Zulki’s PCB Nuggets: Get a Handle on Glob Top Epoxies - Nexlogic
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In my last column, I talked about protecting both the bare die and associated wire bonding as a major part of today’s PCB microelectronics assembly. I also discussed two die protection methodologies—glob top and lid and cover—as well as a glob top sub-method known as dam and fill. This column will further describe how you can get a handle on glob top epoxies.

Most often, glob top is the prevalent method EMS providers use today. However, the most important point to be made about glob top is the fact that multiple manufacturers are producing different glob top epoxies. And within each manufacturer, there are numerous types of epoxies being produced. Another key point is that EMS providers and contract manufacturers generally are the ones deciding on the kind of epoxy to use.

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