H01F2017/048

INDUCTOR COMPONENT
20230128955 · 2023-04-27 · ·

An inductor component is capable of suppressing formation of a leak path between vertical wires. Such an inductor component includes an element body that includes a plurality of magnetic powders, at least one of which contains an Fe element as a main component, and has a first principal surface and a second principal surface; an inductor wire that is provided in the element body and extends along a plane parallel to the first principal surface; a vertical wire that is provided in the element body, is connected to an end of the inductor wire, and extends to the first principal surface in a direction orthogonal to the first principal surface; and a conductive protection film that covers at least a part of a side surface of the vertical wire extending along a direction orthogonal to the first principal surface and has a higher hardness than the vertical wire.

Power inductor

Provided is a power inductor. The power inductor includes a body including metal powder and an insulation material, at least one base provided in the body, at least one coil pattern disposed on at least one surface of the base, and an external electrode disposed on each of at least two side surfaces of the body. At least a portion of the external electrode is made of the same material as the coil pattern.

ELECTRONIC COMPONENT

A stacked coil component includes: an element body, a coil disposed inside the element body; and a first outer electrode and a second outer electrode which are disposed in the element body. Each of the first outer electrode and the second outer electrode includes an electrode portion which includes a joining surface joined to the element body, and a plating surface opposite to the joining surface and is formed by plating, and of which at least a part is embedded in the element body.

Surface mount inductor and manufacturing method therefor

A surface mount inductor includes a molded body made of a composite material containing a magnetic powder, and a metal plate including a first metal plate portion that is buried in the molded body and second metal plate portions that extend from the first metal plate portion to outside the molded body. The second metal plate portions each include a first bent portion that extends from a side surface of the molded body and is bent in a direction that intersects the mounting surface and a second bent portion that is bent from the direction that intersects the mounting surface toward a side surface the molded body. The second metal plate portions extend along the molded body onto the mounting surface and form an external terminal. An internal angle of each first bent portion is formed so as to be an obtuse angle.

Coil component

A coil component including an element assembly that contains a filler and a resin material, a coil portion composed of a coil conductor that is embedded in the element assembly, and a pair of outer electrodes electrically connected to the coil conductor. The outer electrodes are disposed on a lower surface, and the coil axis of the coil portion is parallel to a mounting surface.

Inductor

An inductor includes a conductor and an exterior member containing magnetic material. The conductor includes a main body embedded in the exterior member, a pair of lead-out parts connected to the main body, and a pair of electrode parts coupled to the main body and disposed outside the exterior member. The main body includes first and second conductive plates. The first conductive plate includes a pair of first end parts connected to the electrode parts, respectively, and a first central part sandwiched between the first end parts in a longitudinal direction. The second conductive plate includes a second central part connected to the first central part at a first connecting location and a pair of second end parts sandwiching the second central part therebetween in the longitudinal direction. The main body is bent at the first connecting location such that the first main surface faces the second main surface with a space in between. One of the first end parts is joined to one of the second end parts. Another of the first end parts is joined to another of the second end parts. This inductor reduces its direct current resistance and loss.

Coil component

A coil component includes a drum core and first and second wires. The first wire includes a first extending portion. The second wire includes a third extending portion. The first and third extending portions are not in contact with each other. Each of the first and second wires includes a coat including a first region and a second region. The coat in the first and third extending portions is the second region at least in part. The coat is the first region at a contacting point where the first and second wires are in contact for the first time from a first flange portion in the drum core.

Power inductor and manufacturing method therefor
11600434 · 2023-03-07 · ·

Disclosed are a power inductor and a method of manufacturing the same. The power inductor includes a body, a coil pattern provided in the body, an external electrode disposed on at least one surface of the body and extending to at least the other surface of the body, which is adjacent thereto, and a coupling layer provided between the body and an extended area of the external electrode.

Inductor and method for producing the same
11600438 · 2023-03-07 · ·

An inductor includes an element containing a magnetic metal powder and a resin, a coil that includes a winding portion and paired extended portions extended from both ends of the winding portion and that is embedded in the element, a pair of an external terminal electrically connected to one of the extended portions and an external terminal electrically connected to the other of the extended portions, and a conductive layer disposed on a surface of the element that crosses the winding axis of the coil. The conductive layer includes a first metal layer formed by fusing together the magnetic metal powder near the surface of the element and a second metal layer formed by plating on the first metal layer. The electrical resistivity of the second metal layer is lower than the electrical resistivity of the first metal layer.

Coil component
11600428 · 2023-03-07 · ·

A coil component includes an element body including a magnetic portion containing metal particles and a coil conductor embedded in the magnetic portion, and at least a pair of outer electrodes disposed on the element body and electrically connected to the coil conductor. The magnetic portion includes a region A containing metal particles having a relatively small average particle size and a region B containing metal particles having a relatively large average particle size. The region A is present between outer electrodes of the pair of outer electrodes and the coil conductor.