What standard should I be using for application and inspection of conformal coating?

First, in standards a critical distinction needs to be made between the user of a conformal coating and the manufacturer of coating. The Interconnections & Packaging Conference (IPC) standards are very good for both these areas and their details can be found on http://www.ipc.org.

For manufacturing you need IPC-CC-830B which details all the hoops a manufacturer has to jump through to self-certify the quality of their product.

For production purposes you would need either the IPC A -610 standard or the IPC –HDBK-830. The first gives some minor references which are of limited help except for specifying acceptance criteria.  However, the handbook is a compilation of the conformal coating industry’s practical knowledge and will help designers & users of conformal coatings to understand the practical implications of selection, application and inspection, explaining in detail how to achieve the best results.

You should also be aware that right now the IPC standards on Conformal Coating Inspection are being reviewed and you can join the debate on the IPC techlink.

Another good resource on topics like conformal coating defects are the Technical Bulletins from SCH Technologies.They covered the full range of conformal coating defects and this will help in the inspection stages.

Click Conformal Coating Inspection FAQs to find out more about this and other issues relating to the process.


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About Dr Lee Hitchens

Dr Hitchens has been working in the electronics industry and the area of conformal coatings for over 25 years in various areas including sales and technical support. He has also been training people for almost the same amount of time in all areas of conformal coating whether that is materials & equipment selection, process development or troubleshooting to help them solve their particular problem. Recently, he decided that the industry needed a specific place where all of the useful knowledge on conformal coatings could be collated for users to find easily and use in their own production process. So, Nexus was born and he began the Nexus eBook project.

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