RO4830 Plus 2-Layer PCB built on 5mil thickness substrates: A Cost-Effective Solution for Millimeter Wave Automotive Radar Applications by Bicheng Technologies Limited

RO4830 Plus 2-Layer PCB built on 5mil thickness substrates: A Cost-Effective Solution for Millimeter Wave Automotive Radar Applications by Bicheng Technologies Limited

(All PCBs are custom-manufactured. Reference images and parameters may vary based on your design requirements.)

At Bicheng Technologies Limited, we are proud to introduce the RO4830 Plus 2-Layer PCB, a cutting-edge solution tailored for millimeter wave automotive radar sensors and other high-frequency RF applications. Built with Rogers RO4830 Plus thermoset laminates, this PCB delivers low insertion loss, stable dielectric performance, and cost-efficiency, making it the perfect choice for 76-81 GHz automotive radar sensors, patch antennas, and RF feed networks.

This 0.2mm thick PCB, featuring 1oz copper weight, electroless nickel immersion gold (ENIG) surface finish, and green solder mask, is optimized for precise and reliable performance in high-frequency applications. Let’s dive into the construction, features, and applications of this innovative PCB.

1. Overview of the RO4830 Plus 2-Layer PCB

The RO4830 Plus 2-Layer PCB is designed to meet the stringent demands of millimeter wave applications, offering low insertion loss, stable dielectric constant (Dk), and high thermal reliability. Rogers RO4830 Plus laminates are woven-glass-free thermoset dielectric materials engineered for automotive radar sensors and other RF designs requiring 77 GHz compatibility.

This PCB is also PFAS-free, lead-free solder compatible, and can be fabricated using standard FR-4 processes, making it an economical and eco-friendly choice. At Bicheng Technologies Limited, all PCBs are manufactured to IPC-Class-2 standards and undergo rigorous 100% electrical testing to ensure consistent performance and reliability.

PCB Construction Details

The 2-layer stackup, with 5mil RO4830 Plus core, ensures low signal loss, thermal stability, and mechanical reliability, making it ideal for high-frequency RF designs.

2. Features and Benefits of RO4830 Plus Material

The RO4830 Plus laminate is the latest innovation from Rogers Corporation, offering optimized performance for millimeter wave automotive radar sensors while maintaining a low cost and environmentally friendly design.

Key Features of RO4830 Plus:

• Dielectric Constant (Dk): 3.0 ± 0.04 at 10GHz, ensuring precise and consistent signal propagation.
• Dissipation Factor (Df): 0.0015 at 10GHz, ensuring low signal distortion and high efficiency.
• Thermal Properties: Thermal Conductivity: 0.5 W/mK, providing efficient heat dissipation.
• Glass Transition Temperature (Tg): 285°C, ensuring thermal stability in high-temperature environments.
• CTE (Coefficient of Thermal Expansion):
  • X-axis: 46 ppm/°C
  • Y-axis: 47 ppm/°C
  • Z-axis: 56 ppm/°C, ensuring dimensional stability and reliability.
• Moisture Resistance: Ultra-low moisture absorption of 0.02%, ensuring stable performance in humid environments.

Key Benefits of RO4830 Plus:

• Low Insertion Loss: Optimized for millimeter wave applications, with an insertion loss of 1.5 dB/inch for 5mil laminates at 77 GHz.
• Stable Dielectric Properties: Consistent within-sheet Dk and Df values ensure precise performance across a wide range of frequencies.
• Compatibility with Standard FR-4 Processes: Reduces production costs by eliminating the need for specialized equipment.
• Excellent Laser Drilling Performance: Ideal for advanced PCB designs requiring precise vias.
• Environmentally Friendly: PFAS-free and UL-94 V0 flame retardant, meeting green manufacturing standards.

3. Applications of the RO4830 Plus 2-Layer PCB

The RO4830 Plus 2-Layer PCB is specifically designed for millimeter wave automotive radar sensors and other high-frequency RF applications. Its unique material properties make it suitable for a variety of advanced designs.

Typical Applications:

76-81 GHz Automotive Radar Sensors

Optimized for corner radar and other radar-based systems in autonomous vehicles.

Patch Antennas for Millimeter Wave Radar Sensors

Provides stable and efficient signal propagation for high-frequency patch antennas.

RF Feed Networks for Wave Guide Antennas

Ensures precise and low-loss signal routing in RF feed networks.

RF Intermediate Frequency (IF) Layer for Multi-Chip Radar Designs

Ideal for high-precision radar systems requiring consistent dielectric performance.

4. Why Choose Bicheng Technologies Limited?

At Bicheng Technologies Limited, we are committed to delivering innovative PCB solutions for high-performance RF and millimeter wave applications. The RO4830 Plus 2-Layer PCB exemplifies our expertise in cutting-edge materials and precision manufacturing.

Why Partner with Us?

Expertise in High-Frequency PCBs: We specialize in PCBs for RF, microwave, and millimeter wave applications.

Uncompromising Quality Standards: All PCBs are manufactured to IPC-Class-2 standards and undergo 100% electrical testing.

Global Availability: We deliver worldwide, ensuring timely support for your projects.

Customer-Centric Approach: Our team is dedicated to providing tailored solutions that meet your specific requirements.

For technical inquiries or assistance, feel free to contact me, Sally, at sales30@bichengpcb.com. I am happy to help you find the perfect PCB solution for your application.