A coil module comprises a carrier which has a polygonal basic shape with four to twelve corners and comprises a magnetic material. A coil is arranged on the carrier. The polygonal basic shape is rotationally symmetrical with an angle of 360°.Math.2 divided by the number of corners. To produce a coil assembly, a plurality of coil modules can be connected to each other. This makes it possible to produce an efficient coil assembly for wireless electromagnetic energy transmission in a simple and flexible manner.

An inductor element includes a first conductive portion, a second conductive portion, and a magnetic core. The first conductive portion includes a first round-about portion, a first mount portion, and a second mount portion. The second conductive portion includes a second round-about portion, a third mount portion, and a fourth mount portion. The magnetic core houses at least a part of the first and second conductive portions so that each mount surface of the first to fourth mount portions is exposed from one side of the magnetic core. The first and second conductive portions are arranged so that the first and second directions are substantially parallel and opposite to each other. The first and third mount portions are at least partially overlapped with each other in a third direction perpendicular to the first and second directions.

The magnetic poser unit (100) comprises a magnetic core (10) including a first, a second and a third winding channels (2a, 2b, 2c) respectively arranged around a first, a second and a third crossing axis (A-A, B-B, C-C) orthogonal to each other, each of said winding channels (2a, 2b, 2c) being intended for receiving one coil wound around the magnetic core (10), each coil having at least one turn. The crossing axis (A-A, B-B, C-C) define orthogonal planes providing eight octants, each including a protrusion defining a protruding spacer (20), being spaced to each other by said winding channels (2a, 2b, 2c). The magnetic core (10) is a composed core formed by several different partial magnetic cores assembled together including two side partial magnetic cores (12), each including four protruding spacers (20). The magnetic core (10) further includes a through hole (30) housing a device for heat dissipation (50).

A reactor has a coil and a loop-shaped magnetic core disposed extending inside and outside the coil. The coil has two winding portions that are disposed laterally side-by-side, and the magnetic core has two inner core portions that are disposed inside the winding portions, and two outer core portions that are disposed outside the winding portions and connect end portions of the two inner core portions. The reactor includes an inner resin portion obtained by filling a space between inner peripheral faces of the winding portions and the inner core portions, end face intervening members disposed between end faces of the winding portions and the outer core portions, and spacer pieces that are integrated with the end face intervening members and are disposed extending between an entirety of mutually opposing inward faces of the two winding portions.

A magnet comprising a center disc having a center disposed as a center of the magnet, a face of the center disc is substantially perpendicular to a central axis of the magnet. The magnet further comprises a first plurality of outer discs disposed around the center disc in a bundled rod construction, a face of each of the first plurality of outer discs substantially perpendicular to the central axis of the magnet, wherein the center disc and each disc of the first plurality of outer discs is electrically insulated from every other disc.

A magnetic core structure and an electromagnetic coupling device are provided by the present application. Wherein the magnetic core structure includes a first magnetic core and a second magnetic core; the first magnetic core includes a main portion and two side pillars fixedly connected to the main portion. Convex structures are set on end surfaces of the two side pillars away from the main portion, respectively; and the convex structures abut against a surface of the second magnetic core after the first magnetic core and the second magnetic core are assembled together, so as to form a gap between the end surfaces of the two side pillars away from the main portion and the surface of the second magnetic core. The magnetic core structure and the electromagnetic coupling device disclosed by the present application can precisely control an air gap between the two magnetic cores.

The present invention relates to a transformer iron core. The present invention comprises: an upper yoke (50); a lower yoke (51) extending in parallel with the upper yoke (50); and an end leg (60) which is installed between the upper yoke (50) and the lower yoke (51), which extends perpendicularly to the longitudinal direction of the upper yoke (50) and the lower yoke (51), and which is coupled to the upper yoke (50) and to the lower yoke (51). The upper yoke (50) and the lower yoke (51) are made by laminating multiple yoke steel plates (50′). The end leg (60) is also made by laminating multiple leg steel plates (60′). The upper yoke (50) and the lower yoke (51) have leg coupling portions (52) on both ends thereof. The end leg (60) has yoke coupling portions (62) coupled to the leg coupling portions (52).

An integrated voltage regulator comprises a plurality of semiconductor devices and a circuit board including a plurality of thermally conductive inlays. At least one of the plurality of electronic devices is thermally coupled to at least one of the plurality of thermally conductive inlays. A substrate is thermally coupled to the circuit board and to the plurality of thermally conductive inlays.

An electronic module comprising electrical components on a circuit board and a molding body disposed on the circuit board to encapsulate the electrical components, wherein a recess is formed in the molding body for exposing an electrode of the electronic module for connecting with an external component.

A coil component 100 includes a first coil element 111 and a second coil element 112 each formed in an angular-tubular shape and disposed in parallel by winding and laminating a single flat wire 101 in one direction with edgewise-winding between one end portion 101A and another end portion 101B and bending the wound and laminated coil into two, and includes an interconnection part 113 for connecting the both elements. The interconnection part 113 includes a coil element winding end portion side raised part 123A, a coil element winding start portion side raised part 123B, and an intermediate part 123C extended between the two raised parts 123A and 123B.