Author: Grace

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Analysis of Copper-less Holes in PCBs and Improvement Methods
ByGrace June 8, 2025June 6, 2025
Abstract Printed Circuit Boards (PCBs) are essential components in modern electronics, providing mechanical support and electrical connections for electronic components. One common defect in PCB manufacturing is the occurrence of copper-less holes (also known as “voids” or “non-plated through-holes”), which can lead to poor electrical conductivity and reliability issues. This paper analyzes the causes of…
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PCB Pad Design Standards: A Comprehensive Guide
ByGrace June 7, 2025June 5, 2025
Introduction to PCB Pad Design Printed Circuit Board (PCB) pad design is one of the most critical aspects of PCB layout that directly affects the manufacturability, reliability, and performance of electronic assemblies. Pads serve as the connection points between component leads and the conductive traces on the PCB. Proper pad design ensures strong mechanical bonds,…
Read More PCB Pad Design Standards: A Comprehensive Guide
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Why Does AME Need 3D PCB Structure?
ByGrace June 7, 2025June 5, 2025
Introduction In the rapidly evolving field of Advanced Manufacturing Engineering (AME), the demand for more sophisticated, compact, and high-performance electronic systems has never been greater. As electronic devices become increasingly complex while simultaneously shrinking in size, traditional two-dimensional (2D) printed circuit board (PCB) designs are reaching their physical limitations. This has led to the emergence…
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Is It Necessary to Remove Dead Copper in PCB Design?
ByGrace June 7, 2025June 5, 2025
Introduction Printed Circuit Board (PCB) design involves numerous considerations that affect the performance, reliability, and manufacturability of the final product. One such consideration is the treatment of “dead copper” or “copper islands”—isolated copper areas on the PCB that are not connected to any net or ground plane. The question of whether to remove dead copper…
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Protecting PCBs from Environmental Conditions Through Coating
ByGrace June 7, 2025June 5, 2025
Introduction Printed Circuit Boards (PCBs) are the backbone of modern electronics, found in everything from consumer devices to industrial machinery and aerospace systems. However, PCBs are often exposed to harsh environmental conditions such as moisture, dust, chemicals, and temperature fluctuations, which can lead to corrosion, short circuits, and eventual failure. To enhance their durability and…
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Optimization Methods for Densely Packed Solder Joints in PCB Design
ByGrace June 7, 2025June 5, 2025
Abstract As electronic devices continue to shrink in size while increasing in functionality, printed circuit board (PCB) designs face significant challenges in managing densely packed solder joints. Overly dense solder joints can lead to manufacturing defects, reduced reliability, and signal integrity issues. This paper explores various optimization techniques for managing high-density solder joints in PCB…
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Crystal Oscillator and PCB Mismatch: Causes, Effects, and Solutions
ByGrace June 7, 2025June 5, 2025
Introduction Crystal oscillators (XO) are critical components in electronic circuits, providing precise clock signals for microcontrollers, processors, and communication modules. However, a common issue in PCB (Printed Circuit Board) design and manufacturing is the mismatch between the crystal oscillator and the PCB. This misalignment can lead to frequency instability, signal distortion, or complete circuit failure….
Read More Crystal Oscillator and PCB Mismatch: Causes, Effects, and Solutions
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How Are PCB Boards Made? A Comprehensive Guide to the PCB Manufacturing Process
ByGrace June 7, 2025June 5, 2025
Printed Circuit Boards (PCBs) are the backbone of modern electronics, found in everything from smartphones and laptops to medical devices and aerospace systems. But how exactly are these intricate boards manufactured? This article explores the step-by-step process of PCB fabrication, covering design, material selection, etching, drilling, plating, and final assembly. 1. Introduction to PCB Manufacturing…
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How to Successfully Design and Manufacture High-Complexity PCBs and PCBAs
ByGrace June 7, 2025June 5, 2025
Introduction Printed Circuit Boards (PCBs) and Printed Circuit Board Assemblies (PCBAs) are the backbone of modern electronics. As technology advances, the demand for high-complexity PCBs and PCBAs continues to grow. These boards are found in applications such as aerospace, medical devices, telecommunications, and high-performance computing, where reliability, precision, and performance are critical. Designing and manufacturing…
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Signal Integrity Issues in PCB Design: Analysis and Solutions
ByGrace June 7, 2025June 5, 2025
Abstract Signal Integrity (SI) is a critical aspect of high-speed PCB design, affecting the performance and reliability of electronic systems. As data rates increase and signal rise times decrease, maintaining signal integrity becomes more challenging. This paper explores common SI issues in PCB design, including impedance mismatches, crosstalk, reflections, and power integrity problems. Additionally, mitigation…
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How to Extract PCB Parameters from a DUT (Device Under Test)
ByGrace June 7, 2025June 5, 2025
Introduction In modern electronics manufacturing and testing, the ability to extract Printed Circuit Board (PCB) parameters from a Device Under Test (DUT) is crucial for quality control, reverse engineering, and performance validation. This process involves various techniques to measure and analyze electrical, mechanical, and material characteristics of PCBs without damaging the device. This 2000-word article…
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The Relationship Between Power Supply Layout and EMC
ByGrace June 7, 2025June 5, 2025
Abstract Electromagnetic Compatibility (EMC) is a critical consideration in modern electronic design, ensuring that devices operate without interfering with other systems or being affected by external electromagnetic disturbances. One of the key factors influencing EMC performance is the layout of the power supply circuitry. This paper explores the relationship between power supply layout and EMC,…
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Why Design Balanced Stackup PCBs? What Are the Advantages?
ByGrace June 7, 2025June 5, 2025
Introduction Printed Circuit Boards (PCBs) are the backbone of modern electronics, providing mechanical support and electrical connectivity for components. As electronic devices become more complex and operate at higher frequencies, PCB design must evolve to meet performance demands. One critical aspect of advanced PCB design is the balanced stackup, which ensures signal integrity, power distribution,…
Read More Why Design Balanced Stackup PCBs? What Are the Advantages?
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RF Layout Guidelines for Mobile Phone PCB Design
ByGrace June 7, 2025June 5, 2025
Introduction The design of Radio Frequency (RF) circuits in mobile phone Printed Circuit Boards (PCBs) is critical to ensuring optimal performance, signal integrity, and minimal interference. With the increasing complexity of modern smartphones—supporting multiple wireless standards such as 5G, Wi-Fi 6, Bluetooth, and GNSS—proper RF PCB layout has become more challenging yet essential. This article…
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What is PCB Drilling Backer Board?
ByGrace June 7, 2025June 5, 2025
Introduction to PCB Drilling Backer Boards Printed Circuit Board (PCB) manufacturing involves numerous precise processes, with drilling being one of the most critical steps. PCB drilling backer boards, also known as entry or backup materials, play an essential but often overlooked role in ensuring drilling accuracy and quality. These specialized materials are placed beneath the…
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