Patent ID: 7633366
Filing Date: 2009-12-15
Classification: H01F

Abstract:
1. A wire-wound coil comprising: a core having a winding core portion and flange portions provided at both ends of the winding core portion; a winding wound around the winding core portion of the core; electrodes provided on the flange portions and connected to ends of the winding; and a ferrite plate attached to upper portions of the flange portions so as to extend over the winding core portion; wherein each of the flange portions includes a projecting portion, and each of two opposed ends of the ferrite plate includes a recessed portion, the recessed portions and the projecting portions having complementary shapes; the flange portions and the ferrite plate are engaged through the recessed portions and projecting portions; and in sections where the flange portions and the ferrite plate are engaged, contact sections are provided where the projecting portions of the flange portions and the recessed portions of the ferrite plate are in direct contact with each other, and remaining portions define adhesion sections arranged to receive an adhesive.