A multilayer substrate includes a stacked body of insulating base material layers and conductor patterns on the insulating base material layers. A thickness adjustment base material layer includes a frame portion, an opening portion inside the frame portion, and an island shaped portion inside the frame portion, and connection portions to connect the island shaped portion to the frame portion. The conductor patterns, in a stacking direction of the insulating base material layers, are wound around the island shaped portion. A line width of the connection portions is smaller than the width of the island shaped portion connected to the frame portion through the connection portions. An area overlapped with the conductor patterns is larger in the opening portion than in the frame portion and the island shaped portion.

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.

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.

A coil component includes a molded portion having one surface and another surface opposing each other, and a wound coil disposed on the one surface of the molded portion and including an innermost turn, at least one intermediate turn, and an outermost turn disposed outwardly of a central portion of the one surface of the molded portion. A cover portion is disposed to face the one surface of the molded portion and to cover the wound coil, and first and second external electrodes are connected to the wound coil and arranged to be spaced apart from each other on the other surface of the molded portion. A thickness of one region of the cover portion disposed on the innermost turn is thicker than a thickness of another region of the cover portion disposed on the outermost turn.

An inductive device may be provided, including a substrate and an inductive structure arranged over the substrate. The inductive structure may include a bottom metal winding layer; a top metal winding layer arranged further away from the substrate than the bottom metal winding layer; a magnetic core layer arranged between the bottom metal winding layer and the top metal winding layer; a connector arranged to electrically connect the bottom metal winding layer and the top metal winding layer; and a top metal ring element arranged around the top metal winding layer, spaced apart from the top metal winding layer. The inductive device may further include a guard ring element arranged under the top metal ring element and around the magnetic core layer, spaced apart from the magnetic core layer; wherein the guard ring element may include a magnetic material.

An inductive device may be provided, including a substrate and an inductive structure arranged over the substrate. The inductive structure may include a bottom metal winding layer; a top metal winding layer arranged further away from the substrate than the bottom metal winding layer; a magnetic core layer arranged between the bottom metal winding layer and the top metal winding layer; a connector arranged to electrically connect the bottom metal winding layer and the top metal winding layer; and a top metal ring element arranged around the top metal winding layer, spaced apart from the top metal winding layer. The inductive device may further include a guard ring element arranged under the top metal ring element and around the magnetic core layer, spaced apart from the magnetic core layer; wherein the guard ring element may include a magnetic material.

The invention relates to a field coil (18, 20), in particular for a satellite hall-effect plasma thruster, said field coil (18, 20) comprising a core (22) on which a conductor (24) is wound, characterized in that the conductor comprises an inorganic insulation cable (26) impregnated with a high-temperature-resistant silicone coating (32).

In an exemplary embodiment, a coil component includes: an element body part 10 and a coil 30 of spiral shape constituted by multiple turn units 32 connected in a coil axial direction; wherein each turn unit 32 has, in a cross-sectional view in the width direction of the turn unit 32, a flat side 40 that extends in a second direction substantially perpendicular to the coil axis of the coil 30; and the point of intersection 48 between a figure line 42 corresponding to the longest part in a first direction, and a figure line 44 corresponding to the longest part in the second direction, with respect to the coil axis, is positioned on the figure line 42 within one-quarter of the figure line away from one end 50 on the side 40 or from the other end 52 opposing the side 40.

Disclosed is a superconducting magnet with improved thermal and electrical stabilities and a method for manufacturing the same. The superconducting magnet includes a bobbin disposed at a center of the superconducting magnet, a superconducting winding wound around an outer face of the bobbin, and an epoxy impregnated at an exterior of the superconducting winding, wherein the epoxy contains carbon nanotubes.

Disclosed herein is a coil component that includes a magnetic element body, a coil conductor embedded in the magnetic element body and having an end portion exposed from the magnetic element body, and a terminal electrode connected to the end portion of the coil conductor. The terminal electrode includes a conductive resin contacting the end portion of the coil conductor and containing conductive particles and a resin material, and a metal film covering the conductive resin. The conductive resin including a first conductive resin contacting the end portion of the coil conductor, and a second conductive resin contacting the metal film without contacting the end portion of the coil conductor. A specific surface area of the conductive particles contained in the first conductive resin is larger than that of a conductive particles contained in the second conductive resin.