SIR Test Vehicles – Comparison from a Cleaning Perspective

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[Naveen Ravindran, Umut Tosun]

Considering the quality and reliability requirements for complex PCBs, the manufacturing processes are qualified.

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Description

[02/2017]

PCB design has evolved greatly in recent years and has become increasingly complex. PCB density is increasing, component spacing is decreasing and long-term reliability requirements are higher than ever, especially for Class III products. Considering the quality and reliability requirements for complex PCBs, the manufacturing processes need to be qualified.

This study, “SIR Test Vehicles – Comparison from a Cleaning Perspective”, was developed to compare different SIR test vehicles from a cleaning perspective to determine which test vehicle is more difficult to clean and thus presents a challenge to the cleaning process.

Author

Naveen RavindranNaveen Ravindran, M.S.Ch.E. Application Engineer, ZESTRON Americas

Naveen Ravindran, M.S.Ch.E., is an Application Engineer at ZESTRON Americas. Mr. Ravindran 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. Ravindran provides technical support to our customers, including cleaning process recommendations as well as onsite customer support for process implementations and optimizations. He also was a key contributor to the extensive technical paper series “Key to Low Standoff Cleaning” as well as the lead-free and eutectic screening series completed at ZESTRON’s Technical and Analytical Center in Manassas, VA. Mr. Ravindran graduated with a Bachelor’s Degree in Chemical Engineering from the University of Madras, India, and a Master’s Degree in Chemical Engineering from West Virginia University, Morgantown, WV. He has been with ZESTRON Americas since October 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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