According to an aspect of the present invention, a wireless power transmitting apparatus of a wireless charging system includes a substrate, a first bonding layer formed on the substrate, a soft magnetic layer formed on the first bonding layer, a second bonding layer formed on the soft magnetic layer and a transmitting coil formed on the second bonding layer, wherein at least one of the first bonding layer and the second bonding layer includes a magnetic substance.

According to an aspect of the present invention, a wireless power transmitting apparatus of a wireless charging system includes a substrate, a first bonding layer formed on the substrate, a soft magnetic layer formed on the first bonding layer, a second bonding layer formed on the soft magnetic layer and a transmitting coil formed on the second bonding layer, wherein at least one of the first bonding layer and the second bonding layer includes a magnetic substance.

A method for manufacturing a laminated iron core includes setting a blanking position on a strip-shaped workpiece for iron core pieces each including a yoke piece part having a linear shape and a magnetic pole piece part extending from the yoke piece part, such that a pair of iron core pieces are opposed each other and the magnetic pole piece part of one iron core piece is arranged between adjacent magnetic pole piece parts of the other iron core piece among the pair of iron core pieces, simultaneously blanking a front end side of the magnetic pole piece part and a back surface side of the yoke piece part of the one iron core piece from the strip-shaped workpiece before simultaneously blanking those of the other iron core piece from the strip-shaped workpiece, and blanking the iron core pieces from the strip-shaped workpiece.

A magnetic field applicator for the magnetic stimulation of body tissues comprising a core carrier (1) in which a plurality of magnetically conductive flow guide pieces comprised of layered iron sheets is disposed, upon which at least one live coil (3) is disposed that generates an upward-emitted magnetic field having a plurality of field line bundles (8), wherein the magnetic field applicator comprises a polygonal coil (3) that is wound as a pancake coil in one or more planes in such a way that the direction of the individual coil conductors (27) is selected such that the coil conductors (27) run in pieces in a predominantly straight line and perpendicular to the plane of the flow guide pieces that are made of layered sector iron cores (5-8).

A magnetic field applicator for the magnetic stimulation of body tissues comprising a core carrier (1) in which a plurality of magnetically conductive flow guide pieces comprised of layered iron sheets is disposed, upon which at least one live coil (3) is disposed that generates an upward-emitted magnetic field having a plurality of field line bundles (8), wherein the magnetic field applicator comprises a polygonal coil (3) that is wound as a pancake coil in one or more planes in such a way that the direction of the individual coil conductors (27) is selected such that the coil conductors (27) run in pieces in a predominantly straight line and perpendicular to the plane of the flow guide pieces that are made of layered sector iron cores (5-8).

Disclosed are a common mode filter and a manufacturing method thereof. The common mode filter in accordance with an aspect of the present invention includes: a substrate; a filter layer including a coil and a dielectric layer and disposed on the substrate and configured to remove a signal noise; and a magnetic layer being laminated on the filter layer, and a surface of the filter layer being joined with the magnetic layer can be formed to be flat by having the coil embedded in a surface of the filter layer being joined with the magnetic layer in such a way that one surface of the coil is exposed.

Disclosed are a common mode filter and a manufacturing method thereof. The common mode filter in accordance with an aspect of the present invention includes: a substrate; a filter layer including a coil and a dielectric layer and disposed on the substrate and configured to remove a signal noise; and a magnetic layer being laminated on the filter layer, and a surface of the filter layer being joined with the magnetic layer can be formed to be flat by having the coil embedded in a surface of the filter layer being joined with the magnetic layer in such a way that one surface of the coil is exposed.

Disclosed is a magnetic domain refining method for radiating a laser beam to a surface of a directional electrical steel plate at intervals, which is capable of further reducing noise along with an iron loss reduction effect and further improving iron loss and noise reduction effects in an area where the directional electrical steel plate are bonded together, such as the joint part of the iron core of a transformer. Irradiated radiations formed by a laser beam in at least any one area of the directional electrical steel plate are unfolded in a fan rib form using one point of the directional electrical steel plate as a central point.

Disclosed is a magnetic domain refining method for radiating a laser beam to a surface of a directional electrical steel plate at intervals, which is capable of further reducing noise along with an iron loss reduction effect and further improving iron loss and noise reduction effects in an area where the directional electrical steel plate are bonded together, such as the joint part of the iron core of a transformer. Irradiated radiations formed by a laser beam in at least any one area of the directional electrical steel plate are unfolded in a fan rib form using one point of the directional electrical steel plate as a central point.

An adhesively-laminated core includes: a plurality of electrical steel sheets which are stacked on each other and of which both surfaces are coated with an insulation coating; and an adhesion part which is provided between the electrical steel sheets adjacent to each other in a stacking direction and adheres the electrical steel sheets to each other, wherein an adhesive forming the adhesion part contains an organic resin and an inorganic filler, wherein a 50% particle size of the inorganic filler is 0.2 to 3.5 μm, wherein a 90% particle size of the inorganic filler is 10.0 μm or less, and wherein an amount of the inorganic filler is 5 to 50 parts by mass with respect to 100 parts by mass of the organic resin.