Introduction Printed Circuit Board (PCB) cloning, also known as PCB copying or reverse engineering, has long been a controversial practice in the electronics manufacturing industry. Once considered a quick path to technological catch-up and cost reduction, PCB cloning is now facing unprecedented challenges that have pushed it into a professional and ethical dilemma. This 2000-word…
Drawing panel fabrication drawings is an integral step in the process of making PCBs. Fabrication drawings for individual PCBs only show the drill holes and board features for a single PCB, but these need to be combined into one drawing for the entire panel. Depending on the specific needs of each company or manufacturer, some…
Circuit simulation software and PCB design software play complementary roles in the PCB design process, providing engineers with tools to design, simulate, verify and optimize electronic circuits. Effective simulation analysis helps reduce the number of design, manufacturing and test iterations required for development, ensuring that circuit designs meet performance and operating goals before board manufacturing….
Schematic diagram production is the basis of PCB layout, so the schematic diagram restoration should be completed without errors. There should be no errors in the schematic design, and it must be cross-checked by another MCU development engineer to evaluate any errors in the design. Otherwise, the wrong schematic will be converted to the PCB…
With the rapid increase in the demand for smart mobile equipment around the world, the demand for PCB depaneling machines has also increased greatly. Therefore, it is very important to improve the production capacity efficiency. This is especially true when dealing with fan-shaped, circular, semi-circular, special-shaped, polygonal, rectangular and irregular shapes. Improper manual depaneling operations…
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…
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…
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…
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…
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…
Abstract This paper explores the critical relationship between printed circuit board (PCB) layout design for power supplies and electromagnetic compatibility (EMC). As electronic devices become more compact and powerful, proper PCB layout techniques have become essential for minimizing electromagnetic interference (EMI) and ensuring compliance with EMC regulations. The discussion covers fundamental concepts, key design considerations,…
In today’s era of rapid development of electronic technology, the design and welding technology of RF PCB circuit boards are becoming more and more critical. RF circuits play an irreplaceable role in many fields such as communications and radar, and their performance directly affects the performance of the entire system. However, RF PCB circuit board…
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…
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…
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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