RO4350B Производитель керамических гибридных высокочастотных печатных плат | 8-Слой, 2.5мм, СОГЛАШАТЬСЯ

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, стандартный материалы для печатных плат fall short. UGPCB introduces its high-performance Высокочастотная печатная плата solution based on Rogers RO4350B ceramic hybrid material. Designed for critical applications like communication instruments, радиолокационные системы, and satellite receivers, этот RF печатная плата delivers reliable and stable performance.

1. Обзор продукта & Определение

This product is an 8-layer high-frequency PCB manufactured using a “Rogers RO4350B Laminates and FR4 Hybrid Lamination” процесс. This innovative Hybrid Construction PCB strategically combines high-performance ceramic-filled PTFE material (РО4350Б) 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 дизайн печатной платы represents an intelligent choice for balancing performance and budget.

2. Критические соображения дизайна

1. Точный контроль импеданса: The RO4350B material offers a stable and low Диэлектрическая проницаемость (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 (Дф) of RO4350B is foundational. Designers should also employ appropriate trace width, copper weight, and smooth copper foil surfaces (like reversed foil) to further minimize insertion loss.

4. Тепловое управление: Although the теплопроводность (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. Как это работает & Ключевые особенности

Принцип работы

На высоких частотах (typically above 500MHz), skin effect is significant, and signal integrity is highly susceptible to the dielectric properties of the substrate. The RO4350B ceramic hybrid High Frequency Circuit Board minimizes signal energy loss (вносимая потеря) and phase distortion during transmission through its stable dielectric constant and very low loss tangent, ensuring low-noise, high-fidelity signal transmission.

Ключевые особенности & Производительность

• 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 & Тепловая надежность: 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 УЛ 94В-0 Рейтинг воспламеняемости.

• Надежная обработка поверхности: Погружение Золото (СОГЛАШАТЬСЯ) treatment provides a flat soldering surface, отличная стойкость к окислению, and good contact conductivity, suitable for high-frequency signal connections and fine-pitch component soldering.

4. Материалы & Структура

• Primary Materials: Роджерс RO4350B (ceramic-filled PTFE composite) and FR-4 epoxy glass laminate.

• Проводящие слои: 1ОЗ (35мкм) Electrolytic Copper Foil.

• Поверхностная отделка: Химическое никель, иммерсионное золото (СОГЛАШАТЬСЯ).

• Толщина готовой доски: 2.5мм (± 10%).

• Диэлектрическая толщина: 0.338мм (типичный, varies based on specific lamination structure).

• Board Structure: 8-layer board. 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. Научная классификация

1. По типу материала: Ceramic-Filled PTFE Hybrid Dielectric High-Frequency PCB / Composite Dielectric Substrate PCB.

2. По частоте применения: РЧ-микроволновая печатная плата / High-Frequency High-Speed PCB.

3. По структуре & Процесс: 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. Точная ламинирование: Strict control of lamination parameters (давление, температура, время) 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 (например, Тр) для 100% sampling or full inspection.

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

7. Основные приложения & Варианты использования

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, антенны, фильтры, дуплекторы.

• Satellite Communication & Радиолокационные системы: Satellite receivers, radar transceiver modules, navigation systems.

• Тест & Измерительные приборы: Network analyzers, анализаторы спектра, high-frequency signal sources.

• Автомобильная электроника: 77Радар миллиметрового диапазона ГГц, Расширенные системы помощи водителю (Адас).

• Беспроводная инфраструктура: 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 Высокочастотная доска 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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