Isola's FR408HR Multi-Layer PCBs with Immersion Gold Finish with 1oz copper per layer for RF and microwave designs

FR408HR Multi-Layer PCBs with Immersion Gold Finish

The FR408HR Multi-Layer PCBs are high-performance printed circuit boards designed for advanced electronic applications requiring exceptional signal integrity, thermal stability, and reliability. Built with Isola's FR408HR laminate, these PCBs offer excellent electrical and mechanical properties, making them ideal for high-speed digital, RF, and microwave designs. With 1oz copper per layer, immersion gold (ENIG) surface finish, and blue solder mask with white silkscreen, these PCBs are a robust solution for modern electronics.

This product highlights two case studies showcasing the versatility of FR408HR material for multi-layer PCB designs.

Case Study 1: 6-Layer PCB

Case Study 2: 4-Layer PCB

FR408HR Typical Values Table

Key Features of FR408HR:

Low-loss material for high-speed signal integrity.

Excellent thermal reliability for lead-free soldering.

Low moisture absorption for enhanced performance in humid environments.

High Tg and Td values for thermal stability.

CTE matching to copper, minimizing risk of delamination.

Benefits of FR408HR Multi-Layer PCBs

High Signal Integrity: The low DkD_kDk​ and DF ensure consistent performance for high-speed and high-frequency applications.

Exceptional Durability: Resin-filled holes and blind vias enhance mechanical stability and support compact, high-density designs.

Thermal Reliability: With a high Tg and excellent resistance to thermal stress, the PCBs maintain structural integrity during manufacturing and operation.

Corrosion Resistance: The ENIG surface finish protects against oxidation and ensures long-term reliability.

Customizability: FR408HR supports complex via structures and multi-layer configurations, allowing for tailored designs.

Applications

The FR408HR Multi-Layer PCBs are suitable for a wide range of applications, including:

Telecommunications Equipment: Routers, switches, and base stations.

Aerospace and Defense: Radar systems and avionics.

Consumer Electronics: Smartphones, tablets, and IoT devices.

High-Speed Digital Systems: Servers, data centers, and network infrastructure.

RF and Microwave Applications: Antennas, filters, and amplifiers.

Conclusion

The FR408HR Multi-Layer PCBs are engineered to deliver exceptional performance and reliability for advanced electronic systems. Whether it’s the six-layer PCB with resin-filled holes or the four-layer PCB with blind vias, these boards leverage the superior properties of FR408HR laminate to meet the demands of industries such as telecommunications, aerospace, and consumer electronics. With their robust construction, customizable designs, and high electrical performance, these PCBs are the ideal solution for applications requiring precision and durability.