Introduction Thermal resistance is a critical parameter in the design and evaluation of printed circuit boards (PCBs), particularly as electronic devices continue to shrink in size while increasing in power density. Proper thermal management ensures reliability, performance, and longevity of electronic components. This paper explores various methods for measuring PCB thermal resistance, discussing their principles,…
An integral part of most electronic and electrical devices nowadays, the Printed Circuit Board (PCB) essentially consists of copper traces of different components connected together to create a complex maze of circuits. The importance of PCBs can be directly measured by the fact that any error in its design or assembly will affect the performance…
Abstract Printed Circuit Boards (PCBs) are essential components in modern electronics, and their reliability directly impacts the performance and longevity of electronic devices. However, during manufacturing, handling, and assembly, human contact often leaves fingerprints (“finger marks”) on PCB surfaces. These fingerprints can introduce contaminants such as salts, oils, and moisture, leading to corrosion, poor solderability,…
Via, also known as metalized holes, is one of the important components of PCB design. In double-sided and multi-layer boards, in order to connect the printed wires between the layers, a common hole, i.e., a via, is drilled at the intersection of the wires that need to be connected in each layer. Vias are divided…
When PCB wiring is being performed, the following situation often occurs: when the trace passes through a certain area, due to the limited wiring space in the area, a thinner line has to be used. After passing through this area, the line returns to its original width. Changes in trace width will cause impedance changes,…
PCB Assembly Inspection and Test Options As technology advances and PCBAs become more complex, the testing and inspection options for these boards must be carefully considered. PCBs are critical components that are expected to function properly in a variety of different environments. Proper testing procedures and inspection measures are needed to maintain the quality and…
PCB Outline Drilling Process Drilling is an important part of PCB outline processing, and drill bit selection is particularly critical. Welded carbide drills, known for their high connection strength between the drill tip and the cutter body, can produce holes with fairly good surface roughness, small hole diameter tolerances, and high positional accuracy. When tightening…
Well-defined PCB tolerances are critical to building high-quality boards. Nearly all PCB manufacturing steps are subject to tolerances, many of which you define during the design process. If you work with your contract manufacturer (CM) to select these so that they fall within the tolerances of their equipment and processes, your boards can achieve the…
Since the birth of the dot-com bubble, the Internet of Things (IoT) has developed into the most important movement with monikers such as “the fourth industrial revolution” or “the infrastructure of the information society”. The impact of IoT has been deeply integrated into the framework of technology and daily life. Many consumers may not realize…
You should have read a lot of books and materials on PCB wiring software. There are many articles on wiring techniques on the Internet, most of which teach people how to avoid interference, how to run ground wires, etc. In fact, there is another function in these software, which is also very useful, but most…
1. Introduction Printed Circuit Boards (PCBs) are the backbone of modern electronics, providing mechanical support and electrical connections for electronic components. From consumer electronics to aerospace applications, PCBs are essential in ensuring the functionality and reliability of electronic devices. This article explores the entire PCB lifecycle, including design, manufacturing, and processing, while highlighting key considerations…
Introduction As PCB boards tend to be miniaturized, multi-layered and complex. Especially for high-speed printed boards, it takes a long time of repeated debugging before they can be finalized. If there is a finalized design (A), and now a design (B) with the same or similar circuit as it is required, the traditional design process…
2.4G PCB antenna package Includes the 2.4G PCB antenna packages that we usually use, a total of 11 packages. It can fully meet the daily design use. The advantages of PCB onboard antennas are very obvious, and the most notable is its stability and reliability. Compared with traditional external antennas, PCB onboard antennas do not…
Abstract This paper discusses the impact of dead copper on circuit performance in PCB design. Dead copper refers to copper areas that are not connected to any network or only partially connected on the PCB board. The article first introduces the definition and causes of dead copper, and then analyzes in detail the impact of…
There is a lot of demand for PCB designers in this industry, but to be the best designer and create effective boards, you need to have certain skills. Here, we will discuss some of the skills required to be a PCB designer. If you want to learn more, keep reading. Basic Electronics Knowledge While you…
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