Name: Rogers RO4350B RF Microwave Circuit Boards
Brand: PCB Printed Circuit Board and PCBA manufacturing
Rating: 5 (1 reviews)

Description
Data Sheet

1. Industry Demand for Small-Size Low-Cost RF Antennas

With the continuous increase in built-in functions of wireless systems, the demand for small-size, low-cost printed circuit antennas is growing rapidly. For example, a single mobile phone must support multiple functions such as Bluetooth, cellular communication, and the Global Positioning System (GPS). To cover the multiple cellular communication bands integrated in a device, several different types of antennas are required. Traditionally, antennas are often fabricated on ceramic substrate materials—thanks to the high permittivity of ceramic substrates, the space occupied by the antenna can be effectively reduced. However, Rogers RO4350B, a typical high-frequency laminate, offers a low-cost alternative: for the RF and digital electronic components of the portable field strength meter under development, the size and space occupied by the antenna fabricated on RO4350B material are equivalent to those on ceramic substrates, achieving a balance between performance, size, and cost.

2. Overview of Rogers RO4350B PCB Material

Rogers RO4350B PCB material is a glass-reinforced hydrocarbon/ceramic composite, which can be processed using the same techniques as low-cost printed circuits fabricated on FR-4 substrate materials. This processing compatibility greatly reduces manufacturing costs and improves production efficiency. At 10 GHz, RO4350B has a stable dielectric constant (DK) of 3.48, making it widely used in the design of high-frequency power amplifiers. In addition, the RO4350B laminate features a low coefficient of thermal expansion (CTE) along the Z-axis, which ensures high stability of multi-layer circuits interconnected by metallized vias (PTH), effectively avoiding reliability issues such as via failure caused by thermal expansion mismatch.

3. Real Project Display

In practical engineering projects, Rogers RO4350B has been fully verified for its excellent performance in antenna applications. As a hydrocarbon/ceramic laminate with a dielectric constant of 3.48, it successfully replaces ceramic substrates in scenarios requiring small-size antennas, while maintaining low cost and stable performance, providing reliable support for the miniaturization and cost control of wireless devices.

4. Core Advantages of Rogers RO4350B

Rogers RO4350B integrates multiple performance advantages, making it an ideal choice for small-size low-cost RF antennas and high-frequency PCBs. Its key advantages are as follows:

Low dielectric constant (DK) fluctuation with temperature: Maintains stable DK performance under different working temperature conditions, ensuring consistent antenna signal transmission and circuit operation.
Low Z-axis thermal expansion coefficient (CTE): Enhances the stability of multi-layer circuits and metallized vias (PTH), improving the long-term reliability of PCBs and antennas.
Low in-plane expansion coefficient: Avoids board warpage during processing and use, ensuring the dimensional accuracy of antennas and facilitating component mounting.
Low DK tolerance: Ensures consistent performance of batch products, facilitating quality control in mass production and reducing performance deviations.
Stable electrical characteristics at different frequencies: Adapts to a wide range of high-frequency bands, meeting the diverse application needs of wireless systems and antennas.
Easy for mass production and compatible with FR4 multi-layer mixing: It can be seamlessly mixed with FR4 materials for multi-layer PCB manufacturing, realizing cost savings while ensuring performance, and featuring high cost-effectiveness.

5. RF/Microwave PCB Application Overview

Radio frequency (RF) printed circuit boards (PCBs) have become an increasingly indispensable technology in the PCB industry, with their application scope expanding rapidly alongside the development of new electronic technologies. They are classified based on operating frequency:

RF PCBs: Operate at frequencies above 100 MHz, suitable for a variety of general high-frequency electronic devices and communication systems, including wireless antennas.
Microwave PCBs: Operate at frequencies above 2 GHz, mainly used in high-frequency communication, radar, and microwave equipment that require high signal integrity.

RF PCBs are widely applied in various fields, including remote controls (wireless controls), security systems, smartphones, sensors, and other electronic products. The continuous advancement of new technologies such as 5G, IoT, and portable electronic devices has further increased the demand for RF applications, which in turn imposes higher requirements on PCB manufacturing quality standards and material selection.

Understanding the properties of various RF materials is crucial for PCB manufacturing. For small-size, low-cost, and high-performance RF antenna applications, choosing the right material such as Rogers RO4350B is perhaps the most critical decision in the production process of RF PCBs, as it directly determines the performance, size, cost, and reliability of the final product.

Model: Rogers RO4350B High Frequency Board
Material: Rogers RO4350B
Layer: 2L
DK: 3.48
Dielectric Thickness: 0.508mm
Thermal Conductivity: 0.69w/m.k
Flammability: V-0
Finished Thickness: 0.65MM
Copper Thickness: 1OZ
Surface Treatment: Immersion Gold
Application: Radio Frequency Communication Instrument

Rogers RO4350B RF Microwave Circuit Boards

Description

Data Sheet

1. Industry Demand for Small-Size Low-Cost RF Antennas

2. Overview of Rogers RO4350B PCB Material

3. Real Project Display

4. Core Advantages of Rogers RO4350B

5. RF/Microwave PCB Application Overview