Double-Sided PCB with TRF-45, 0.9mm Thickness, and ENIG Finish
(All PCBs are custom-manufactured. Reference images and parameters may vary based on your design requirements.)



1. Overview of the Double-Sided PCB
This double-sided PCB is built with TRF-45, a ceramic-filled PTFE laminate reinforced with woven fiberglass. It offers low-loss performance, stable dielectric properties, and dimensional stability, making it ideal for high-frequency RF applications. The ENIG surface finish provides excellent solderability and corrosion resistance, ensuring long-term reliability.

With 1oz copper layers, precise trace/space tolerances, and no solder mask or silkscreen, this PCB is designed for efficient signal transmission and high-frequency consistency. Every board is tested to IPC-Class-2 standards, ensuring quality and reliability for critical applications.



2. PCB Construction Details

3. PCB Stackup
This 2-layer rigid PCB stackup is optimized for high-frequency RF applications. Here’s the stackup structure:

4. Features of TRF-45

• Dielectric Constant (Dk): 4.5 ± 0.15 at 10 GHz, delivering stable signal propagation across temperature and frequency ranges.
• Dissipation Factor (Df): 0.0035 at 10 GHz for minimal signal loss.
• CTE (Coefficient of Thermal Expansion): X-axis: 9 ppm/°C. Y-axis: 9 ppm/°C. Z-axis: 40 ppm/°C.
• Thermal Conductivity: 0.43 W/mK, providing effective heat dissipation.
• Moisture Absorption: 0.06%, ensuring consistent performance in humid environments.
• Flammability Rating: UL 94 V-0 for enhanced safety.

5. Benefits of TRF-45 Material
The TRF-45 material offers several advantages for high-frequency and RF designs:

Low Signal Loss: Ensures high-frequency signal integrity for RFID and GPS applications.

Thermal and Mechanical Reliability: With excellent thermal conductivity and low CTE, it performs reliably under extreme conditions.

Stable Dielectric Properties: Dk and Df remain consistent across a wide range of temperatures and frequencies.

Dimensional Stability: Woven-glass reinforcement enhances rigidity and ensures easier handling during assembly.

Cost-Effective Manufacturing: Compatible with standard PTFE processing, reducing fabrication costs.



6. Applications of the Double-Sided PCB

Satellite Radio Antennas: Provides reliable signal transmission for satellite communication systems.

RFID Antennas: Ensures efficient signal capture and transmission for radio-frequency identification systems.

GPS Antennas: Ideal for high-accuracy global positioning systems.



Why Choose Bicheng Technologies?
At Bicheng Technologies Limited, we specialize in manufacturing high-quality PCBs for RF and microwave applications. Our double-sided PCB with TRF-45 material combines cutting-edge materials with rigorous quality standards to deliver reliable performance for your projects.


Why Work With Us?
Global Availability: We deliver worldwide and provide excellent customer support.
High Standards: All PCBs are tested to IPC-Class-2 standards, ensuring quality and reliability.
Customized Solutions: We work closely with you to meet your specific requirements.

If you’re looking for a trusted partner for your next high-frequency project, feel free to contact me at sales30@bichengpcb.com. Let’s collaborate to bring your innovative designs to life.