H01F2017/065

INDUCTIVE COMPONENT AND METHOD FOR PRODUCING AN INDUCTIVE COMPONENT
20210280350 · 2021-09-09 ·

The present invention provides an inductive component (1a) in several illustrative embodiments and a method for producing such an inductive component. The inductive component (1a) comprises a bus bar (4a) and at least one magnetic core (6a) which is formed along a section of the bus bar (4a) and surrounds the bus bar (4a) in that section at least in part, wherein the at least one magnetic core (6a) is formed as a plastic-bonded magnetic core or a core made of magnetic cement.

INDUCTOR

An inductor includes a wire having a generally circular shape in cross section, and the magnetic layer covering the wire, wherein the wire includes a conductive wire and an insulating layer covering the conductive wire, the magnetic layer contains anisotropic magnetic particles and a binder, and includes in a surrounding region of the wire within 1.5 times the radius of the wire, a first region in which the anisotropic magnetic particles are oriented along the circumferential direction of the wire, and a second region in which the anisotropic magnetic particles are oriented along the crossing direction that crosses the circumferential direction, or in which the anisotropic magnetic particles are not oriented.

POWER CONVERTING DEVICE
20210226552 · 2021-07-22 ·

A power converter device includes a first current level, a second current level, a first magnetic layer and a second magnetic layer. The first current level and the second current level are used to load a current loop which has AC current component. The current loop includes a power element module and a conductor coupled to the power element module. The power element module includes at least two electrodes. Voltage among the at least two electrodes is AC voltage. AC current magnitudes of the at least two electrodes are substantially equal and in the opposite direction. The first magnetic layer and the second magnetic layer are used to load a magnetic loop which includes AC magnetic flux component. The first magnetic layer and the second magnetic layer are disposed in two opposite sides of the first current level.

Noise reduction unit
11094454 · 2021-08-17 · ·

A noise reduction unit includes a conductor having a winding portion and a ring-shaped core which is made of a magnetic material and is inserted through the winding portion, and a housing which houses the conductor and the ring-shaped core. An inner wall surface of the housing is formed with a recess configured to receive a part of the winding portion located on an outer circumferential surface of the ring-shaped core. The conductor is housed in the housing so that the part of the winding portion is received in the recess.

Conductor assemblies having filter cores

A conductor assembly can include one or more conductors formed by a conductive material, and one or more filter cores formed integrally on and at least partially around the one or more conductors. The one or more filter cores can be formed of a material different than the conductive material and can be configured to reduce electromagnetic emissions from the one or more conductors.

NOISE FILTER

A noise filter may include: a first conductive line extending between an input and an output terminal portion, wherein the first conductive line includes an input-side conductive line extending between the input terminal portion and a branch portion, and an output-side conductive line extending between the output terminal portion and the branch portion; a second conductive line connected to the branch portion of the first conductive line, wherein a capacitor is on the second conductive line; and a magnetic body surrounding at least a part of a circumference of at least a part of the first conductive line, wherein the magnetic body is configured to magnetically couple the input-side and the output-side conductive lines such that at least an equivalent series inductance of the capacitor and a parasitic inductance of the second conductive line are reduced by a mutual inductance between the input-side conductive line and the output-side conductive line.

Power supply noise suppressor

A power supply noise suppressor includes a housing configured to be fastened or adhered to a customer-premises equipment (CPE) device. A first connector is configured to connect to a cable. A second connector is configured connect to the CPE device. A circuit is positioned at least partially within the housing and connected to the first and second connectors. The circuit is configured to reduce an amount of a power supply switch noise that is transmitted in an upstream direction from the CPE device to the cable.

Voltage regulator module

A voltage regulator module includes a circuit board assembly and a magnetic core assembly. The circuit board assembly includes a printed circuit board and at least one switch element. A first concave structure is concavely formed on a second surface of the printed circuit board. At least one protrusion post is disposed within the first concave structure. A pin as a positive output terminal, a pin as a positive input terminal and a pin as a negative output terminal are disposed on the second surface of the printed circuit board. The switch element is disposed on a first surface of the printed circuit board. The magnetic core assembly is accommodated within the first concave structure, and includes at least one opening. The protrusion post is penetrated through the corresponding opening. Consequently, at least one inductor is defined by the at least one protrusion post and the magnetic core assembly collaboratively.

SEMICONDUCTOR WITH CHIP-EXTERNAL MAGNETIC CORES
20210183560 · 2021-06-17 ·

The structure includes a semiconductor chip connected to a substrate via one or more solder balls. The semiconductor chip includes one or more on-chip metal winding. The structure includes a first ferromagnetic core. The first ferromagnetic core is located below the semiconductor chip and above the substrate. The structure includes a second ferromagnetic core. The second ferromagnetic core is located above the semiconductor chip. The first ferromagnetic core and the second ferromagnetic core create a magnetic loop.

INDUCTOR BUILT-IN SUBSTRATE
20210183562 · 2021-06-17 · ·

An inductor built-in substrate includes a core substrate having openings and first through holes formed therein, a magnetic resin filling the openings and having second through holes formed therein, first through-hole conductors formed in the first through holes of the core substrate and including metal films formed in the first through holes of the core substrate, respectively, and second through-hole conductors formed in the second through holes of the magnetic resin and including metal films formed in the second through holes of the magnetic resin such that the metal films are filling the second through holes of the magnetic resin, respectively.