In an embodiment, a coil component includes: a core 10 having a pillar part 24, and a hollow space 22 around the pillar part 24; a coil conductor 40 having a spiral part 42 placed around the pillar part 24, and a lead part 48a or 48b led out from the spiral part 42 toward the bottom face 28 of the core 10, which lead part includes an end part 46a or 46b extending in parallel with the bottom face 28 and serves as an external terminal 49a or 49b; and an insulated terminal 60 electrically insulated from the coil conductor 40, which is provided on at least the bottom face 28; wherein the total base area of the bottom part 72 of the dummy terminal 60, on the bottom face 28, is greater than the total base area of the external terminals 49a, 49b.

A coil component includes a magnetic portion that includes metal particles and a resin material, a coil conductor embedded in the magnetic portion, and outer electrodes electrically connected to the coil conductor and disposed on the bottom surface of the coil component. The magnetic portion includes a magnetic base having a protrusion portion and a magnetic outer coating. The coil conductor is disposed on the magnetic base such that the protrusion portion is located in a core portion of the coil conductor. The magnetic outer coating is disposed so as to cover the coil conductor, and the height of the edge portion of the upper surface of the magnetic base is more than the height at the position at which the edge of the protrusion portion is located.

A coil component includes a magnetic portion that includes metal particles and a resin material, a coil conductor embedded in the magnetic portion, and outer electrodes electrically connected to the coil conductor and disposed on the bottom surface of the coil component. The coil conductor is disposed such that the central axis is arranged in the height direction of the coil component, and a winding constituting the outermost layer of a winding portion of the coil conductor is located at a position higher than the position of a winding constituting the innermost layer.

Disclosed herein is a coil component that includes a spiral conductor, a magnetic material layer covering the spiral conductor and having a through hole exposing an end of the spiral conductor, a through-hole conductor embedded in the through hole and has first region and second regions that are exposed from the magnetic material layer, a first conductor layer formed on an upper surface of the magnetic material layer and covering the first region of the through-hole conductor without covering the second region, and a second conductor layer covering the first conductor layer and the second region of the through-hole conductor, wherein the second conductor layer has a lower resistance than the first conductor layer.

Embodiments are directed to a method of forming a laminated magnetic inductor and resulting structures having anisotropic magnetic layers. A first magnetic stack is formed having one or more magnetic layers alternating with one or more insulating layers. A trench is formed in the first magnetic stack oriented such that an axis of the trench is perpendicular to a hard axis of the magnetic inductor. The trench is filled with a dielectric material.

An inductor is provided, comprising: a first ferrite core piece and a second ferrite core piece, each of which are made of substantially similar materials, exhibit desired electromagnetic properties, and which are fashioned in a substantially similar manner and shape, and wherein each of the first and second ferrite core pieces comprises a substantially planar mating surface, a center post, and a wire core assembly channel, and wherein a first substantially planar mating surface of the first ferrite core piece is adapted to planarly mate with a second substantially planar mating surface of the second ferrite core piece; and a wire core assembly adapted to be substantially self-locating and self-centering about a first or second center post when located in a respective first or second wire core assembly channel.

An electronic component includes a wire winding wound around a central axis. The wire winding having first and second ends, and first and second terminals are connected to or formed by the first and second ends. The terminals provide electrical contacts for connecting the component into a circuit. The component has a wet press molded body made of a mixture of magnetic and non-magnetic material that is heated and pressed about the wire winding. The wet press molded body leaves at least a portion of the terminals exposed for mounting the component to the circuit.

An MRIS gradient coil sub-assembly comprising a first coil layer comprising a first conducting coil portion, a second coil layer comprising a second conductive coil portion electrically connected with the first conductive coil portion so that the first and second conductive coil portions act together as one coil, and a B-stage material consolidation layer sandwiched between the first and second coil layers.

A method of manufacturing an inductor element includes preparing an insert member including a winding portion where a conductor is wound in a coil shape. A plurality of preliminary green compacts is obtained by conducting a preliminary compression molding of a granule containing a magnetic powder and a resin at a pressure of 2.510.sup.2 to 110.sup.3 MPa. The insert member and the plurality of preliminary green compacts are integrated so that a joint interface of the plurality of preliminary green compacts is formed intermittently.

An electronic component includes a body having a recessed portion, an inner conductor embedded in the body, and an outer electrode electrically connected to the inner conductor. At least part of the outer electrode is disposed in the recessed portion of the body. The electronic component further includes an insulating layer configured such that at least part of the outer electrode is covered with the insulating layer.