Patent ID: 11923118
Assignee: MURATA MANUFACTURING CO., LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H | IPC H

Claim 12:
13. A coil component comprising:
a drum core including a winding core portion extending in a first direction and a first flange portion and a second flange portion provided at both ends of the winding core portion, the first flange portion having a first portion and a second portion, wherein a step, an inner curved surface portion, and an outer curved surface portion are between the first portion and second portion, wherein the inner curved surface portion is adjacent to the step and the outer curved surface portion is adjacent to the step such that the inner curved surface portion and the outer curved surface portion are provided, respectively, at a beginning and an end of the step;
a terminal electrode provided on the step of the first flange portion; and
a wire wound around the winding core portion with an end of the wire bonded to the terminal electrode, wherein
the terminal electrode includes plural metal layers, an outermost layer of which is an Sn film having a flattened mounting surface, and
the flattened mounting surface overlaps the first portion, the second portion and the step when seen in a second direction perpendicular to the first direction.