What is PCB Tombstone?

IntroductionThe tombstone phenomenon is that during welding process of the MLCC and PCB, one end of the MLCC leaves the welding area and is inclined or standing upright. The main reason is the unbalanced wetting force at both ends of the MLCC during the welding process. The main factors that produce unbalanced wetting force are:(1) Both ends of MLCC cannot be melted at the same time;(2) The pad design is unreasonable. According to the mechanical mechanism, it is proposed to keep the surface of t...

Reflow Soldering PCB MLCC Solder Paste PCB Tombstone

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