Fabricante de PCB de alta frequência híbrida cerâmica RO4350B | 8-Camada, 2.5milímetros, CONCORDAR

Engineered for High-Frequency Communications: The RO4350B Ceramic Hybrid PCB Solution

In the world of high-frequency communications where signal speed and integrity are paramount, padrão Materiais de PCB fall short. UGPCB apresenta seu alto desempenho PCB de alta frequência solution based on Rogers RO4350B ceramic hybrid material. Designed for critical applications like communication instruments, sistemas de radar, and satellite receivers, esse PCB RF delivers reliable and stable performance.

1. Visão geral do produto & Definição

Este produto é um 8-layer high-frequency PCB manufactured using a “Rogers RO4350B Laminates and FR4 Hybrid Lamination” processo. This innovative Hybrid Construction PCB strategically combines high-performance ceramic-filled PTFE material (RO4350B) with cost-effective FR4. The RO4350B material is used in critical signal layers to ensure exceptional high-frequency performance, while FR4 is used in inner power and ground layers for optimal cost-efficiency. This Mixed Dielectric Projeto de PCB represents an intelligent choice for balancing performance and budget.

2. Considerações Críticas de Design

1. Controle preciso de impedância: O RO4350B material offers a stable and low Constante dielétrica (Dk=3,48). Combined with precision manufacturing processes, it enables highly accurate impedance control (typically ±5% or better), ensuring signal integrity for high-speed transmission.

2. Hybrid Stack-up Design: The design must clearly separate high-frequency signal layers (using RO4350B dielectric) from power/ground planes (which may use FR4). Rational stack-up planning is key to leveraging the benefits of hybrid material PCBs and controlling costs.

3. Low-Loss Design: The inherently low dissipation factor (Df) of RO4350B is foundational. Designers should also employ appropriate trace width, peso de cobre, and smooth copper foil surfaces (like reversed foil) to further minimize insertion loss.

4. Gerenciamento térmico: Although the condutividade térmica (0.69W/m.K) of RO4350B is superior to most standard FR4, high-power applications still require careful thermal management through proper layout, thermal vias, and potential additional heat sinking.

3. Como funciona & Principais recursos

Princípio de funcionamento

Em altas frequências (typically above 500MHz), skin effect is significant, and signal integrity is highly susceptible to the dielectric properties of the substrate. The RO4350B ceramic hybrid Placa de circuito de alta frequência minimizes signal energy loss (perda de inserção) and phase distortion during transmission through its stable dielectric constant and very low loss tangent, ensuring low-noise, high-fidelity signal transmission.

Principais recursos & Desempenho

• Superior High-Frequency Stability: Stable Dk value across frequency and temperature variations ensures consistent and reliable circuit performance.

• Exceptionally Low Signal Loss: Optimized for high-frequency applications, it significantly reduces signal attenuation, improving system SNR and transmission range.

• Excellent Mechanical & Confiabilidade térmica: Glass-reinforced for high rigidity; resistant to high temperatures with a CTE matched to copper, enhancing long-term reliability.

• Effective Heat Dissipation: A thermal conductivity of 0.69W/m.K aids in dissipating heat from high-power components, ensuring system stability.

• Compliance with Safety Standards: The laminate meets the stringent UL 94V-0 Classificação inflamabilidade.

• Acabamento de superfície confiável: Imersão Ouro (CONCORDAR) treatment provides a flat soldering surface, excelente resistência à oxidação, and good contact conductivity, suitable for high-frequency signal connections and fine-pitch component soldering.

4. Materiais & Estrutura

• Materiais Primários: Rogers RO4350B (ceramic-filled PTFE composite) and FR-4 epoxy glass laminate.

• Camadas condutivas: 1OZ (35μm) Electrolytic Copper Foil.

• Acabamento superficial: Ouro de imersão em níquel eletrolítico (CONCORDAR).

• Espessura da placa acabada: 2.5milímetros (± 10%).

• Espessura dielétrica: 0.338milímetros (típico, varies based on specific lamination structure).

• Estrutura do Conselho: 8-placa de camada. A typical stack-up involves a symmetrical or asymmetrical combination like [FR4-PP-RO4350B Core-RO4350B Core-PP-FR4], determined by electrical design requirements.

5. Classificação Científica

1. Por tipo de material: Ceramic-Filled PTFE Hybrid Dielectric High-Frequency PCB / Composite Dielectric Substrate PCB.

2. Por frequência de aplicação: PCB de micro-ondas RF / High-Frequency High-Speed PCB.

3. Por estrutura & Processo: Multilayer Hybrid Laminate PCB / 8-Layer Precision Controlled Impedance Board.

6. Key Control Points in Production Flow

UGPCB possesses mature manufacturing processes for High Frequency Printed Circuit Boards. Critical control points include:

1. Laminação de precisão: Strict control of lamination parameters (pressão, temperatura, tempo) for RO4350B and FR4 to prevent delamination/voids and maintain consistent dielectric thickness.

2. Fine-Line Etching: Utilization of high-precision imaging transfer technology to ensure trace edge smoothness and dimensional accuracy.

3. Stringent Impedance Control: End-to-end monitoring from design simulation to production, using advanced testing equipment (por exemplo, Tdr) para 100% sampling or full inspection.

4. Low-Loss Surface Treatment: Optimized ENIG process to ensure uniform plating, controlled thickness, and avoidance of issues like “níquel preto” that degrade high-frequency performance.

7. Aplicações primárias & Casos de uso

This product is designed for fields with stringent requirements for signal frequency and integrity, serving as a core component in High-Frequency Communication Equipment.

• Communication Base Stations: 5G/4G Base Station RF power amplifiers, antenas, filtros, duplexadores.

• Comunicação via satélite & Sistemas de radar: Satellite receivers, radar transceiver modules, navigation systems.

• Teste & Instrumentos de medição: Network analyzers, analisadores de espectro, high-frequency signal sources.

• Eletrônica Automotiva: 77Radar de ondas milimétricas de GHz, Sistemas avançados de assistência ao motorista (ADAS).

• Infraestrutura sem fio: Point-to-point microwave links, wireless access equipment.

Get Your High-Frequency PCB Solution Now

Your next-generation high-performance communication instrument deserves a more reliable core. UGPCB’s RO4350B Ceramic Hybrid Placa de alta frequência is ready to power your lead in the signal age.

Click to contact our High-Frequency PCB experts for a free design consultation and an instant quote!
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