| 摘要 |
PROBLEM TO BE SOLVED: To increase the number of turns of a coil, by reducing a region where a wire is not wound, in the winding core part of a winding coil.SOLUTION: By chamfering a flange 12, a bottom face boundary chamfered region 24, i.e., a region where the ridge lines bordering the bottom face 14 and the inner wall surface 15, and the bottom face 14 and the outer wall surface 16 are rounded, is formed. A bottom face electrode 30a is formed on the bottom face 14 and the bottom face boundary chamfered region 24, from a section X1 defined by the inner wall surface 15 and outer wall surface 16 constituting the flange 12, in a mode not projecting to the other opposing inner wall surface 15. A wire 40 is connected to a place Y1 of the bottom face electrode 30a, not projecting to the other inner wall surface 15.SELECTED DRAWING: Figure 1 |
