Flux residue analysis, defect cause investigation, cleanliness evaluation.
Support for identifying defects and resolving quality issues in the manufacturing site!
Our company conducts residue analysis to examine contaminants such as flux and sinter. We support the identification of defect causes and the resolution of quality issues in the manufacturing process through our expertise in flux cleaning, analysis, and know-how. We also conduct defect cause investigations to isolate the causes of issues such as assembly defects, as well as cleanliness evaluations to check the cleanliness and residue levels on circuit board surfaces. 【Features】 ■ Residue analysis to identify the presence and type of substances adhered to surfaces ■ Defect cause investigations analyzing foreign substances and causes using analytical equipment and expertise ■ Cleanliness evaluations for process management through regular analysis ■ Proposals for countermeasures and improvements in addition to analysis results ■ Cleanliness analysis is also possible for flux cleaning agents and circuit boards from other manufacturers ■ Cleanliness verification methods compliant with ISO 9455-18:2024 *For more details, please download the PDF or feel free to contact us.
basic information
**[Analysis Methods and Equipment]** ■ Microscope: Surface analysis using optical microscopes with 80x magnification, etc. ■ FT-IR: Measurement of organic residue and detailed cause analysis. ■ Ion Chromatography: Quantitative analysis of each ion species. ■ Zero Ion: Confirming the total amount of ion residue using an extraction analysis method. ■ SEM-EDS: Observation of detailed shapes of micro-objects and elemental analysis. *For more details, please download the PDF or feel free to contact us.*
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【Purpose】 ■ Identification of white residues on the substrate after cleaning ■ Investigation of causes when quality issues arise due to foreign matter adhesion ■ Conducting analyses specified by clients ■ Evaluation of the cleaning process aimed at ensuring reliability ■ Cleanliness analysis in fields requiring high-reliability electronic devices *For more details, please download the PDF or feel free to contact us.
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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.