What is leakage current? Understanding the causes and countermeasures to eliminate defects in electronic devices.
We will also introduce a case that evaluated the impact of water-soluble flux residues on insulation resistance!
In electronic circuits, the current that flows through unintended paths as envisioned by the designer is called leakage current. This invisible current can significantly impact the reliability, performance, and lifespan of products, making it a critical issue in electronic device development. In today's world, where the miniaturization and densification of semiconductors are accelerating, the sources of leakage current vary widely, stemming from physical limitations within the device or minor issues during the manufacturing process. This article will explain the fundamentals of leakage current, its causes, specific risks at the electronic substrate and assembly levels, countermeasures in the design and manufacturing processes, and methods for addressing it through cleaning and cleanliness evaluation. *For more detailed information, please refer to the related links. Feel free to contact us for further inquiries.*
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Zestron is a global standard "flux cleaning agent manufacturer" based in Germany, with eight locations worldwide. Our cleaning agents are primarily environmentally friendly water-based cleaners that achieve a balance between cleaning performance and safety, while also enabling the reduction of organic solvents, VOCs, and overall usage to lower costs. At our technical center in Kanagawa, customers can choose from inline and batch-type spray cleaning equipment, as well as jet and ultrasonic devices, tailored to their needs, allowing them to test work cleaning under conditions equivalent to those in production environments. In parallel with the cleaning tests, we analyze cleanliness at our analysis center. Utilizing digital microscopes, FT-IR, ion chromatography, and SEM-EDX/EDS, we can detect flux residues that are often overlooked by visual inspection. After the tests are completed, our engineers will provide a technical report detailing recommended processes. *We generally offer support for cleaning process issues free of charge. If you have any requests or challenges related to flux cleaning, please feel free to contact us.
