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PCB factory test including AOI, ICT and FCT test, working principle, implementation points and interrelationship, the establishment of a perfect PCBA test system to ensure product quality.

Reliability test methods for HDI printed circuit boards, including core technologies such as temperature cycling test, thermal stress test and high temperature/high humidity bias test. Comparatively analyze the differences in reliability between HDI boards and traditional multilayer boards, and provide professional solutions to three common problems. Professional PCB manufacturer, providing reference for electronic manufacturers on the reliability of HDI boards.

High Density Interconnect (HDI) printed circuit boards are revolutionizing modern electronics by enabling smaller, faster and more reliable circuit designs. Whether it’s optimizing signal integrity, thermal management, or miniaturization, understanding HDI technology is critical to the next generation of PCB design.

PCBA is a key process for mounting electronic components onto printed circuit boards to form functional circuits, including the two main processes of Surface Mount Technology (SMT) and Through Hole Technology (THT). Understanding the production process, industry applications, and future trends of PCBA will help increase understanding of PCBA manufacturing and assembly.

PCB reliability test is the core link to ensure the quality of electronic products, covering electrical performance, mechanical strength, environmental adaptability and other aspects of the assessment. 16 key test methods, including conductivity test, voltage test, thermal stress test, salt spray test, etc., in-depth analysis of the purpose of the various tests, the principle and judging criteria.

PCB manufacturing process must be carried out in 8 categories of test methods, from basic visual inspection to high-end AXI inspection, analyze the advantages and disadvantages of various types of technology and applicable scenarios, for electronic product manufacturers to provide a complete PCB quality control program.