1. Structure of PCB 1.1. Composition and Concept of PCB 1.2. Internal Structure of PCB 1.3. Commonly Confused Concepts of PCB 2. Concept of Layers 2.1. Classification of Layers 2.2. Common Layer Classifications 3. Components and Packaging 3.1. Component Symbols and Packaging 3.2. Pad Size 4. Introduction to PCB Processes 4.1. Overview of Processes 4.2. … Read more
The wave of artificial intelligence is reshaping the global technology landscape with unprecedented force. As the core carrier that supports all electronic components and achieves electrical connections, printed circuit boards (PCBs) — known as the “skeleton of the electronics industry” — are at the heart of this transformation, ushering in a new growth cycle driven … Read more
In the first half of 2025, China’s import and export trade of printed circuit boards (PCBs) showed a positive recovery, with export amounts reaching a record high and maintaining growth with major trading partners. According to customs data, the total import and export volume in the first half of the year was $15.477 billion, a … Read more
CAA Intelligence Sets Sail for a Shared Future The “Automation Terms” column introduces automation-related terms every day, so as to contribute to the popularization of automation knowledge. Chinese：Printed Circuit BoardEnglish：Printed Circuit BoardDefinition：The printed circuit board (PCB) is formed by etching copper foil on an insulating substrate to create conductive pathways that meet the connection requirements … Read more
Choosing a PCB Factory in Shenzhen In the field of electronic manufacturing, PCBs (Printed Circuit Boards) play a core role. They not only serve as the support for electronic components but also achieve electrical interconnection, signal transmission, and thermal management through copper wires, earning the title of the “skeleton” and “nervous system” of electronic products. … Read more
Induction Soldering for Circuit Boards: The ‘Invisible Expert’ of Precision Welding In the microscopic world of electronic manufacturing, circuit board (PCB) soldering is a critical process that determines product performance and lifespan. Today, we will unveil an incredible technology—induction soldering for circuit boards—and see how it can ‘turn solder into gold’ in the blink of … Read more
Click the blue text to follow us Warm reminder: The following content is for personal research and entertainment purposes only and does not constitute any investment advice! Even the best stories require their own stock selection and timing systems; chasing high prices carries risks, be cautious of standing guard at high positions. 1. Demand Pull … Read more
1. The Birth and Evolution of PCBs Prototype Stage (1903–1940) In 1903, German engineer Albert Hanson created “circuits” by sandwiching metal foil between wax paper in telephone switchboards, considered the earliest concept of “inter-layer interconnection.” In 1925, Frenchman Charles Ducas used templates to print conductive ink, proposing the concept of “printed wiring” for the first … Read more
Smartphones, computers, communication base stations, and artificial intelligence servers all rely on a key component—the printed circuit board, commonly known as PCB. The performance of a PCB largely depends on the quality of its upstream materials. This article systematically analyzes the industrial chain structure of PCB materials, core technical indicators, characteristics and applications of various … Read more
