SDS – TMM Series Laminates – Fr
TMM® Series laminates are advanced, thermoset-based materials designed for high-frequency applications requiring low dielectric loss, thermal stability, and exceptional performance. These laminates are widely used in microwave and RF applications, such as antennas, power amplifiers, and filters, offering a unique combination of material properties and ease of fabrication.
Key Features and Benefits
- Stable Dielectric Properties:
- Dielectric Constant (Dk): Range of values tailored for specific applications, typically between 3.27 and 12.
- Low Dielectric Loss (Df): Ensures high efficiency at microwave frequencies.
- Thermal Reliability:
- High thermal conductivity for efficient heat dissipation.
- Minimal dimensional changes with temperature fluctuations.
- Mechanical Stability:
- Uniform mechanical properties for consistent performance.
- Resistant to creep and mechanical deformation.
- Ease of Fabrication:
- Compatible with standard PCB processing techniques, including drilling, routing, and metallization.
- Excellent bond strength for multilayer assemblies.
- Environmental Resistance:
- Low moisture absorption.
- Long-term reliability in harsh environmental conditions.
Applications
- Aerospace and Defense:
- Phased array antennas.
- Radar systems.
- Telecommunications:
- Base station antennas.
- Microwave backhaul equipment.
- Industrial and Automotive:
- Sensors and actuators.
- High-frequency automotive radars.
Material Properties
| Property | Typical Value |
|---|---|
| Dielectric Constant (Dk) | 3.27 to 12 |
| Dielectric Loss (Df) | Low (< 0.002 at 10 GHz) |
| Thermal Conductivity | ~0.7 W/m·K |
| Moisture Absorption | < 0.1% |
| Operating Temperature | Up to 200°C |
| Flammability | UL 94 V-0 |
Fabrication Guidelines
- Drilling and Routing:
- Use carbide or diamond-coated tools to reduce burrs.
- Optimize feed rates and speeds to prevent delamination.
- Metallization:
- Standard electroless and electrolytic plating processes are compatible.
- Lamination:
- Ensure uniform pressure and temperature profiles during bonding.
- Recommended prepreg materials for multilayer constructions.
- Storage:
- Store in a dry, temperature-controlled environment to maintain material integrity.
Compliance and Certifications
- RoHS compliant.
- Halogen-free options available.
- Low outgassing properties for space applications.
