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The PCB industry is entering a new growth cycle driven by demand from AI servers, automotive electronics, and other sectors. Demand for high-end products such as HDI boards and multilayer boards with 18 or more layers is surging, driving both volume and price increases across the industry. The global PCB equipment market continues to expand, with technologically advanced leading companies benefiting consistently. The industry chain is poised for structural investment opportunities.

A short circuit is an electrical fault where current bypasses the normal path and flows directly, potentially causing equipment damage and fires. This article details the types, causes, hazards, and preventive measures for short circuits, providing practical safety recommendations and emergency response methods.

An open circuit is a state in an electrical circuit where current cannot flow due to a broken conductor or extremely high impedance. This article analyzes the definition, characteristics, and detection methods of open circuits, distinguishes them from short circuits and closed circuits, and explores practical application scenarios and safety precautions, providing comprehensive reference for electronics enthusiasts and professionals.

The U.S. imposition of tariffs on printed circuit boards has triggered a profound restructuring of the global PCB industry, leading to supply chain shifts, rising costs, and technological upgrades. Chinese companies are responding to these challenges through diversified strategies and production capacity relocation, while accelerating the development of high-end products and expanding their domestic market presence.

3D-SPI solder paste inspection serves as a critical quality control step in SMT production. Utilizing advanced optical 3D measurement technology, it precisely identifies deviations in solder paste printing parameters such as volume, height, and position, effectively intercepting defects like under-pasta, over-pasta, misalignment, and bridging.

Comprehensive Inspection Standards and System for High-Density Interconnect (HDI) Printed Circuit Boards. Key aspects include document priority sequence, material requirements, microscopic structure and visual inspection, electrical performance, and environmental reliability testing. This provides authoritative technical reference to ensure the manufacturing quality of HDI boards and the reliability of end products.