Wave Soldering Defects

Bulbous Joint / Excess Fillet on a Printed Circuit Board

A solder joint on chip components that is over the height of the part with a convex meniscus is referred to as bulbous or excess fillet. It is caused during separation of the board from the solder wave and is more common in nitrogen soldering.

Figure 1: Bulbous Joint
Figure 1: Bulbous Joint

Celebrating 65 Years of Manufacturing Excellence  Learn More →
America's Oldest. A History of Innovation.

Today at Epec, the customer comes first, and everything we do must be put through that filter. Whether it is developing e-commerce platforms to make it easier to work with us, or creating a NPI (new product introduction) process that helps our customers get to market faster, or the other 10 new projects we have in process, we must focus on building the new. By doing that every day, and by always making the customer our top priority, we plan on being here for another 65 years and then some.

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Celebrating 65 Years - Epec Engineered Technologies