Evaluating Rinsing Effectiveness in Spray-In-Air Cleaners

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[Jigar Patel, Umut Tosun]

For effective cleaning of flux residues after soldering, the cleaning process requires chemical, thermal and mechanical energy. After optimisation, the result is an effective and efficient cleaning process.

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This study was designed to investigate the efficiency of the rinse cycle using both a spray-in-air batch and inline cleaner.

Glass slides of various surface area were affixed to the test vehicle surface at various standoff heights to emulate low standoff components. Rinse efficiency was evaluated through visual inspection, ionic contamination and localized extraction for ion chromatography. Key variables were plotted and analyzed using Minitab® software.


Jigar PatelJigar Patel, M.S.Ch.E. Senior Application Engineer, ZESTRON Americas

Jigar Patel, M.S.Chem.Eng., is a Senior Application Engineer at ZESTRON Americas. Mr. Patel is an active member of the SMTA as well as the IPC. He has contributed to multiple case studies performed in collaboration with major cleaning equipment manufacturers. Mr. Patel provides technical support to ZESTRON customers, including cleaning process recommendations as well as onsite customer support for process implementations and optimizations. Mr. Patel graduated with a Bachelor’s Degree in Chemical Engineering from Shivaji University, India, and a Master’s Degree in Chemical Engineering from Wayne State University in Detroit, MI. He has been with ZESTRON since 2006.
Umut TosunUmut Tosun, M.S.Ch.E., PMP® Application Engineer, ZESTRON Americas Umut Tosun, M.S.Chem.Eng., is the Application Technology Manager at ZESTRON, the global leader in high precision cleaning products and services. Mr. Tosun has published numerous technical articles in leading electronics manufacturing magazines such as Circuits Assembly, SMT Magazine and US Tech. As an active member of the SMTA and IPC, Mr. Tosun has authored and presented numerous technical papers and studies at the industry’s largest trade shows such as the IPC/APEX and the SMTAI. Mr. Tosun holds a Bachelor of Science and Master’s Degree in Chemical Engineering from the Technical University of Hamburg, Germany. He joined ZESTRON in 2000.  

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