H01F1/14

Electronic component and production method thereof

An electronic component includes a composite body composed of a composite material of a resin and a magnetic metal powder and a metal film disposed on an outer surface of the composite body. The magnetic metal powder contains Fe. The metal film mainly contains Ni and is in contact with the resin and the magnetic metal powder.

Electronic component and production method thereof

An electronic component includes a composite body composed of a composite material of a resin and a magnetic metal powder and a metal film disposed on an outer surface of the composite body. The magnetic metal powder contains Fe. The metal film mainly contains Ni and is in contact with the resin and the magnetic metal powder.

BALLISTIC UNIPOLAR BISTABLE ACTUATOR
20220005639 · 2022-01-06 ·

An actuator for controlling the movement of an element between two stable positions with pulsed electrical control without a change in polarity comprises: a ferromagnetic mobile mass, at least one electrically controlled wire coil that is fixed with respect to the mobile mass, at least two ferromagnetic poles that are fixed with respect to the mobile mass and on either side of the mobile mass. The actuator comprises at least one permanent magnet that attracts the mobile mass in order to achieve the two stable positions. The mobile mass defines, with the ferromagnetic poles, at least two variable air gaps during the movement of the mobile apparatus. The magnetic flux of the permanent magnet opposes the magnetic flux generated by the at least one coil regardless of the position of the mobile mass.

BALLISTIC UNIPOLAR BISTABLE ACTUATOR
20220005639 · 2022-01-06 ·

An actuator for controlling the movement of an element between two stable positions with pulsed electrical control without a change in polarity comprises: a ferromagnetic mobile mass, at least one electrically controlled wire coil that is fixed with respect to the mobile mass, at least two ferromagnetic poles that are fixed with respect to the mobile mass and on either side of the mobile mass. The actuator comprises at least one permanent magnet that attracts the mobile mass in order to achieve the two stable positions. The mobile mass defines, with the ferromagnetic poles, at least two variable air gaps during the movement of the mobile apparatus. The magnetic flux of the permanent magnet opposes the magnetic flux generated by the at least one coil regardless of the position of the mobile mass.

Integrally-formed inductor and a fabricatin method thereof
11783992 · 2023-10-10 · ·

An inductive component is disclosed, the inductive component comprising a metal structure, comprising a bare conductor wire, a first electrode and a second electrode, wherein the first electrode and the second electrode are integrally formed with the bare conductor wire, wherein a first thickness of the first electrode is greater than that of the bare conductor wire and a second thickness of the second electrode is greater than that of the bare conductor wire; and a magnetic body encapsulating the bare conductor wire, at least one portion of the first electrode, and at least one portion of the second electrode, wherein the first lateral surface of the first electrode and the second lateral surface of the second electrode are embedded inside the magnetic body.

Supersaturated solid solution soft magnetic material and preparation method thereof
11791076 · 2023-10-17 · ·

A supersaturated solid solution soft magnetic material and a preparation method thereof are provided, belonging to the field of metal soft magnetic technologies. The supersaturated solid solution soft magnetic material is soft magnetic alloy with proportions of 72.0˜78.0 at % Fe, 12.0˜18.0 at % Si, 4.0˜12.0 at % Co and 1.0˜3.0 at % Ti. The preparation method uses molten glass purification or electromagnetic levitation melting to an alloy melt with a target supercooling degree, increases the solid solubility of the Ti element in α-Fe (Si, Co), and promotes the formation of supersaturated solid solution of Ti, thereby achieving the goal that the magnetocrystalline anisotropy constant and the magnetostriction coefficient tend to be zero. Ti element is uniformly distributed in the α-Fe (Si, Co) after supercooled solidification analyzed by X-ray energy spectrometer, a supersaturated solid solution alloy without Ti precipitation is obtained, and the soft magnetic alloy has low coercivity and high permeability.

COMPOSITION, MAGNETIC PARTICLE-CONTAINING CURED SUBSTANCE, AND ELECTRONIC COMPONENT
20230331960 · 2023-10-19 · ·

An object of the present invention is to provide a composition that is capable of forming a magnetic particle-containing cured substance having a high magnetic permeability and a low magnetic loss, and has excellent embedding suitability. Another object of the present invention is to provide a magnetic particle-containing cured substance and an electronic component.

The composition according to an embodiment of the present invention is a composition containing magnetic particles that has an Fe atom content of 70% by mass or more and an epoxy resin, in which the magnetic particles have a peak top in a range of 10 to 30 μm in a particle size distribution curve showing a volume-based frequency distribution, and a content of the magnetic particles is 70% to 90% by mass with respect to a total solid content in the composition.

COMPOSITION, MAGNETIC PARTICLE-CONTAINING CURED SUBSTANCE, AND ELECTRONIC COMPONENT
20230331960 · 2023-10-19 · ·

An object of the present invention is to provide a composition that is capable of forming a magnetic particle-containing cured substance having a high magnetic permeability and a low magnetic loss, and has excellent embedding suitability. Another object of the present invention is to provide a magnetic particle-containing cured substance and an electronic component.

The composition according to an embodiment of the present invention is a composition containing magnetic particles that has an Fe atom content of 70% by mass or more and an epoxy resin, in which the magnetic particles have a peak top in a range of 10 to 30 μm in a particle size distribution curve showing a volume-based frequency distribution, and a content of the magnetic particles is 70% to 90% by mass with respect to a total solid content in the composition.

Magnetic sheet and wireless power reception apparatus

A wireless power receiving apparatus which wirelessly charges power according to one embodiment of the present invention includes a substrate, a soft magnetic layer which is laminated on the substrate and is formed with a plurality of patterns including at least 3 lines radiated from predetermined points, and a coil which is laminated on the soft magnetic layer and receives electromagnetic energy radiated from a wireless power transmitting apparatus.

Magnetic sheet and wireless power reception apparatus

A wireless power receiving apparatus which wirelessly charges power according to one embodiment of the present invention includes a substrate, a soft magnetic layer which is laminated on the substrate and is formed with a plurality of patterns including at least 3 lines radiated from predetermined points, and a coil which is laminated on the soft magnetic layer and receives electromagnetic energy radiated from a wireless power transmitting apparatus.