Rogers CLTE™ Series High-Frequency Laminates: Precision and Reliability for Advanced RF and Microwave Applications
In the rapidly evolving world of high-frequency electronics, material stability, dielectric precision, and thermal reliability define the success of modern circuit designs. The Rogers CLTE™ Series — including CLTE™, CLTE-XT™, CLTE-AT™, and CLTE-MW™ — represents a class of PTFE-based high-frequency laminates specifically engineered for RF, microwave, and millimeter-wave applications where signal integrity and performance consistency are critical.
At KKPCB, we specialize in manufacturing and assembling high-frequency printed circuit boards (PCBs) using Rogers’ advanced materials. Our expertise ensures that every PCB delivers optimal electrical performance, reliability, and manufacturability — from prototype to mass production.
1. Overview of the Rogers CLTE™ Series
The CLTE Series laminates are reinforced with woven fiberglass, offering excellent dimensional stability and mechanical strength. These materials are designed to maintain consistent dielectric performance across a wide frequency range and temperature spectrum, making them ideal for mission-critical RF systems.
Each variant of the CLTE family provides tailored benefits:
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CLTE™ – Balanced electrical and mechanical performance for general RF applications
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CLTE-XT™ – Extended temperature stability and ultra-low loss for radar and communication systems
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CLTE-AT™ – Advanced thermal reliability and dimensional control for aerospace systems
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CLTE-MW™ – Optimized for millimeter-wave frequencies up to 110 GHz
2. Key Material Properties and Advantages
Low Dielectric Constant and Dissipation Factor
The CLTE Series features a tightly controlled dielectric constant (Dk) and extremely low dissipation factor (Df). This results in minimal signal attenuation and phase distortion, ensuring predictable impedance and consistent signal propagation across frequencies.
Exceptional Dimensional Stability
Reinforced fiberglass structure minimizes thermal expansion and ensures reliable multilayer registration during lamination. This is particularly important in multilayer hybrid constructions or mixed-material stack-ups.
High Thermal and Mechanical Reliability
CLTE laminates withstand repeated solder reflow cycles, harsh operating environments, and lead-free assembly processes without delamination or resin cracking. Their high thermal stability enables long-term performance in automotive radar and aerospace communication systems.
Smooth Copper Surface for Fine-Line Etching
The materials support fine-line circuit etching with excellent adhesion and surface uniformity — reducing conductor losses and supporting high-density interconnect (HDI) structures.
Superior Drilling and Plating Characteristics
Rogers CLTE materials exhibit excellent through-hole quality and copper adhesion, allowing stable performance even after multiple lamination and assembly cycles.
3. Typical Applications
The Rogers CLTE™ Series is widely used in applications requiring minimal signal loss, tight impedance control, and long-term stability:
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Automotive 77 GHz radar antennas
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5G base stations and backhaul systems
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Aerospace and satellite communication modules
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RF front-end circuits and filters
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High-speed transmission lines
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Power amplifiers and frequency converters
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Test and measurement equipment
At KKPCB, we utilize these laminates to manufacture high-frequency systems such as radar front-end modules, phased-array antennas, and high-speed communication boards — delivering consistent electrical performance and superior thermal management.
4. KKPCB’s Expertise in Rogers CLTE PCB Fabrication
KKPCB has accumulated extensive experience in PTFE-based PCB fabrication, combining advanced production technology with strict process control to ensure the best results when working with Rogers CLTE™ materials.
Our capabilities include:
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Precision drilling and controlled plating to prevent delamination and ensure via reliability
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Lamination under optimized pressure and temperature to achieve stable multilayer bonding
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Surface treatment optimization for enhanced copper adhesion
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Impedance control within ±5% tolerance verified through TDR testing
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Fine-line etching down to 50 μm in a cleanroom environment
In addition, our DFM (Design for Manufacturability) engineering team provides early-stage design support — including stack-up recommendations, signal simulation review, and process compatibility analysis — ensuring our customers achieve performance, cost, and manufacturability balance.
5. Why Choose KKPCB for Rogers CLTE Projects
Partnering with KKPCB means working with a zero-defect-oriented manufacturer specializing in high-frequency and high-speed PCBs. We combine genuine Rogers materials with advanced manufacturing expertise and international quality standards.
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Certified with ISO 9001, IATF 16949, and IPC Class 3
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One-stop solution: PCB fabrication + assembly + testing
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Genuine Rogers CLTE™ Series material sourcing
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Dedicated support team for RF and microwave projects
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Multilingual technical support in English, Russian, and Chinese
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Global shipping with flexible lead times for prototype and mass production
6. Conclusion
The Rogers CLTE™ Series sets the standard for high-frequency laminate performance — offering unmatched dielectric stability, low loss, and robust thermal reliability. When combined with KKPCB’s advanced PCB manufacturing and assembly capabilities, these materials unlock the full potential of next-generation communication, radar, and aerospace systems.
KKPCB — Your Reliable Partner for Rogers High-Frequency PCB & PCBA Solutions.
