Wide-Ranging Applications of High-Frequency CCLs in 5G Base Stations and Autonomous Driving

With the large-scale commercial deployment of 5G-A and the continuous iteration of full-scenario autonomous driving technology, communication transmission and vehicle perception systems have entered a new era defined by high frequency, high speed, and high precision. Long-distance, low-latency RF signal transmission in base stations and real-time detection and sensing of vehicle-mounted millimeter-wave radar impose extremely strict requirements on the dielectric stability, signal loss control, and environmental reliability of underlying substrate materials. As the core foundational material for RF circuits and high-speed signal circuits, high-frequency copper clad laminates (CCLs) are no longer merely auxiliary materials, but critical components that determine the communication quality, sensing accuracy, and operational stability of high-end electronic equipment.

Constrained by inherent material structures, traditional FR-4 laminates suffer from high signal loss, unstable dielectric parameters, and severe temperature drift under high-frequency operating conditions, making them incapable of meeting the requirements of 5G high-frequency communication and autonomous driving millimeter-wave radar systems. Against this backdrop, high-frequency CCLs with low dielectric constant and ultra-low loss have become mainstream materials for high-end manufacturing. Leveraging self-developed dry powder film-forming technology, Qingyan Electronics has launched two high-performance CCL models to cover full-spectrum high-frequency application scenarios: TY-HS-1100 (DK=3±0.04, DF=0.0004) and TY-HS-3003 (DK=3±0.05, DF=0.0007). With differentiated and well-balanced performance, these products empower the large-scale implementation of 5G base stations and autonomous driving systems across high-end communication, automotive perception, and high-speed computing fields.

In 5G communication infrastructure, high-frequency CCLs serve as the fundamental guarantee for stable operation of base station RF units. Modern 5G base stations are evolving toward high integration, miniaturization, and higher frequency bands. Core components such as Massive MIMO antenna arrays, AAU RF transceivers, and power amplifier units all rely on high-frequency substrates to achieve low-loss signal transmission. High-frequency signals naturally feature high attenuation sensitivity; poor substrate performance directly leads to reduced base station coverage, lower communication rates, and unstable network performance.

Tailored for high-end millimeter-wave base stations and macro station RF systems, the TY-HS-1100 delivers industry-leading ultra-low loss performance. Its highly stable dielectric constant of 3±0.04 ensures excellent parameter consistency across wide frequency ranges, effectively minimizing impedance fluctuation and phase deviation during high-frequency signal transmission. With an ultra-low dissipation factor of 0.0004, it significantly reduces RF signal attenuation, improving overall transmission efficiency and coverage accuracy. In addition, the material exhibits outstanding thermal stability, resisting deformation and delamination under temperature cycling. It is well-suited for multi-layer, high-density PCB fabrication, fully meeting the precision and integration requirements of advanced 5G-A base stations and ensuring long-term operational stability.

For mass-production scenarios including micro base stations, indoor distribution systems, and mid-to-low-frequency communication devices, the TY-HS-3003 provides an optimal balance of performance and cost. Maintaining a stable DK value of 3.0 and an ultra-low DF of 0.0007, it retains excellent low-dielectric and low-loss characteristics while offering superior machinability and mass production compatibility. Fully compliant with standard lead-free PCB processes and multi-layer lamination, it satisfies mid-to-high frequency signal transmission demands while effectively lowering overall equipment costs. This makes it ideal for large-scale 5G infrastructure deployment and supports cost reduction and efficiency improvement across the communication industry.

Beyond 5G communication systems, the rapid advancement of autonomous driving has further expanded the application boundaries of high-frequency CCLs. The safety of autonomous driving heavily depends on the coordination of vehicle-mounted millimeter-wave radar, visual perception, and high-frequency control circuits. As the core sensing hardware, 24GHz, 77GHz, and 79GHz millimeter-wave radars undertake obstacle detection, velocity measurement, blind-spot monitoring, and active safety intervention. The accuracy of high-frequency signal transmission directly determines driving safety, requiring substrates with ultra-low loss, extreme temperature resistance, humidity resistance, and exceptional stability.

The TY-HS-1100 is engineered for high-level L3+ autonomous driving systems equipped with high-precision 77GHz long-range main radars. Its ultra-low DF of 0.0004 suppresses transmission loss and waveform distortion of high-frequency radar signals, substantially improving detection accuracy and avoiding perception errors caused by signal distortion. Featuring ultra-low water absorption and excellent dielectric stability, the material maintains consistent performance under extreme automotive temperatures ranging from -40℃ to 125℃. It effectively resists interference from vibration, humidity, and temperature fluctuation, delivering reliable sensing performance and strengthening the safety foundation of intelligent driving systems.

The TY-HS-3003 covers mainstream automotive applications such as 24GHz short-range auxiliary radars and vehicle high-frequency control circuits. With a DF value of 0.0007, it fully meets the low-loss transmission requirements of medium and short-range radar systems while providing outstanding vibration resistance, aging resistance, and process adaptability. Compared with imported high-frequency substrates, it achieves equivalent or better performance with higher cost efficiency, greatly reducing mass production costs for vehicle radar manufacturers and accelerating the localization and popularization of autonomous driving perception hardware.

Powered by independently developed dry powder film-forming technology, Qingyan Electronics’ dual high-frequency CCL product lineup breaks the long-term monopoly of overseas high-frequency substrate brands. Compared with traditional wet-process materials, the company’s proprietary manufacturing technology delivers more stable dielectric parameters, superior batch consistency, and higher overall reliability while ensuring scalable production and cost advantages. The TY-HS-1100 targets high-end markets including premium base station equipment, high-level automotive radar, and high-speed computing hardware, while the cost-effective TY-HS-3003 dominates mid-to-high-frequency mass-production scenarios. The two-model portfolio achieves full coverage of high-frequency and high-speed application demands.

From nationwide 5G communication coverage to high-precision perception in autonomous driving, high-frequency CCLs continue to demonstrate indispensable industrial value as core foundational materials for high-end electronic manufacturing. As 5G-A, autonomous driving, high-speed computing, and satellite communication technologies continue to evolve, the industry’s demand for higher-precision and more stable high-frequency signal transmission will keep growing. Moving forward, Qingyan Electronics will continue to focus on low-dielectric, low-loss substrate innovation. Supported by the TY-HS-1100 and TY-HS-3003 product series, the company will provide high-performance, high-reliability, and fully localized high-frequency substrate solutions for the communication, automotive, and high-end computing industries, driving the continuous upgrading of China’s high-end electronic manufacturing sector.