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US 12,230,433 B2Granted
Coil component and method of manufacturing the same
AssigneeMurata Manufacturing Co., Ltd.
InventorNobuyuki Ojima
Life of this patent
Estimating the term…
Abstract
A coil component includes: a core that includes a winding-core portion and a flange portion that is formed on an end surface of the winding-core portion; a wire that is wound around the winding-core portion; and an outer electrode that is formed on a bottom surface of the flange portion, to which an end portion of the wire is connected, and that includes a first metal layer that forms a surface of the outer electrode. At least a part of the end portion of the wire is embedded in the first metal layer.
Claims13
A coil component comprising:
- a core that includes a winding-core portion and a flange portion that is on an end surface of the winding-core portion;
- a wire that is wound around the winding-core portion;
- and
- an outer electrode that is on a bottom surface of the flange portion, to which an end portion of the wire is connected, and that includes a first metal layer that defines a surface of the outer electrode,
- wherein
- at least a part of the end portion of the wire is embedded in the first metal layer,
- the wire includes a conductive portion and a covering portion that covers the conductive portion,
- the covering portion includes polyurethane or polyamide,
- carbon element is present in the first metal layer, and the carbon element is a part of a resin, and
- the resin includes rosin or a modified rosin.
7 more elements
Dependencies are inferred from the claim text.