Author: Grace

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Commonly used failure analysis techniques for PCB
ByGrace July 3, 2025July 3, 2025
As the carrier of various components and the hub of circuit signal transmission, PCB has become the most important and critical part of electronic information products. Its quality and reliability level determine the quality and reliability of the whole equipment. However, due to cost and technical reasons, a large number of failure problems have occurred…
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Functional principle analysis of PCB detection circuit
ByGrace July 2, 2025July 1, 2025
1 Introduction When electronic engineers are doing reverse design or repair work on electronic equipment, they first need to understand the connection relationship between the components on the unknown printed circuit board (PCB), so they need to measure and record the connection relationship between the pins of each component on the PCB. The simplest method…
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Main Trends and Technologies of PCB Sequential Lamination
ByGrace July 2, 2025July 1, 2025
The trend of utilizing electronic products is the driving force for generating more technological innovations. With the development of the times, electronic innovations have also become smarter over time. Electronic devices are meeting their needs in various fields from home to rocket technology. As the demand graph reaches its peak, the market competition is getting…
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PCB film product manufacturing process
ByGrace July 2, 2025July 2, 2025
The manufacturing process of PCB (printed circuit board) using resin film products has unique technical characteristics and advantages, which is worth in-depth discussion. Resin film is a functional material, usually made of polyimide (PI), polyester (PET) or other synthetic resins. The excellent properties of these materials make PCB widely used in modern electronic devices. First,…
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PCB Board Manufacturing vs. Prototyping: Key Differences Explained
ByGrace July 2, 2025July 2, 2025
Introduction Printed Circuit Board (PCB) technology forms the foundation of modern electronics, with two fundamental processes serving different stages of product development: PCB manufacturing (board fabrication) and PCB prototyping (sample production). While these terms are sometimes used interchangeably, they represent distinct phases in the electronics production cycle with different objectives, processes, and requirements. This 2000-word…
Read More PCB Board Manufacturing vs. Prototyping: Key Differences Explained
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How to design PCB for electromagnetic interference
ByGrace July 2, 2025July 7, 2025
The frequency of electronic signals and processors of electronic equipment is constantly increasing, and the electronic system has become a complex device containing multiple components and many subsystems. High density and high speed will increase the radiation of the system, while low voltage and high sensitivity will reduce the anti-interference of the system. Therefore, electromagnetic…
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Understanding Creepage Distance in PCB Design
ByGrace July 2, 2025July 2, 2025
Introduction to Creepage Distance In printed circuit board (PCB) design, creepage distance represents a critical safety parameter that determines the shortest path between two conductive parts along the surface of the insulating material. This concept plays a fundamental role in ensuring electrical safety and preventing potential failures in electronic devices. Creepage distance differs from clearance…
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How to add network numbers to a PCB without a network
ByGrace July 2, 2025July 2, 2025
How to manually add a network to a PCB in Altium? A: As shown in Figure 1, many old Protel engineers are generally accustomed to drawing wire strips without a network directly in the PCB for PCB design. Often, only the design engineer himself is clear about the connection relationship, which will cause considerable trouble…
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Key Considerations for Power Plane Design in PCB Layout
ByGrace July 2, 2025July 2, 2025
Introduction Power integrity is a critical aspect of printed circuit board (PCB) design, directly impacting the performance, stability, and reliability of electronic systems. A well-designed power distribution network (PDN) ensures stable voltage levels, minimizes noise, and reduces electromagnetic interference (EMI). Among the key elements of PDN design, the power plane plays a vital role in…
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Characteristics of PCB Curve Cutting Machines
ByGrace July 2, 2025July 7, 2025
Introduction Printed Circuit Board (PCB) manufacturing involves multiple precision processes, and one of the critical steps is separating individual PCBs from a larger panel. Traditional straight-line cutting methods are limited when dealing with complex PCB shapes, leading to the development of PCB curve cutting machines. These advanced machines utilize high-precision mechanical and optical systems to…
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How to Judge PCB Quality at a Glance: A Comprehensive Guide
ByGrace July 2, 2025July 7, 2025
Printed Circuit Boards (PCBs) form the foundation of nearly all modern electronic devices, from smartphones to industrial equipment. The quality of a PCB directly impacts the performance, reliability, and longevity of the final product. For engineers, procurement specialists, and quality control professionals, the ability to quickly assess PCB quality is an invaluable skill. This 2000-word…
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How to reduce the design cost and curvature of PCB boards
ByGrace July 2, 2025July 2, 2025
If the wiring does not require an extra layer, why use it? Wouldn’t reducing the layer make the board thinner? Wouldn’t the cost be lower if the board had one less layer? However, in some cases, adding a layer can reduce costs. PCB boards have two different structures: core structure and foil structure. In the…
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High-Speed Digital PCB Design Considerations
ByGrace July 2, 2025July 2, 2025
Abstract This paper explores the critical considerations in designing printed circuit boards (PCBs) for high-speed digital circuits. As digital systems continue to operate at higher frequencies with faster edge rates, traditional PCB design approaches become inadequate. This article examines signal integrity, power integrity, electromagnetic compatibility, material selection, and layout techniques essential for successful high-speed digital…
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Best Practices for Thickening Power Traces in PCB Design
ByGrace July 2, 2025July 2, 2025
Introduction In printed circuit board (PCB) design, power delivery is a critical aspect that directly impacts the performance, reliability, and efficiency of electronic devices. Power traces must be designed to handle the required current without excessive voltage drop, overheating, or signal integrity issues. One of the most effective ways to ensure robust power distribution is…
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Methods for Cleaning Flux Residues from PCB Boards
ByGrace July 1, 2025June 30, 2025
Introduction Printed Circuit Boards (PCBs) are essential components in modern electronics, and the soldering process is crucial for assembling components onto them. During soldering, flux is used to remove oxides, improve wetting, and ensure reliable solder joints. However, flux residues left on PCBs can cause corrosion, electrical leakage, and reduced performance if not properly cleaned….
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