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Do you know the design and processing of PCB gold finger?
ByGrace July 21, 2025July 18, 2025
1.Definition of gold finger (Gold Finger or Edge Connector) Insert one end of the PCB into the connector slot, use the connector pin as the outlet for the PCB to connect to the outside, make the pad or copper contact with the corresponding position of the pin to achieve the purpose of conduction, and immerse…
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Issues to be noted when soldering PCB
ByGrace July 21, 2025July 19, 2025
After the copper clad laminate is processed to produce printed circuit graphics, various vias, and assembly holes, various components are assembled. After assembly, soldering is required to connect the components to the various circuits of the PCB. There are three types of soldering: wave soldering, reflow soldering, and manual soldering. The soldering connection of the…
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What are the methods for measuring PCB thermal resistance?
ByGrace July 21, 2025July 19, 2025
The measurement of PCB thermal resistance is a key step in evaluating the heat dissipation performance of printed circuit boards. Accurately understanding and measuring the thermal resistance of PCBs can help design more efficient heat dissipation solutions and ensure that electronic components operate within a safe temperature range. The following are several commonly used methods…
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How to choose the right PCB coding equipment?
ByGrace July 21, 2025July 19, 2025
PCB circuit boards are important carriers of electronic components. In order to improve the yield rate and quality of electronic products, electronic manufacturers have marked QR codes, barcodes, character strings and other information on PCBs by silk screen printing, inkjet coding or laser coding to achieve internal quality traceability control of products. So do you…
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The Difference Between PCB Positive and Negative Film: A Comprehensive Guide
ByGrace July 20, 2025July 17, 2025
Introduction to PCB Film Types In printed circuit board (PCB) manufacturing, the terms “positive film” and “negative film” refer to two distinct photographic methods used to transfer circuit patterns onto copper-clad boards. These techniques play a fundamental role in determining how copper is either retained or removed during the etching process. Understanding the difference between…
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Camera PCB Layout and Routing Design Considerations
ByGrace July 20, 2025July 17, 2025
Introduction In today’s increasingly visual world, camera systems have become ubiquitous across countless applications – from smartphones and security systems to automotive applications and industrial machine vision. The performance of these camera systems heavily depends on the quality of their printed circuit board (PCB) design. Proper PCB layout and routing for camera modules requires careful…
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The Purpose and Importance of PCB Thickness Stackup in Modern Electronics
ByGrace July 20, 2025July 17, 2025
Introduction Printed Circuit Board (PCB) thickness stackup refers to the arrangement of copper layers and insulating materials that make up the structure of a PCB. This deliberate organization of conductive and dielectric layers serves multiple critical functions in electronic design and manufacturing. As electronic devices become increasingly complex while shrinking in size, proper PCB stackup…
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PCB Layout Tools: A Comprehensive Guide to Modern Design Software
ByGrace July 20, 2025July 19, 2025
Introduction to PCB Layout Tools Printed Circuit Board (PCB) layout tools are specialized software applications that enable engineers and designers to transform schematic diagrams into physical board designs. These tools have become indispensable in modern electronics design, offering sophisticated features that streamline the entire PCB development process from concept to manufacturing. The evolution of PCB…
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Electromagnetic Compatibility and PCB Design Constraints
ByGrace July 20, 2025July 17, 2025
1. Introduction Electromagnetic Compatibility (EMC) is a critical aspect of modern electronic design, ensuring that electronic devices operate as intended without causing or suffering from electromagnetic interference (EMI). Printed Circuit Board (PCB) design plays a pivotal role in achieving EMC compliance. Poor PCB layout can lead to signal integrity issues, radiated emissions, and susceptibility to…
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How to Successfully Design and Manufacture High-Complexity PCBs and PCBAs
ByGrace July 20, 2025July 17, 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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Essential Laws of EMC: Understanding the Fundamental Principles
ByGrace July 20, 2025July 17, 2025
Introduction to Electromagnetic Compatibility Electromagnetic Compatibility (EMC) represents a critical field in electrical engineering that ensures electronic devices and systems can operate as intended in their shared electromagnetic environment without causing or experiencing unacceptable interference. As our world becomes increasingly saturated with electronic devices—from smartphones to industrial control systems—the importance of EMC has grown exponentially….
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Composition and Basic Process Operations of SMT Production Lines
ByGrace July 20, 2025July 17, 2025
Abstract Surface Mount Technology (SMT) has become the dominant method for assembling modern electronic circuits due to its efficiency, precision, and ability to support miniaturized components. An SMT production line consists of several key processes, including solder paste printing, component placement, reflow soldering, inspection, and cleaning. This paper explores the fundamental operations of an SMT…
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What is the development trend of PCB surface treatment?
ByGrace July 20, 2025July 18, 2025
1.Introduction With the continuous improvement of human requirements for living environment, the environmental issues involved in the current PCB production process are particularly prominent. At present, the topic of lead and bromine is the hottest; lead-free and halogen-free will affect the development of PCB in many aspects. Although at present, the changes in the surface…
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Importance of Stencils to PCB Assembly
ByGrace July 19, 2025July 16, 2025
The surface mount assembly process uses a stencil as a gateway to accurate, repeatable solder paste deposits. A stencil is a sheet or sheet of brass or stainless steel with a circuit pattern cut into it that matches the location pattern of the surface mount devices (SMDs) on the printed circuit board (PCB) where the…
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Parameters Involved in PCB Layout
ByGrace July 19, 2025July 16, 2025
When you are not used to a new set of PCB design tools, the large number of parameters that need to be set can be overwhelming. But you have to get familiar with it because, through its proper handling of controls, the layout tool can be made to fit your design methods and style. Here…
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