PSIS – CLTE Series Laminates
CLTE Series laminates are high-performance, ceramic-filled PTFE composites specifically engineered for RF, microwave, and millimeter-wave applications. These laminates exhibit excellent electrical properties, mechanical robustness, and thermal stability, making them ideal for advanced circuit designs requiring precision and reliability.
Key Features
- Low Loss and Consistent Dielectric Properties
- Stable dielectric constant (Dk) across a wide frequency range.
- Low dissipation factor (Df) for minimal signal loss.
- Dimensional Stability
- Excellent thermal and mechanical stability, ensuring precision in multilayer designs.
- Low Coefficient of Thermal Expansion (CTE)
- Supports high reliability and compatibility with various PCB materials.
- Thermal Reliability
- High operating temperature range and low thermal conductivity.
- Environmental Resistance
- Low moisture absorption and chemical resistance for robust performance in harsh environments.
Typical Applications
- Phased array antennas
- Power amplifiers and filters
- Millimeter-wave communication devices
- Automotive radar systems
- Aerospace and defense systems
Technical Specifications
| Property | Value |
|---|---|
| Dielectric Constant (Dk) | 2.94 ± 0.04 (10 GHz) |
| Dissipation Factor (Df) | ≤ 0.0021 (10 GHz) |
| Thermal Conductivity | 0.5 W/m·K |
| Moisture Absorption | < 0.05% |
| CTE (X-Y) | ~13 ppm/°C |
| CTE (Z) | ~30 ppm/°C |
| Flammability Rating | UL 94 V-0 |
| Operating Temperature Range | -55°C to +200°C |
| Peel Strength (1 oz Copper) | ≥ 8 lbs/in |
Processing Guidelines
Storage
- Store in a clean, dry, and temperature-controlled environment.
- Avoid exposure to direct sunlight and high humidity.
Fabrication
- Drilling: Use carbide or diamond-coated tools with suitable entry and backer materials.
- Etching: Compatible with industry-standard copper etching processes.
- Lamination: Ensure proper pressure, temperature, and cooling cycles during the lamination process.
Surface Preparation
- Clean surfaces thoroughly to ensure adhesion and plating quality.
Routing and Cutting
- Use CNC routing or laser cutting for clean and precise edges.
Compliance and Certifications
- RoHS and REACH compliant
- UL 94 V-0 rated for flammability
- Meets IPC-4103 specifications
CLTE Series laminates deliver exceptional performance for high-frequency applications, offering unmatched reliability and precision for advanced RF and microwave designs. For detailed technical assistance, please consult the manufacturer or your local distributor.
