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Precision Control in PCB Cloning: Techniques and Best Practices
ByGrace June 30, 2025June 30, 2025
Abstract Printed Circuit Board (PCB) cloning, also known as PCB copy or reverse engineering, is a process that involves replicating an existing PCB design for repair, improvement, or legacy system maintenance. One of the most critical aspects of PCB cloning is precision control, as even minor deviations can lead to functional failures. This article explores…
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PCB Board Separation Stress Tester: A Comprehensive Guide
ByGrace June 30, 2025June 30, 2025
Abstract The PCB (Printed Circuit Board) separation process is a critical step in electronics manufacturing, where stress-induced damage can significantly impact the reliability and performance of the final product. To mitigate these risks, PCB board separation stress testers are employed to measure and analyze the mechanical stresses exerted during the depaneling process. This article explores…
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7 Tips: How to Avoid PCB Electromagnetic Problems
ByGrace June 30, 2025June 30, 2025
Electromagnetic compatibility (EMC) and the associated electromagnetic interference (EMI) have always required system design engineers to keep their eyes open. In today’s situation where circuit board designs and component packages are shrinking and OEMs are demanding higher-speed systems, these two major issues are particularly headaches for PCB layout and design engineers. EMC is closely related…
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How to reduce crosstalk in PCB boards
ByGrace June 30, 2025June 30, 2025
With the development of technology and people’s consumption needs, the trend of miniaturization of electronic devices is becoming more and more prominent, and printed circuit boards (PCBs) are getting smaller and smaller. This leads to unintentional coupling between signal traces in PCB boards, which is called crosstalk (as shown in Figure 1). Figure 1. Parallel…
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What is the standard for PCB warpage?
ByGrace June 30, 2025June 30, 2025
PCB warpage actually refers to the bending of the circuit board. It means that the originally flat circuit board will be slightly warped at both ends or in the middle when placed on the desktop. This phenomenon is called PCB warpage by industry insiders. The circuit board warpage calculation formula is to place the circuit…
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PCB design: DIP device assembly design defects
ByGrace June 30, 2025June 30, 2025
Understand DIP DIP is a plug-in. The chip using this packaging method has two rows of pins, which can be directly soldered on a chip socket with a DIP structure or in a soldering position with the same number of solder holes. Its characteristics are that it can easily realize the perforation soldering of the…
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How to optimize the EMC effect of PCB?
ByGrace June 30, 2025June 30, 2025
The first thing involved in the EMC design of PCB is the layer setting; the number of layers of a single board is composed of the number of power supply layers, the number of ground layers and the number of signal layers; in the EMC design of the product, in addition to the selection of…
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Solving Grounding Issues in PCB Design: A Comprehensive Guide
ByGrace June 27, 2025June 27, 2025
Introduction Printed Circuit Board (PCB) design represents one of the most critical aspects of electronic product development, where proper grounding techniques often distinguish between a functional circuit and one plagued with noise, interference, and reliability issues. Grounding in PCBs serves as the reference point for all voltages in the system, provides return paths for currents,…
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PCB Module Fanout Design Guide
ByGrace June 27, 2025June 27, 2025
Introduction Printed Circuit Board (PCB) design involves multiple critical steps, one of which is fanout design—the process of routing traces from component pads to vias or other layers. Proper fanout ensures signal integrity, thermal management, manufacturability, and electromagnetic compatibility (EMC). This guide explores PCB module fanout design principles, best practices, and common techniques to optimize…
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PCB Stage Routing Principles: A Comprehensive Guide
ByGrace June 27, 2025June 27, 2025
Introduction Printed Circuit Board (PCB) routing is a critical phase in the design process, where electrical connections are established between components based on the schematic diagram. Proper routing ensures signal integrity, reduces electromagnetic interference (EMI), and enhances the overall performance and reliability of the PCB. This article explores the fundamental principles of PCB routing, covering…
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How to Test PCB Grounding: A Comprehensive Guide
ByGrace June 27, 2025June 27, 2025
Introduction to PCB Grounding Proper grounding is one of the most critical aspects of printed circuit board (PCB) design and functionality. Grounding provides a reference voltage level for all components on the board, serves as a return path for currents, and helps shield sensitive circuits from electromagnetic interference (EMI). When grounding is implemented incorrectly, it…
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Standardized Mark Point Design for PCB Assembly: Guidelines and Best Practices
ByGrace June 27, 2025June 27, 2025
1. Introduction In the manufacturing and assembly of printed circuit boards (PCBs), mark points (also known as fiducial marks) play a critical role in ensuring precise component placement. These reference points enable automated assembly equipment, such as pick-and-place machines and optical inspection systems, to accurately align PCBs during production. Improperly designed or placed mark points…
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PCB Design Requirements for Mechanical Structures: A Comprehensive Guide
ByGrace June 27, 2025June 27, 2025
Introduction Printed Circuit Board (PCB) design is a critical aspect of electronic product development, influencing both electrical performance and mechanical integrity. While much attention is given to signal integrity, thermal management, and electromagnetic compatibility (EMC), the mechanical constraints and structural requirements of PCB design are equally important. A well-designed PCB must fit seamlessly within its…
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How to Solve PCB Negative Film Deformation Issues
ByGrace June 27, 2025June 27, 2025
Introduction Printed Circuit Board (PCB) manufacturing relies heavily on precise imaging processes, where negative films play a critical role in pattern transfer. Negative film deformation represents one of the most persistent challenges in PCB production, potentially causing misalignment, short circuits, or open circuits in the final product. This technical paper examines the root causes of…
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Designing and Fabricating an NFC-Enabled PCB Business Card: A Comprehensive Guide
ByGrace June 27, 2025June 27, 2025
Introduction In an era where digital and physical worlds increasingly converge, traditional paper business cards are being reimagined through innovative technology. One of the most exciting developments in professional networking tools is the NFC-enabled PCB business card—a functional circuit board that combines the durability of printed circuit board (PCB) materials with the convenience of near-field…
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