| 摘要 |
A surface mounting structure for a surface mounting electronic component includes an electronic component, a circuit board and a solder fillet. The electronic component has on a marginal portion thereof a plurality of electrodes, each of which is formed so as to cover at least an under surface, both side faces and an end face of the electronic component. The circuit board has a set of lands, on which the electrodes of the electronic component are joined by soldering. Each land corresponds to one of the electrodes and has a restricting portion, which restricts movement of the electronic component at the time of solder melting during surface mounting, and also has a protrusion on each side of the corresponding electrode. The solder fillet is formed at least on each protrusion so as to correspond to both side faces of the corresponding electrode.
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