There are two methods for manufacturing multilayer boards: the electroplated via method and the high-density lamination method, both of which achieve circuit board structures through different combinations of processes. Currently, the most commonly used method is the electroplated via method, which has developed and improved over more than half a century. In terms of equipment, … Read more
In integrated circuit application design, after completing the project schematic design, PCB layout design is necessary. PCB design is a crucial step. The quality of the design results directly affects the overall functionality of the design. Therefore, a reasonable and efficient PCB layout is essential for the successful debugging of chip circuit design. In this … Read more
With the increasing integration of semiconductors, major electronic systems now feature complete system-on-chip designs and custom PCBs. It can be said that even an ordinary PCB can play a significant role, which sets high standards for engineers. This article summarizes the experiences of several experts and lists ten golden rules for PCB design, hoping to … Read more
1. Working Principle The working principle of a circuit board is to use an insulating material to separate the surface copper foil conductive layer, allowing current to flow along a pre-designed route through various components to perform functions such as work, amplification, attenuation, modulation, demodulation, and encoding. Figure 1: Circuit Board 2. Components The circuit … Read more
Click Blue Text Follow us~ Today, I share an experience summary on PCB process design, hoping to inspire industry colleagues. 1 PCB Basic Technology 1.1 PCB Size and Shape The welding processing dimensions of the PCB material shape are width (200mm～250mm) * length (250mm～300mm). For PCBs with a long edge less than 125mm or a … Read more
Whether engineers or PCB manufacturers, they inevitably encounter PCB failures. The occurrence of these failures may lead to delays in product delivery, damage to the manufacturer’s reputation, and increased time and monetary costs. (Most importantly, it costs money.) Today, we mainly discuss PCB failure modes and solutions. (It is recommended to save for later viewing, … Read more
Despite the increasing integration of semiconductors and the availability of off-the-shelf systems on chip for many applications, there are still many use cases where electronic products require custom PCBs. In one-time development, even a standard PCB can play a very important role. A PCB is the physical platform for design and the most flexible component … Read more
Many people studying electronics often encounter the technical terms Printed Circuit Board (PCB) and Integrated Circuit (IC), but they frequently confuse these two concepts and even misuse them in reports, leading to criticism. The root cause lies in insufficient understanding of PCBs and integrated circuits. Therefore, today we will clarify the differences between PCBs and … Read more
The diversity of PCBs in materials, layers, and processes caters to different electronic products and their specific needs, resulting in a wide classification. Below, we summarize some common differentiation methods to briefly introduce the classification of PCBs and their manufacturing processes. Let’s analyze it from three aspects. Materials Organic Materials ① Phenolic Resin: Phenolic resin, … Read more
Today, we will discuss the key points to consider when designing a PCB from a soldering perspective. 1. Factors Affecting PCB Soldering Quality From PCB design to the completion of soldering all components, achieving a high-quality circuit board requires the control of various aspects including PCB engineers, soldering processes, and soldering workers. The main influencing … Read more