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How to Reduce Ringing Through PCB Layout Techniques
ByGrace June 24, 2025June 24, 2025
Introduction Ringing is a common signal integrity issue in high-speed digital circuits, characterized by unwanted oscillations that occur during signal transitions. These oscillations can lead to data corruption, increased electromagnetic interference (EMI), and reduced system reliability. Proper PCB layout techniques play a crucial role in minimizing ringing by controlling impedance, reducing parasitic effects, and optimizing…
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Why PCB Design Tools Are Progressing So Slowly
ByGrace June 24, 2025June 24, 2025
Introduction Printed Circuit Board (PCB) design tools form the backbone of electronics development, enabling engineers to transform conceptual schematics into physical layouts that can be manufactured. While the electronics industry has seen exponential growth and innovation over the past few decades, PCB design software has evolved at a comparatively glacial pace. This article examines the…
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How to Test the Extreme Temperature Limits of PCB Boards
ByGrace June 24, 2025June 24, 2025
Introduction Printed Circuit Boards (PCBs) form the backbone of modern electronics, and their performance under extreme temperature conditions is critical for many applications. From aerospace systems that experience cryogenic temperatures to industrial equipment operating near molten metals, understanding a PCB’s temperature limits is essential for reliability and safety. This article provides a comprehensive guide on…
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Introduction to Wet Film Process in PCB Manufacturing
ByGrace June 24, 2025June 24, 2025
Abstract The wet film process is a critical step in the fabrication of printed circuit boards (PCBs), enabling the precise transfer of circuit patterns onto copper-clad laminates. This article provides a comprehensive overview of the wet film process, including its principles, key steps, advantages, disadvantages, and applications in modern PCB manufacturing. The discussion covers photoresist…
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What are some of the implications of the Hall Effect for PCB layout?
ByGrace June 24, 2025June 24, 2025
For me, one of the coolest things about kids is that they can be astounded by science and other phenomena that, as an adult, you are just accepting. I gave a five-year-old homemade magnetic slime for his birthday one year; consisting of iron oxide powder, Elmer’s glue, and liquid starch, the prospect of the black…
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Elimination Technology of PCB Silver Layer – Full Text
ByGrace June 24, 2025June 24, 2025
1.Current Status As we all know, since printed circuit boards cannot be reworked after assembly, the cost loss caused by scrapping due to micro voids is the highest. Although eight of the PWB manufacturers noticed this defect due to customer rejections, this type of defect was mainly reported by the assembly manufacturers. Solderability issues were…
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What is the dielectric loss angle of PCB “∠”?
ByGrace June 24, 2025June 24, 2025
1.What is a medium A medium refers to a substance or space that can transmit force, energy or information under certain conditions. In physics and engineering, a medium usually refers to a solid, liquid or gas, which can transmit mechanical waves, electromagnetic waves, etc. For example, in acoustics, air, water and solids can all be…
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How to Solve PCB Design Software Freezing Issues: A Comprehensive Guide
ByGrace June 23, 2025June 23, 2025
Introduction Printed Circuit Board (PCB) design is a complex process that requires precision and reliability from your design software. When your PCB CAD tools freeze or become unresponsive, it can disrupt your workflow, cause data loss, and lead to significant frustration. This 2000-word guide explores the root causes of PCB design software freezing and provides…
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Rules setting before PCB routing
ByGrace June 23, 2025June 23, 2025
(1) Safety spacing setting Setting the safety spacing corresponds to the Clearance Constraint item in Routing, which specifies the distance that must be maintained between the routing, pads, and vias of different networks on the board. The safety distance of a general PCB can be set to 0.254mm, a relatively empty board can be set…
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Understanding PCB Impedance: Definition, Importance, and Control
ByGrace June 22, 2025June 20, 2025
Introduction to PCB Impedance Printed Circuit Board (PCB) impedance is a fundamental concept in modern electronics design that has become increasingly critical as signal speeds continue to rise. Impedance, measured in ohms (Ω), represents the total opposition that a circuit presents to alternating current (AC) or signal propagation. In PCB contexts, impedance specifically refers to…
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PCB Defect Detection Based on YOLOv8: A Deep Learning Approach
ByGrace June 22, 2025June 21, 2025
Abstract Printed Circuit Boards (PCBs) are critical components in modern electronic devices, and their quality directly impacts the performance and reliability of electronic products. Traditional PCB defect detection methods rely on manual inspection or conventional machine vision techniques, which are time-consuming, labor-intensive, and prone to human error. This paper proposes an automated PCB defect detection…
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Key Challenges in the PCB Assembly Process
ByGrace June 22, 2025June 21, 2025
Printed Circuit Board (PCB) assembly is a critical stage in electronics manufacturing, where components are mounted onto the board to create functional circuits. Despite advancements in technology, the PCB assembly process still faces several challenges that can affect product quality, reliability, and production efficiency. This article explores the major challenges encountered during PCB assembly and…
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How to Use Return Paths for Better PCB Design
ByGrace June 21, 2025June 20, 2025
Introduction Printed Circuit Board (PCB) design is a complex process that involves careful consideration of signal integrity, power distribution, and electromagnetic compatibility (EMC). One of the most critical yet often overlooked aspects of PCB design is the return path—the path that current takes to return to its source. A poorly designed return path can lead…
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Why Does PCB Develop Copper Patina (Green Corrosion)?
ByGrace June 21, 2025June 20, 2025
Introduction Printed Circuit Boards (PCBs) are essential components in modern electronics, providing mechanical support and electrical connections for various electronic parts. Over time, PCBs may develop a greenish or bluish discoloration, commonly referred to as “copper patina” or “green corrosion.” This phenomenon is primarily due to the oxidation and chemical reactions of copper traces exposed…
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Identifying and Repairing Signal Integrity Issues in PCB Design
ByGrace June 21, 2025June 20, 2025
Introduction to Signal Integrity in PCBs Signal integrity (SI) has become one of the most critical challenges in modern printed circuit board (PCB) design as digital systems continue to operate at higher speeds with lower voltage levels. Signal integrity refers to the quality of electrical signals as they propagate through interconnects on a PCB. When…
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