Skipped Solder Joints

We are experiencing skipped joints on a variety of products manufactured through our wave solder process. A cross section of various PCB assemblies confirms that the defects are greater on boards with thicker resist and lower on boards with thinner resist, 50% lower than the pad height. Can you offer opinions on why we are experiencing this problem?

A. I.

Expert Panel Responses

Have you tried selective soldering on these boards? With selective soldering you have a lot more control over the process. If you are interested in sending any sample boards to us we would be more than happy to run them for you.

Todd O'Neil
National Sales and Marketing Manager, North America
Business Development Manager, DAGE | X-Ray component counting

Mr. O'Neil has been in the electronics manufacturing industry for over 20 years.

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