Discover how the F4BTMS Series PCB reduces signal loss by 30% in aerospace and RF systems.

Introducing the F4BTMS Series: A Breakthrough in High-Frequency PCB Materials

In the ever-evolving world of high-frequency electronics, the demand for advanced materials that deliver superior performance, reliability, and versatility is growing rapidly. Enter the F4BTMS series, an upgraded version of the F4BTM series, designed to meet the rigorous demands of aerospace, RF, and microwave applications. With groundbreaking advancements in material formulation and manufacturing processes, the F4BTMS series sets a new standard for high-frequency PCB materials.

What Makes the F4BTMS Series Stand Out?
The F4BTMS series represents a significant leap forward in material technology. By incorporating a unique blend of ultra-thin, ultra-fine glass fiber cloth and special nano-ceramics mixed with polytetrafluoroethylene resin, this material achieves exceptional performance characteristics:

• Minimized Dielectric Loss: The optimized composition reduces the negative effects of glass fiber on electromagnetic wave propagation, ensuring lower dielectric loss and improved signal integrity.
• Enhanced Dimensional Stability: The material exhibits excellent dimensional stability with low X/Y/Z anisotropy, making it ideal for high-precision applications.
• Wide Range of Dielectric Constants: The enriched ceramic content allows for a broader range of dielectric constants, catering to diverse design requirements.
• Superior Thermal and Electrical Properties: With improved thermal conductivity, low thermal expansion, and stable dielectric temperature characteristics, the F4BTMS series excels in demanding environments.
• High Reliability: Designed for aerospace applications, this material is a reliable alternative to similar foreign products.

The F4BTMS series comes standard with RTF low roughness copper foil, which reduces conductor loss and ensures excellent peel strength. It is compatible with both copper and aluminum bases, offering flexibility for various applications.

Key Features of F4BTMS220
The F4BTMS220 variant is a standout in the series, offering the following specifications:

• Dielectric Constant (Dk): 2.2 at 10GHz
• Dissipation Factor (Df): 0.0009 at 10GHz, 0.0010 at 20GHz
• CTE (Coefficient of Thermal Expansion):
• X-axis: 40 ppm/°C
• Y-axis: 50 ppm/°C
• Z-axis: 290 ppm/°C (-55°C to 288°C)
• Low Thermal Coefficient of Dk: -130 ppm/°C (-55°C to 150°C)
• UL-94 V0 Flame Retardant Rating
• Low Moisture Absorption: 0.02%

These features make the F4BTMS220 an excellent choice for high-frequency, high-reliability applications.

Pros and Cons of the F4BTMS Series

Pros

• Excellent Performance: Low dielectric constant and ultra-low dissipation factor for minimal signal loss. Stable performance across a wide temperature range.
• High Reliability: Designed for aerospace and harsh environments. Low moisture absorption and flame retardant properties.
• Improved Durability: Excellent dimensional stability and low thermal expansion. Strong peel strength with RTF low roughness copper foil.
• Versatile: Works with copper or aluminum bases. Suitable for high-frequency applications like RF, radar, and satellite communications.

Cons

• Higher Cost: Advanced materials and processes make it more expensive than standard PCB materials.
• Complex Manufacturing: Requires specialized equipment and expertise, which can increase production time and cost.
• Limited Design Flexibility: No solder mask or silkscreen, and pure gold surface finish may not suit all designs.
• Fewer Variants: Limited options for dielectric constants and thicknesses compared to some competitors.

Typical Applications
The F4BTMS series is engineered for high-performance applications, including:

• Aerospace Equipment: Cabin and space equipment requiring high reliability and stability.
• Microwave and RF Systems: Ideal for high-frequency signal transmission with minimal loss.
• Radar and Military Systems: Ensures precision and durability in critical defense applications.
• Feed Networks and Antennas: Suitable for phase-sensitive antennas and phased array antennas.
• Satellite Communications: Delivers consistent performance in extreme conditions.

Conclusion
The F4BTMS series is a game-changer in the world of high-frequency PCB materials. Its advanced formulation, exceptional performance, and reliability make it the go-to choice for engineers and designers working on cutting-edge technologies. While it comes with a higher cost and some design constraints, its benefits far outweigh the drawbacks for demanding applications.

Whether you’re developing aerospace systems, RF equipment, or satellite communication devices, the F4BTMS series delivers the performance and durability you need.

Ready to elevate your next project? Contact us today to learn more about the F4BTMS series and how it can meet your specific requirements.