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What is HDI High Frequency PCB? |
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1. Understanding HDI PCB |
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HDI PCB (High-Density Interconnect Printed Circuit Board) represents a cutting-edge advancement in circuit board technology, designed to meet the increasing demands for miniaturization, high performance, and complex functionality in modern electronic devices. By utilizing high-density interconnect technology, HDI PCBs feature finer trace widths, smaller vias, and significantly higher wiring density compared to traditional PCBs. This enables the integration of more components in a compact space, making them ideal for applications where size, speed, and reliability are critical. |
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2. Key Features |
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2.1 Microvia Technology:
Uses laser-drilled microvias (typically less than 150µm in diameter) to achieve denser routing.
2.2 Multilayer Stacking:
Increases interlayer connection density through blind vias, buried vias, and stacked vias.
2.3 Fine Lines:
Smaller trace widths and spacing to support high-density component placement.
2.4 Thin Materials:
Employs thinner substrates to enhance overall performance. |
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3. Advantages |
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3.1 High-Density Routing:
Accommodates complex circuit designs.
3.2 Signal Integrity:
Reduces signal loss and interference.
3.3 Miniaturization:
Supports compact electronic devices.
3.4 High Performance:
Suitable for high-frequency and high-speed applications. |
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4. Overview of 8-layer TU-883 HDI PCB |
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When it comes to the HDI PCB, the one that impresses me the most is Isola TU-883 HDI PCB.
Discover our advanced 8-layer HDI PCB, built with TU-883 material, a state-of-the-art solution tailored for high-speed, low-loss, and high-frequency applications. This RF PCB is meticulously designed to meet the demanding requirements of modern electronics, delivering exceptional performance, reliability, and precision. Whether you're working on cutting-edge telecommunications systems, high-performance computing solutions, or RF/wireless applications, this High-Density Interconnect (HDI) PCB is the perfect choice for your next-generation projects. |
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4.1 Key Features |
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1.Exceptional Low-Loss Performance:
With a dielectric constant (Dk) of 3.39 @ 10GHz and a dissipation factor (Df) of 0.0045 @ 10GHz, this PCB ensures minimal signal loss, making it perfect for high-frequency applications.
2.Outstanding Thermal Stability:
Featuring a Tg (TMA) of 170°C, TU-883 provides excellent thermal stability, ensuring reliable performance even in high-temperature environments.
3.Eco-Friendly Compliance:
This halogen-free and lead-free material meets stringent environmental regulations and is fully compatible with lead-free reflow processes.
4.Anti-CAF Reliability:
Enhanced resistance to conductive anodic filament (CAF) formation guarantees long-term durability and performance.
5.Superior Moisture Resistance:
Designed to withstand humid conditions, the material offers excellent moisture resistance, preventing degradation over time. |
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4.2 8-layer TU883 PCB Stack-Up |
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The 8-layer stack-up PCB is designed to optimize high-speed signal transmission and enhance thermal management. |
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Layer |
Material |
Thickness (um) |
Specification |
Top Layer |
Copper |
45 |
18um base + 17um plating |
Layer 2 |
TUC-TU883P Prepreg |
89 |
IPC-4101/24 |
Layer 3 |
Copper |
35 |
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Layer 4 |
S1000-2MB Prepreg |
160 |
IPC-4101/24 |
Layer 5 |
Copper |
35 |
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Layer 6 |
FR-4 TU883 Core |
254 |
IPC-4101/24 |
Layer 7 |
Copper |
35 |
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Layer 8 |
S1000-2MB Prepreg |
160 |
IPC-4101/24 |
Bottom Layer |
Copper |
35 |
18um base + 17um plating |
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4.3 Applications of HDI PCB |
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This wholesale HDI PCB is perfectly suited for a variety of high-performance applications, such as:
- Radio frequency
- Backplane, High performance computing
- Line cards, Storage
- Servers, Telecom, Base station
- Office Routers |
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5. Concluding Remarks |
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As a core technology in high-frequency PCBs, HDI PCBs, with their exceptional signal integrity and thermal management capabilities, have driven rapid advancements in 5G, artificial intelligence, and high-speed computing, leading the electronics industry to new heights. |
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Founded in 2003, Shenzhen Bicheng Electronics Technology Co., Ltd is an established high frequency PCB supplier and exporter in Shenzhen, China, serving customers worldwide.
We are devoted to delivering high-frequency PCB products and solutions of the highest quality, along with customized service. Feel free to consult and contant at any time !
Visit https://www.bicheng-enterprise.com to learn more.
Unlock its full potential by contacting Vicky at v.xie@bichengpcb.com. |
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