Introduction to substrate cleaning and alternative fluorocarbon "Cleaning Solution Asahi Clean AK-225".
"Ky Technical Report" is a technical document that publishes technical information and special responses related to the manufacturing operations conducted by K-Y Electronics. In issue No. 030, we introduce "About Circuit Board Cleaning (1)." After soldering, eutectic products and cleaning-designated products undergo a precise cleaning process known as "flux cleaning." The alternative refrigerant HCFC-225, "Asahi Clean AK-225," used in flux cleaning, has been legally mandated to be discontinued for sale by the end of 2019. This document includes considerations using data and tables regarding cleaning agents and cleaning equipment that can replace alternative refrigerant cleaning. [Contents] ■ About Circuit Board Cleaning / Cleaning Agent Asahi Clean AK-225 ■ Reference Figure 1 "Types and Uses of Refrigerant Gases" ■ Reference Figure 2 "HCFC Reduction Targets in Our Country" ■ Summary of Refrigerants and Alternative Refrigerants *For more details, please refer to the PDF document or feel free to contact us.
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Our company is engaged in assembly operations in Osaka. Although we are a small town factory, we can produce everything from SMT assembly to unit assembly. In particular, we are capable of high-density and narrow-pitch CSP assembly. We can also inspect BGA and other components using X-ray inspection equipment. Most of our orders are for small lot items (around 50 to 1,000 units), so we do not seek large lot orders (such as tens of thousands of units). Because we focus on small quantities, we have abandoned the idea of reducing defects at each process and repairing finished products later. Instead, we prioritize high-quality production by carefully selecting solder based on the opening and difficulty of each component during mask creation. Please take a look at our website for an overview of our company and detailed equipment information.
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