- Basic Parameters of Rogers 4003C PCB
Rogers RO4003C is a widely used laminate material for high-frequency circuit designs. Its excellent electrical performance, thermal stability, and cost-efficiency make it a key choice for RF and microwave applications. Below are its primary parameters:
Dielectric Constant (Dk):
Typical value at 10 GHz is 3.55 (±0.05).
Its stable Dk is ideal for high-frequency designs requiring precise impedance control.
Dissipation Factor (Df):
Typical value at 10 GHz is 0.0027.
The low Df reduces signal loss and enhances transmission efficiency.
Thermal Expansion Coefficient (CTE):
X and Y directions: 13 ppm/°C, closely matching copper for thermal stability.
Z direction: 46 ppm/°C, suitable for multilayer structures with high reliability.
Thermal Conductivity:
Typical value is 0.71 W/m·K, providing good thermal management capabilities.
Water Absorption Rate:
Low water absorption (0.06%) ensures stable electrical performance in humid environments.
Processing Compatibility:
Utilizes thermoplastic resin and ceramic-filled composites, easy to process, and compatible with standard FR4 techniques.
Copper foil thickness ranges from 0.5oz to 2oz to support diverse design needs.
Flammability Rating:
Compliant with UL 94 V-0 standards, ensuring high safety and durability.
Additional Parameters:
Surface resistivity: Up to 10^9 Ω.
Heat deflection temperature (Tg): 280°C, offering excellent high-temperature resistance. - Application Fields
Due to its outstanding properties, Rogers 4003C is widely used in electronic devices requiring high frequency and reliability. Key application fields include:
Wireless Communication Systems:
Deployed in cellular base station antennas, satellite communications, and WLAN devices.
Stable dielectric constant and low loss factor ensure efficient and stable high-frequency signal transmission.
Automotive Electronics:
Widely used in radar systems (e.g., adaptive cruise control systems) and vehicle-to-everything (V2X) communication modules.
Its thermal stability and durability adapt to extreme automotive environments.
RF and Microwave Circuits:
Includes amplifiers, mixers, filters, and power dividers.
Material properties support precise impedance control in complex RF circuit designs.
Defense and Aerospace:
Applied in radar systems, electronic warfare devices, and satellite communication modules.
Provides reliable performance in extreme environments.
5G Communication and Millimeter-Wave Technology:
Used in 5G base stations, antenna arrays, and high-frequency interconnect devices.
Low loss and low latency characteristics significantly improve signal quality and network efficiency.
High-Performance Computing Equipment:
Utilized in high-speed backplanes and high-speed interconnect devices.
Superior electrical properties support high data rate transmission demands. - Production Guidelines
The manufacturing process of Rogers 4003C is similar to FR4 materials. However, specific considerations are required due to its unique dielectric properties and material structure:
Design Phase:
Impedance Control:
Stable Dk and low loss factor demand strict impedance matching designs in high-frequency applications.
Use professional design tools (e.g., ADS, HFSS) for accurate modeling and simulation.
Stack-Up Design:
Can be combined with FR4 materials (hybrid stack-ups) to balance cost and performance.
Address differences in thermal expansion coefficients to prevent delamination or warping during thermal cycling.
Material Cutting:
Use laser cutting or precision mechanical cutting tools to ensure smooth edges and avoid damage due to material flexibility.
Remove burrs immediately after cutting to maintain dimensional accuracy.
Drilling and Plating:
Drilling Process:
Reduce drill speed to minimize high-temperature impact on material properties.
Use appropriate coolants to prevent material charring or delamination.
Plated Through-Holes:
Ensure smooth hole walls for optimal conductivity and mechanical strength.
Lamination Process:
Lamination temperature should be controlled below 280°C to avoid material degradation.
Uniform heating and appropriate pressure ensure strong layer bonding.
Surface Treatment:
Common treatments include ENIG, immersion tin, and OSP.
Avoid high-temperature chemical solutions to prevent material deformation.
Testing and Quality Control:
Electrical Performance Testing:
Use network analyzers to test dielectric constant, loss factor, and impedance consistency.
Ensure reliability in high-frequency signal transmission.
Thermal Cycling Testing:
Simulate actual working environments to verify thermal resistance and long-term reliability.
Assembly Precautions:
Assembly and soldering should be performed in a cleanroom environment to avoid contamination.
Use low-temperature soldering techniques to prevent material damage. - Usage and Storage Precautions
Store materials away from direct sunlight, high humidity, and high temperatures. Room temperature and dry conditions are recommended.
Avoid excessive bending or strong compressive forces during processing to prevent damage to the substrate.
For long-term PCB use, periodic checks on electrical performance and mechanical strength are advisable.
By adhering to these guidelines, Rogers 4003C PCBs can achieve optimal performance in demanding high-frequency applications.
