4-Layer Hybrid PCB 10mil RO4350B and High Tg FR-4 Mixed Dielectric Circuit Board

4-Layer Hybrid PCB 10mil RO4350B and High Tg FR-4 Mixed Dielectric Circuit Board

Introduction

In today’s rapidly evolving electronics industry, high-frequency and high-speed applications demand PCBs with superior signal integrity, thermal stability, and mechanical reliability. Our 4-Layer Hybrid PCB, combining Rogers RO4350B andHigh Tg FR-4 (S1000-2M), is engineered to meet these stringent requirements. This advanced mixed dielectric PCB is ideal for RF/microwave applications, aerospace systems, radar, and high-speed digital circuits, where low loss, controlled impedance, and thermal management are critical.

With a 10mil RO4350B core and High Tg FR-4 prepreg, this hybrid construction ensures optimal electrical performance while maintaining cost efficiency and manufacturability. The hybrid circuit board features ENIG (Electroless Nickel Immersion Gold) surface finish, 4/6 mil trace/space, and 100% electrical testing, guaranteeing reliability for mission-critical applications.

PCB Construction Details:

The foundation of this 4-Layer Hybrid PCB lies in a combination of innovative materials:

PCB Stackup Details:

This PCB boasts a well-engineered 4-layer rigid stackup:

PCB Statistics:

Features & Benefits of RO4350B and S1000-2M

• RO4350B (Base Material for this PCB)
• Dielectric Constant: DK 3.48 +/- 0.05 at 10GHz/23°C
• Dissipation Factor: 0.0037 at 10GHz/23°C
• Thermal Conductivity: 0.69 W/m/°K
• CTE: X-axis - 10 ppm/°C, Y-axis - 12 ppm/°C, Z-axis - 32 ppm/°C
• High Tg value: >280°C
• Low water absorption: 0.06%

S1000-2M (High Tg FR-4 Component) 

• Lower Z-Axis CTE for improved through-hole reliability
• Excellent Mechanical Processability and Thermal Resistance
• Lead-free Compatible
• Tg180℃(DSC), UV Blocking/AOI compatible
• High heat resistance
• Excellent Anti-CAF performance
• Low water absorption

Introduction to RO4350B

Rogers 4350B materials offer a blend of woven glass reinforced hydrocarbon/ceramics, marrying the electrical properties of PTFE/woven glass with the manufacturing ease of epoxy/glass. These RO4350B laminates maintain low loss, tight control on dielectric constant, and exhibit UL 94 V-0 rating for active devices and high-power RF designs. Their stability across various temperatures and compatibility with traditional processing methods make them a cost-effective and reliable choice for advanced PCB applications.

Typical Applications

1. Commercial Airline Broadband Antennas
2. Microstrip and Stripline Circuits
3. Millimeter Wave Applications
4. Radar Systems
5. Guidance Systems
6. Point to Point Digital Radio Antennas

Accepted Standard & Availability

This Hybrid PCB Board complies with IPC-Class-2 standards and is readily available worldwide, ensuring consistent quality and broad accessibility for our customers

Conclusion

In conclusion, the 4-Layer Hybrid PCB featuring RO4350B and High Tg FR-4 epitomizes excellence in modern electronics. From its intricate construction to its exceptional features and wide-ranging applications, this PCB represents a fusion of innovation and reliability that is unparalleled in the industry. Whether you're designing next-generation radar systems or cutting-edge guidance technology, this PCB is your trusted partner in pushing the boundaries of possibility. Choose excellence, choose reliability—choose our 4-Layer hybrid circuit materials PCB for all your high-performance needs.