Patent ID: 9240275
Filing Date: 2016-01-19
CPC Classification: H01F

Claim Text:
1. A core for a wire-wound electronic component, the core comprising: a winding core portion around which a winding wire is to be wound; flanges provided at respective ends of the winding core portion, the flanges projecting from the winding core portion in directions perpendicular to an axial direction of the winding core portion; and concaves at respective corners, each corner formed of an adjoining surface of one of the flanges that adjoins to the winding core portion and an end surface of the flange that is located at an end in a first perpendicular direction, which is one of the projecting directions of the flanges; wherein at least part of inner periphery of each of the concaves includes a connecting surface that connects a contact portion where one of the flanges contact with the winding core portion to one of the end surfaces, all normal vectors of the connecting surfaces have components in the first perpendicular direction, and the flanges extend at least partially over the concaves.