Author: Grace

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The Benefits of PCB Without Silkscreen: Why Going Bare Can Be Better
ByGrace June 24, 2025June 24, 2025
Introduction Printed Circuit Boards (PCBs) are the backbone of modern electronics, providing the necessary interconnections between components. Traditionally, PCBs include a silkscreen layer—a white (or sometimes other colored) ink layer that displays component outlines, reference designators, polarity markers, logos, and other essential information. However, as PCB technology advances, many designers are opting to eliminate the…
Read More The Benefits of PCB Without Silkscreen: Why Going Bare Can Be Better
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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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PCB Transmission Line Principles: A Comprehensive Guide
ByGrace June 24, 2025June 24, 2025
Introduction to PCB Transmission Lines In modern high-speed digital and high-frequency analog circuits, printed circuit board (PCB) transmission lines play a critical role in maintaining signal integrity. As clock frequencies continue to increase and rise times become faster, what were once simple conductive traces must now be treated as transmission lines with complex electromagnetic behavior….
Read More PCB Transmission Line Principles: A Comprehensive Guide
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Understanding Reverse Positioning in the PCB Clone Market
ByGrace June 24, 2025June 24, 2025
Introduction The printed circuit board (PCB) industry is a critical component of modern electronics, serving as the backbone for devices ranging from consumer electronics to industrial machinery. Within this industry, PCB cloning—also known as PCB reverse engineering or PCB copy—has emerged as a controversial yet significant segment. Reverse positioning in the PCB clone market refers…
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PCB Testability Design Key Points Introduction
ByGrace June 24, 2025June 24, 2025
1. Introduction Printed Circuit Board (PCB) testability is a critical aspect of modern electronics design, ensuring that a board can be efficiently tested for defects during manufacturing and throughout its lifecycle. Effective testability design reduces production costs, improves yield, and enhances reliability. This article explores key PCB testability design considerations, including Design for Test (DFT)…
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How to Thicken Power Traces in PCB Design: A Comprehensive Guide
ByGrace June 24, 2025June 24, 2025
Introduction Printed Circuit Board (PCB) design requires careful consideration of power distribution networks, with power trace sizing being one of the most critical aspects. Properly sized power traces ensure reliable operation, prevent overheating, and maintain voltage stability across the board. This 2000-word guide explores the techniques, calculations, and best practices for thickening power traces in…
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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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How to Use Different Colors to Highlight Different Nets in PCB Design
ByGrace June 24, 2025June 24, 2025
Introduction to PCB Net Highlighting Printed Circuit Board (PCB) design is a complex process that requires careful attention to electrical connections between components. One of the most valuable visualization tools in PCB design software is the ability to highlight different nets (electrical connections) using distinct colors. This technique, often called “net highlighting” or “net coloring,”…
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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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Concept and treatment of residual copper rate in PCB manufacturing
ByGrace June 24, 2025June 24, 2025
Concept of residual copper rate in PCB manufacturing: The manufacturing process of PCB starts with a PCB “substrate” made of glass epoxy or similar materials. The first step in manufacturing is to light-draw the PCB design wiring for the connection between parts. The method is to use negative transfer (Subtractive transfer) to “print” the circuit…
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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 calculate the relationship between PCB line width and current
ByGrace June 24, 2025June 24, 2025
1.Calculation method First calculate the cross-sectional area of the track. The copper foil thickness of most PCBs is 35um (if you are not sure, you can ask the PCB manufacturer, 1 ounce is 35um, but in fact it is less than 35um). Multiply it by the line width to get the cross-sectional area. Pay attention…
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