Year: 2025

A Comprehensive Guide to the Selection and Application of PCB Board-Level Underfill Materials

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A Comprehensive Guide to the Selection and Application of PCB Board-Level Underfill Materials

In the field of electronic manufacturing, underfill materials play a crucial role in ensuring the reliability of electronic devices. Today, we will delve into the IPC J-STD-030A standard document, providing a comprehensive understanding of the selection and application points for board-level underfill materials. Underfill Materials: The “Stabilizers” of Electronic Devices Underfill materials are primarily used … Read more

How to Improve High-Speed PCB Design Efficiency in the Era of Big Data?

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How to Improve High-Speed PCB Design Efficiency in the Era of Big Data?

In the era of big data, the signal transmission rates of various devices, whether in data center solutions, automotive and industrial equipment, or everyday consumer electronics, are increasing at an unprecedented pace. For example, PCIe 6.0 has reached a transmission rate of 64Gbps; USB4 follows closely with a speed of 40Gbps; and the parallel bus … Read more

Common Circuits in PCB Design

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Common Circuits in PCB Design

Follow+Star Public Account Number, don’t miss out on exciting contentSource | Internet When designing electronic circuits, practical experience is crucial, but it is built upon theoretical knowledge. Therefore, we still need to master some common electronic knowledge. The following organizes some common circuits, displayed in dynamic graphics. 1. Single-Phase Bridge Rectifier Circuit 2. Single-Phase Half-Wave … Read more

Blind and Buried Via Plating Technology: Decoding the Precision Process of High-Density Interconnect PCB Manufacturing

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Blind and Buried Via Plating Technology: Decoding the Precision Process of High-Density Interconnect PCB Manufacturing

How does traditional plating address the “dog bone effect” and void defects when the aspect ratio of the interlayer vias exceeds 10:1? Technical Principles and Process Challenges Structural Characteristics of Blind and Buried Vias Definition Differences Blind Via: Connects outer layers to inner layers, typically 50-200μm deep Buried Via: Completely embedded within inner layers, aspect … Read more

PCB Design for Intelligent Warehouse Robots

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PCB Design for Intelligent Warehouse Robots

With the gradual development of technology, various industries are increasingly integrating intelligence.For example, in traditional restaurants, the serving model used to involve human servers bringing dishes to customers’ tables. Now, some restaurants are beginning to equip each table with an iPad for self-service ordering, with delivery robots bringing the food to the table, which customers … Read more

Sailing Forward Together: Huaxun Networks Partners with Leading PCB Companies to Build a Global IT Foundation and Open New Chapters in Overseas Expansion

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Sailing Forward Together: Huaxun Networks Partners with Leading PCB Companies to Build a Global IT Foundation and Open New Chapters in Overseas Expansion

Background In the wave of restructuring and accelerated adjustment of the global electronic manufacturing supply chain, more and more leading PCB companies are turning their attention to overseas markets to enhance supply chain resilience and meet global customer demands. Southeast Asia, with its complete manufacturing ecosystem, superior geographical advantages, and strong policy support, is rapidly … Read more

Wanyuantong: The Invisible Champion in the PCB Sector, How Long Can It Benefit from the Dual Dividends of AI and New Energy Vehicles?

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Wanyuantong: The Invisible Champion in the PCB Sector, How Long Can It Benefit from the Dual Dividends of AI and New Energy Vehicles?

1. Introduction to Wanyuantong: From Consumer Electronics to AI Computing Power “PCB Expert” I am Lao Li, having navigated the stock market for many years, I have seen too many companies rise and fall. Recently, I have focused on a PCB company called Wanyuantong, not for any other reason, but because it has accurately positioned … Read more

Analysis of the Value Chain of China’s Printed Circuit Board (PCB) Industry in 2025

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Analysis of the Value Chain of China's Printed Circuit Board (PCB) Industry in 2025

For more details, please visit www.cpcashow.com Structure of the Printed Circuit Board Industry ChainThe printed circuit board (PCB) manufacturing industry has a long value chain, with specialized wood pulp paper, electronic-grade fiberglass cloth, electrolytic copper foil, copper-clad laminate (CCL), and printed circuit boards (PCBs) being closely interconnected upstream and downstream products.From the perspective of the … Read more

The Relationship Between Current and Trace Width That PCB Engineers Need to Know

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The Relationship Between Current and Trace Width That PCB Engineers Need to Know

1. PCB Current and Trace Width The calculation of PCB current-carrying capacity has long lacked authoritative technical methods and formulas. Experienced CAD engineers can make relatively accurate judgments based on personal experience. However, for new CAD users, this can be quite a challenge. The current-carrying capacity of a PCB depends on the following factors: trace … Read more

Analysis of Failure Causes for PCB Via Breakage (Corrosive Via Breakage)

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Analysis of Failure Causes for PCB Via Breakage (Corrosive Via Breakage)

1. Introduction The copper in the vias of a printed circuit board (PCB) is akin to the neural network (blood vessels) of the human body, interspersed within the substrate “body” to provide the basic pathways for signal transmission and current conduction. Once a via copper break occurs, it is like a nerve being severed, preventing … Read more