Electronic Products & Technology


How to Clean Really Complex Electronics Assemblies

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January 10, 2024

Presented by SMTA Ontario Chapter Technical


12:00 – 1:00 pm Eastern
Virtual Meeting
Members/Students: FREE!
Non-Members $25 USD*
*Currency conversion charges may apply
You will receive an email confirmation and a link to join the event upon registration.
12:00-12:30 PM: Speaker Presentation
12:45 – 1:00 PM: Q&A

Technical Presentation:

Design for cleaning is a laudable goal; it is often unachievable. Nearly all high-value electronics assemblies require post-reflow cleaning to remove flux and the residue of an assortment of thin film and particulate manufacturing residue.  We will explain why “no-clean flux” must be removed and how soil and soil residue differ. Topics include increased assembly complexity, miniaturization, increased product performance requirements, and the impact of safety/environmental regulations.

To meet upcoming challenges, electronics assemblers must get strategic about cleaning. We will outline the range of cleaning choices and explain the inherent physical and chemical limitations of water. We will explain the importance of the collaboration between components suppliers and final assemblers. Cleaning techniques that expand the horizons of soil removal include high frequency ultrasonics, cyclic cavitation (cyclic nucleation), and non-chemical cleaning options such as CO2, steam, and laser cleaning. We will discuss the potential and limitations of newer techniques as well as testing requirements.

Speaker Bio:

Barbara Kanegsberg, “the Cleaning Lady” of BFK Solutions LLC, has experience and expertise in cleaning agent and cleaning process selection, analytical chemistry, and troubleshooting manufacturing processes. Ed Kanegsberg, “the Rocket Scientist” of BFK Solutions, is a chemical physicist and engineer who troubleshoots and solves manufacturing production problems. As independent experts and advisers, they help manufacturers achieve rugged, trouble-free processes in areas such as electronics, metal forming and fabrication, aerospace, medical device manufacturing, optics, and consumer products. They are co-editor/contributors for the classic 2 Volume Second Edition of the “Handbook for Critical Cleaning,” CRC Press, 2011. They conduct dynamic, interactive workshops and training programs, including real time and on-demand Product Quality Cleaning Workshops, with Sam Houston State University.

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