Defect of the Month with Bob Willis – Ultrasonic Cleaning Damage

Welcome to Defect of the Month, in association with What’s New in Electronics. Every month, Bob Willis will provide an example of a particular defect and hopefully some solutions. Bob has made over a hundred different defect videos over the years, so hopefully one will solve one of your process problems.

If you are cleaning printed circuit boards, one of the options is using ultrasonic energy. Ultrasonic cleaning with different chemistry can be extremely effective in improving cleanliness performance. When you are cleaning flux or other residues from a PCB, there has long been a concern about the potential for damage due to use of ultrasonic energy….