Verification of the cleaning properties of Sn-Bi low melting point solder paste - Joint Research
Published solutions to challenges in the formation of metal salts (Bi salts)! We conducted joint verification of cleaning performance.
The Sn-Bi solder paste has various advantages, but in high-reliability fields, there are situations where cleaning is required, and one of the cleaning challenges is the formation of metal salts (Bi salts) after sintering. Bi salts can potentially cause migration issues, are difficult to dissolve in organic solvents, and make cleaning challenging. To address the issue of Bi salt formation, we conducted a joint verification of the cleaning properties of the low-melting-point Sn-Bi solder paste developed by Japan Superior Inc. *For more details, please refer to 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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*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.