Introduction to the morphological changes in flux residues after soldering and their impact on cleanability.
Solder paste is required to have characteristics such as halogen-free and high wettability in high-reliability areas like the automotive industry. However, even in high-reliability fields, there is a demand for residue-free performance, even for no-clean types, and there are situations where cleaning is necessary. This paste contains difficult-to-dissolve substances that make effective cleaning challenging with conventional "solvent cleaning" methods, revealing issues related to cleaning. Therefore, we conducted cleaning performance verification in collaboration with the developers of the paste. Detailed information can be viewed through the related links. *Detailed information can be viewed through the related links. *The PDF document is a technical material that explains the evolution and challenges of power devices.
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*You can view the detailed information through the related link. *The PDF document is a technical material that explains the evolution and challenges of power devices.
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*You can view the detailed information through the related link. *The PDF document is a technical material that explains the evolution and challenges of power devices.
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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.
![Verification of Cleanability for Long Edge Resistance [Joint Research with Japan Superior Co., Ltd.]](https://image.mono.ipros.com/public/product/image/559/2001511186/IPROS18426311862406412140.jpg?w=280&h=280)
