RO4000 Laminates with TICER TCR Thin Film Resistor Foils
Rogers RO4000® series laminates combined with TICER® TCR Thin Film Resistor Foils offer a high-performance solution for designing circuits that require integrated resistors. This combination is ideal for applications in RF and microwave industries, where precise impedance control, circuit miniaturization, and low parasitic effects are critical.
Key Features and Benefits
- Integrated Resistors:
- Thin-film resistive foils are embedded directly into the laminate, reducing component count and enabling compact designs.
- Improved Electrical Performance:
- Thin-film resistors have excellent stability over a wide frequency range, minimizing signal distortion and parasitic effects.
- Cost and Space Efficiency:
- Reduces the need for discrete resistor components, lowering assembly costs and saving board space.
- Compatible Processing:
- Both the RO4000 laminates and TICER foils are compatible with standard PCB fabrication techniques, ensuring ease of manufacturing.
Material Properties
| Property | RO4003C™ | RO4350B™ |
|---|---|---|
| Dielectric Constant (Dk) | 3.38 ± 0.05 | 3.48 ± 0.05 |
| Dissipation Factor (Df) | 0.0027 @ 10 GHz | 0.0037 @ 10 GHz |
| Resistor Tolerance | ±10% | ±10% |
| Thermal Conductivity (W/m·K) | 0.62 | 0.69 |
Applications
- Impedance Matching Networks:
- Integrated resistors provide precise control of impedance, crucial for RF designs.
- Attenuators:
- Thin-film resistors ensure accurate and stable signal attenuation across a wide frequency range.
- High-Density Interconnects (HDI):
- Reduced component count and miniaturization enable more compact circuit designs.
- Power Dividers and Couplers:
- Thin-film resistors enhance performance in high-frequency divider and coupler circuits.
- Aerospace and Defense:
- Reliable performance under harsh conditions makes them suitable for mission-critical applications.
Fabrication Guidelines
- Resistor Definition:
- Thin-film resistors are defined using photolithography and etching.
- Ensure accurate masking and precise etching to achieve the desired resistance values.
- Lamination:
- Follow standard RO4000 series lamination guidelines, ensuring the TICER foil is not damaged during processing.
- Trimming:
- Resistor values can be fine-tuned post-fabrication using laser trimming for greater precision.
- Assembly:
- Handle boards with care to avoid damaging thin-film resistors.
- Ensure proper thermal management during soldering and reflow processes.
Performance Advantages
- Temperature Stability:
- Thin-film resistors on RO4000 laminates maintain consistent resistance across a wide temperature range.
- High Frequency Performance:
- The combination ensures low signal loss and minimal parasitic effects, making it suitable for GHz-range circuits.
- Robustness:
- TICER foils exhibit excellent mechanical and thermal stability, ensuring reliability in demanding environments.
RO4000 laminates with TICER TCR Thin Film Resistor Foils deliver a unique solution for integrating precision resistors into high-frequency circuits. They offer excellent electrical performance, processing compatibility, and cost efficiency, making them ideal for RF, microwave, and advanced electronic applications.
