Provided are a roll-shaped magnetic field shielding sheet, a method of manufacturing a magnetic field shielding sheet, and an antenna module using the same, which can improve the efficiency of the overall production process by improving a heat treatment process for a thin film magnetic sheet. The magnetic field shielding sheet includes: at least one thin film magnetic sheet; an insulating layer or insulating layers formed on one or either side of the at least one thin film magnetic sheet; and an adhesive layer formed between the insulating layers of the adjacent thin film magnetic sheets to laminate and bond the thin film magnetic sheets, wherein the thin film magnetic sheet is flake-treated to be divided into a plurality of magnetic substance fragments.

A magnetic wiring circuit board includes an insulating layer; a wire disposed on a one-side surface in a thickness direction of the insulating layer and having a one-side surface in the thickness direction disposed to face the one-side surface in the thickness direction of the insulting layer at spaced intervals thereto, an other-side surface in the thickness direction in contact with the one-side surface in the thickness direction of the insulating layer, and side surfaces each connecting an end edge of the one-side surface in the thickness direction to an end edge of the other-side surface in the thickness direction; and a magnetic layer containing a magnetic particle having a shape of an aspect ratio of 2 or more and embedding the wire.

The present disclosure is related to a wireless charging module and an electronic device thereof. The wireless charging module includes a base, at least one magnetic shielding sheet, and a coil. The base includes at least two metal melting regions. Each metal melting region includes an opening, and a blocking region disposed at the opening. The magnetic shielding sheet is disposed on the base. The magnetic shielding sheet partially exposes the two metal melting regions and the openings. The coil is disposed on the magnetic shielding sheet. The coil includes two leads. The two leads are respectively disposed on the two metal melting regions. The two leads are disposed in the blocking regions and the openings. The electronic device includes the wireless charging module and a power supply. The wireless charging module is electrically connected to the power supply.

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.

A magnetic film includes a plurality of magnetically permeable particles dispersed between opposing first and second major surfaces of the magnetic film. The first and second major surfaces are spaced apart a distance D. The particles are agglomerated so as to form a plurality of substantially continuous layers of particles generally extending along orthogonal first and second directions and arranged along a third direction. Each substantially continuous layer of particles has a length L along the first direction from a first to an opposing second edge of the magnetic film and a width W along the second direction extending from the first to the second major surface. L/D≥100.

A coil component includes a body having one surface and the other surface opposing each other in one direction, and a plurality of walls each connecting the one surface to the other surface; a coil portion buried in the body, and having both ends exposing to one of the plurality of walls of the body; first and second external electrodes respectively including first and second terminal electrodes disposed on one surface of the body and spaced apart from each other, and first and second connection electrodes respectively connecting the first and second terminal electrodes to both ends of the coil portion; a first external insulating layer disposed on the other surface of the body; and a first shielding layer disposed on the external insulating layer.

An inductive transmission element comprising a magnetically conductive electrically insulating, MCEI, annular core. The core comprises an outer wall and an inner wall apart from the outer wall. The respective walls are joined by a planar top surface. The inner wall and the outer wall form an annular trough opening adjacent the top surface. The open annular trough comprises opposed diagonal walls that intersect the top surface and a circular region at the distal end of the opposed diagonal walls. The annular trough opening may be wider or narrower than the planar top surface between the diagonal walls and outer surface. The annular core may be disposed within an annular housing comprising a polymeric block. The diagonal walls may intersect the top surface at an angle greater than 93°. The diagonal walls may intersect the circular region at an angle greater than 93°. The top surface may be polished.

The present disclosure disclosed a wireless charging module manufacturing method. The method includes the following steps: forming a first heat dissipating layer on a surface of a coil; and securing a magnetic shield part to the surface of the coil away from the first heat dissipating layer. A wireless charging module is manufactured by the method. By completely cover the coil with the first heat dissipating layer in the present disclosure, the first heat dissipating layer possesses excellent heat radiation, effectively improving the heat dissipation of the coil. The thickness of the first heat dissipating layer is controllable. Therefore, an effective and highly stable heat dissipating performance can be provided without increasing the thickness and cost of the wireless charging module.

A wireless charging system for recharging batteries in a medical environment includes a charging station. The charging station may include an opening to receive batteries and an outlet for dispensing charged batteries, wherein the outlet comprises a slot in a front cover. The charging station also includes a wireless power transmitter having a transmitting antenna.

A device comprises a plurality of power converters, a resonator block and a connection block. The plurality of power converters is coupled to a power port having a voltage. Each power converter comprises a plurality of switch networks, and each switch network has a plurality of power switches. The resonator block comprises a plurality of resonators. Each resonator has a resonant capacitor and is coupled to one of the plurality of power converters. The connection block comprises a switching component and is coupled to one of the plurality of resonators, and the connection block and the said resonator are configured such that the device operates in a wireless charging mode with the resonator block activated or a wired charging mode with the connection block activated.