H01F41/125

FLEXIBLE CHARGING PAD AND MANUFACTURING METHOD THEREOF
20220103001 · 2022-03-31 ·

A flexible charging pad and a manufacturing method thereof are provided. The manufacturing method of the flexible charging pad includes: providing a double-sided tape to form an adhesion layer, one of two isolation papers is attached on the first adhesion surface, and another of the two isolation papers is attached on the second adhesion surface; removing the isolation paper attached on the first adhesion surface, and attaching a conductor on the first adhesion surface; attaching a first pad layer on the first adhesion surface to cover the conductor, the conductor is disposed between the first pad layer and the adhesion layer; disposing an adhesive to cover the conductor and the first pad layer, and to form a molded layer.

Method of manufacturing reactor
11239733 · 2022-02-01 · ·

A method of manufacturing a reactor is provided. The reactor include: a coil including a wound flat wire, the flat wire being covered with an insulating film, and the coil having a flat surface; and a cooler facing the flat surface, in which the flat wire on an outer periphery side of the coil may be not covered with the insulating film at the flat surface, and the flat wire at the flat surface may include a plurality of wire segments lying in a pitch direction. The method may include pressing a rod against a short side of the plurality of wire segments to form at least one thickened portion in each of the plurality of wire segments, the thickened portion being a portion of the flat wire thickened in the pitch direction.

Transformer and an associated method thereof

A transformer having an insulation system is presented. The transformer includes a magnetic core having an opening. Also, the transformer includes a plurality of primary windings disposed extending through the opening of the magnetic core. Further, the insulation system includes a first insulation substantially encapsulating the plurality of primary windings and impregnating spaces between the plurality of primary windings, and a second insulation disposed around the first insulation, where the second insulation has at least one of a predetermined dielectric strength and a predetermined thickness configured to isolate a first voltage signal in the plurality of primary windings from the magnetic core.

Inductor and method for manufacturing the same

An inductor includes a body including a support member, a coil, and an encapsulant, and external electrodes on external surfaces of the body. The coil in the body may be formed so that a plurality of coil patterns are continuously formed, wherein the coil pattern includes first and second coil layers, and the encapsulant extends downward between adjacent coil patterns to be between first coil layers of adjacent coil patterns.

METHOD OF MANUFACTURING MULTILAYER CHIP COMPONENT

In a method of manufacturing a multilayer chip component according to an aspect of the present disclosure, a two-dimensional code is formed in each of green chips divided in a dividing step. In the two-dimensional code, a substrate ID identifying a laminate substrate and an individual body ID identifying an individual multilayer chip component are associated with each other. Therefore, it is possible to accurately and quickly discern which laminate substrate a multilayer chip component is manufactured from by reading the two-dimensional code of the multilayer chip component, and thus high traceability can be achieved.

LOW PROFILE HIGH CURRENT COMPOSITE TRANSFORMER
20210175002 · 2021-06-10 · ·

A low profile high current composite transformer is disclosed. Some embodiments of the transformer include a first conductive winding having a first start lead, a first finish lead, a first plurality of winding turns, and a first hollow core; a second conductive winding having a second start lead, a second finish lead, a second plurality of turns, and a second hollow core; and a soft magnetic composite compressed surrounding the first and second windings. The soft magnetic composite with distributed gap provides for a near linear saturation curve.

CURVED HAPTIC ACTUATOR AND WEARABLE DEVICE COMPRISING SAME

A curved haptic actuator according to an embodiment may comprise: a housing having a receiving space and having a shape where the receiving space and an outer appearance thereof are bent outward; a vibration unit disposed in the receiving space, being movable along the longitudinal direction of the housing, and having a shape bent upward; elastic bodies connected to an inner wall of the housing and both sides of the vibration unit; and a magnetic field generation unit which is installed on the inner wall of the housing and generates a magnetic field and applies the magnetic field to the vibration unit.

Inductor

An inductor includes a body including a support member, a coil, and an encapsulant encapsulating the support member and the coil and external electrodes disposed on an external surface of the body and connected to the coil, wherein the support member includes a through-hole and a via hole spaced apart from the through-hole, the coil includes a first coil disposed on one surface of the support member and a second coil disposed on the other surface of the support member opposing the one surface, the first and second coils are connected to each other by a via filling the via hole, and the via continuously covers an end surface of the first coil and an upper surface of the second coil.

SUBSTRATE, MANUFACTURING METHOD, AND POWER MODULE WITH SAME

A substrate includes a first insulation layer, a passive component, a first through-hole structure, a second insulation layer and a second electrode. The first insulation layer has a top surface and a bottom surface. The passive component is embedded in the first insulation layer. The passive component includes a first conducting terminal. The first through-hole structure is formed in the first insulation layer. The first through-hole structure includes a conductive part and an insulation part disposed within the conductive part. The conductive part is in contact with the first conducting terminal and formed as a first electrode. The second insulation layer is disposed on portion of the conductive part that is close to the bottom surface of the first insulation layer. At least part of the second electrode is disposed on the second insulation layer. The second electrode is in contact with the first insulation layer.

ISOLATION CORE FOR POWER CONVERTER
20210166857 · 2021-06-03 ·

A transformer includes an isolation core casing of a power converter. The transformer includes a primary winding, a secondary winding, a magnetic core, a cover, and a cup. The cover and cup are joined and sealed together to form the core casing. The primary winding is wound directly on the magnetic core, and the magnetic core is sealed within the core casing. The secondary winding is wound around the core casing such that the primary and secondary windings are electrically isolated from each other by a solid insulation barrier provided by the core casing, resulting in no increase in the creepage or the clearance path between the primary and the secondary windings, which allows the transformer to be miniaturized without negatively affecting safety and converter performance due to leakage inductance.