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Explore the impact of several factors on PCB heat dissipation
ByGrace July 3, 2025July 3, 2025
Temperature is one of the key factors that limit device power and performance. Any power chip application engineer must pay attention to the problem of thermal resistance when designing. When θJC is relatively low, the reduction of θJA is particularly important, and the thermal resistance θJA is highly dependent on the design of the PCB….
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How to Properly Operate PCB Panelization: A Comprehensive Guide
ByGrace July 3, 2025July 3, 2025
Introduction Printed Circuit Board (PCB) panelization is a crucial step in the PCB manufacturing process that involves arranging multiple PCB designs onto a single panel for efficient production. Proper panelization ensures cost-effectiveness, improves assembly efficiency, and enhances the overall quality of the final product. However, incorrect panelization can lead to manufacturing defects, increased costs, and…
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Etching process of PCB outer layer circuit
ByGrace July 3, 2025July 3, 2025
I. Overview At present, the typical process of printed circuit board (PCB) processing adopts “graphic electroplating method”. That is, a lead-tin anti-corrosion layer is pre-plated on the copper foil part of the outer layer of the board to be retained, that is, the graphic part of the circuit, and then the rest of the copper…
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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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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 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…
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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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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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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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Let PCB Shielding Protect Your Design
ByGrace July 1, 2025June 30, 2025
In the 7th century BC, Greek soldiers or heavy infantry carried a large concave circular shield called a hoplon. Made of bronze and wood, the hoplon or Argive shield protected the heavy waist from chin to knees and when overlapped became the basis of the Greek phalanx. In the early 20th century, Ethiopians fought against…
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The Role and Addition Methods of Teardrops in PCB Design
ByGrace July 1, 2025July 1, 2025
Abstract In printed circuit board (PCB) design, teardrops are small, tapered connections between pads and traces or vias and traces that enhance reliability and manufacturability. This article explores the significance of teardrops in PCB design, their benefits, and various methods to add them using modern electronic design automation (EDA) tools. 1. Introduction PCB design involves…
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Detection Circuit in PCB Reverse Design System
ByGrace July 1, 2025July 1, 2025
1 Introduction When electronic engineers are performing 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 connectivity relationship between the pins of each component on the PCB. The simplest method…
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How to avoid electromagnetic problems in PCB design
ByGrace July 1, 2025July 1, 2025
In PCB design, electromagnetic compatibility (EMC) and related electromagnetic interference (EMI) have always been two major problems that engineers are worried about, especially in today’s situation where circuit board design and component packaging are constantly shrinking and OEMs require higher-speed systems. This article will share with you how to avoid electromagnetic problems in PCB design….
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7 Key Advantages of PCB Surface Finishes
ByGrace July 1, 2025July 1, 2025
Printed Circuit Boards (PCBs) are essential components in modern electronics, providing the foundation for electrical connections between components. One critical aspect of PCB manufacturing is the surface finish, which protects exposed copper from oxidation and ensures reliable solderability. Different surface finishes offer unique benefits depending on the application. In this article, we explore the seven…
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The Application of DFM Software in PCB Design
ByGrace July 1, 2025July 1, 2025
1. Introduction Printed Circuit Board (PCB) design is a critical phase in electronics manufacturing, where functionality, reliability, and manufacturability must be carefully balanced. As electronic devices become more complex, the need for efficient and error-free PCB production has grown significantly. Design for Manufacturability (DFM) principles ensure that PCB designs are optimized for production, reducing costs,…
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