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Electronic manufacturing industry
RO4350B
With the increasing development of electronic technology. The production of electronic products also places more and more demands on materials, such as high-frequency materials. Take Rogers, for example. Rogers is a company that manufactures laminates used to manufacture circuit boards. But here it does not refer to the company name, but a kind of PCB materials – Rogers material. What this article will introduce is one of Rogers materials- RO4350B. Rogers RO4350B high-frequency board board is fully compatible with traditional PCB manufacturing technology, no need to do through-hole copper plating special pretreatment (PTFE plate needs plasma treatment) or other pre-treatment processes, solder mask process can also grind plates. Compared to traditional microwave material laminates, they are less expensive, so they are widely used in active devices and high power RF designs required for fire rating UL 94V-0.
Table of Contents

What is Rogers PCB material

Before we introduce about the RO4350B, we need to know about the Rogers PCB and materials. Rogers PCB board is a material produced by Rogers Company dedicated to high-frequency PCB and RF PCB. It is different from traditional printed circuit board epoxy resin. No glass fiber in the middle is a ceramic-based high-frequency material, and has excellent dielectric constant and temperature stability, making it ideal for harsh environments exposed to extreme temperatures and vibrations, and can be widely used in high-frequency power distribution and circuit boards of CPUs, switches, connectors, etc.

The materials of Rogers series is mainly classified as RO3000 series, RT6000 series and TMM series. In addition, RO4350B in the RO4000 series has advantages over ordinary circuit materials in high-frequency applications due to its low dielectric loss, and the dielectric constant of temperature fluctuations is almost the lowest in the same material.

What is RO4350B material

What is RO4350B material

Rogers RO4350B high-frequency plate material is a proprietary textile glass cloth reinforced ceramic filler/hydrocarbon composite material that combines the electrical properties of PTFE/glass cloth materials with the processability of epoxy/glass cloth. RO4350B helps improve dielectric strength and does not need for special through-hole plating pre-treatment or operating procedures as with PTFE-based microwave materials. RO4350B is UL 94V-0 fire rated for active equipment and high-voltage RF designs.

What is the advantage of RO4350B

RO4350B ensures good thermal stability, achieves the optimization of cost and high frequency performance, and is the most cost-effective low-loss high-frequency plate. The dimensional stability and high reliability of the whole product in PCB processing and assembly will bring more benefits to the design of multilayer circuits.

1- Low RF loss: Df: 0.0037@10GHz

2- Low dielectric constant: Dk: 3.48+/-0.05 and fluctuate with temperature

3- Low expansion coefficient

4- Low dielectric constant tolerance

5- Excellent dimensional stability

6- Stable electrical characteristics.

7- The processing technology is similar to FR-4, and it is easy to mass produce and multi-layer mixing of FR4, so it has a great price competitive advantage

What is the application of RO4350B

Rogers is a high-frequency board material produced by Rogers in the United States, which is mainly used in radar, communications, aviation and other high-frequency and high-speed PCB fields. Among them, Rogers RO4350B meets the requirements of commercial-grade equipment manufacturers for high-frequency microwave RF PCBs as a hydrocarbon/ceramic laminate with a dielectric constant of 3.48. The following are specific application areas:
the application of RO4350B
RF and microwave products
Cell base station antennas
Power amplifiers
Wearables
Microwave point-to-point connection (P2P)
Automotive radar and sensors
Radio frequency identification (RFID) tags
High frequency head (LNB)
Communication and satellites

What is the dielectric constant of RO4350B

The dielectric constant (Dk: 3.48+/-0.05) of Rogers RO4350B high-frequency sheet has tight tolerance control, low loss characteristics (Df:0.0037@10GHz), easy to mass produce CAF resistance (ion migration resistance), and RO4350B processing technology can be the same as standard epoxy/glass cloth.

What is the thickness of RO4350B

The thickness of conventional Rogers RO4350B high-frequency board material can be divided into several types according to product performance requirements and use environments: 0.004mil; 0.066mil; 0.010mil; 0.0133mil; 0.0166mil; 0.020mil; 0.030mil; 0.060mil.

Comparison of parameters of high-frequency laminate Rogers RO4003C and RO4350B

RO4003C and RO4350B both are glass-cloth-reinforced ceramic/hydrocarbon laminates that are widely used in RF/microwave frequency circuits or high-speed signals where dielectric constant (Dk) stability is required. There are many factors that should be considered when choosing a board when designing a circuit board. The following is the parameter table of Rogers RO4003C and RO4350B, I hope it can help you choose.RO4003C and RO4350B

Conclusion

RO4350B not only has good high-frequency performance, low RF loss and excellent power characteristics, but also has the advantages of low production cost and can be mixed with FR4 multi-layer, which makes it the first choice material for many advanced PCB manufacturers. After know all the above about RO4350B, if you need related PCB production, design and assembly services, you can contact IBE- It is a professional one-stop PCBA manufacturer with 18 years of experience, which can provide you with all services including PCB design, PCB manufacturing, electronic component procurement, PCB assembly, PCBA testing, packaging and shipping
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