ensures consistent performance in varying environmental conditions.
- Ease of Fabrication:
- Compatible with standard PCB manufacturing processes.
- Cost-Effective Solution:
- Combines performance with affordability, making it ideal for mass-market applications.
Applications
- Cellular base station antennas.
- IoT and smart home devices.
- Automotive radar systems.
- Phased-array and 5G millimeter-wave antennas.
- GPS and satellite communication systems.
Processing Guidelines
1. Lamination Process
- Compatible with standard FR-4 processes.
- Lamination Temperature: 425∘F425^\circ \text{F}425∘F (218°C).
- Pressure: 200–400 PSI (14–28 bar).
2. Drilling
- Use carbide or diamond-coated drill bits.
- Desmear using plasma or chemical etching to prepare for metallization.
3. Copper Plating and Etching
- Supports both electroless and electrolytic plating techniques.
- Standard etching processes can be used for fine-line features.
4. Surface Finish
- Suitable for ENIG, immersion silver, or OSP finishes to reduce RF signal loss.
Storage and Handling
- Storage Conditions: Store in a clean, dry environment at 20∘C20^\circ \text{C}20∘C (68°F) and 50%50\%50% relative humidity.
- Shelf Life: Ensure use within one year of manufacturing for optimal results.
RO3730™ Antenna Grade Laminates combine low loss, environmental stability, and ease of fabrication, making them an excellent choice for high-frequency antenna designs. Their consistent dielectric properties and mechanical reliability enable advanced applications such as 5G and automotive radar, ensuring robust and cost-effective solutions for modern communication systems.
