Abstract: The present invention has an object of providing a reactor including cores with higher heat dissipation and a coil with less eddy-current loss. A reactor according to the present invention includes: a plurality of divided cores having a shape obtained by dividing an annular core in a circumferential direction, the divided cores being made of a soft magnetic material; a core gap part disposed between the divided cores in the annular core formed by combining the plurality of divided cores, the core gap part being made of a non-magnetic material; annular heat-dissipating cases that house the divided cores and the core gap part; and a coil wound around the heat-dissipating cases, wherein the heat-dissipating cases are made of a material whose thermal conductivity is as high as 100 W/(m·K) or more.

Abstract: An insulated wire includes an assembled conductor obtained by assembling or twisting a plurality of strands; an insulating layer coating an outer periphery of the assembled conductor; and a filler region that fills a space between the strands and a space between the strands and the insulating layer and includes a thermoplastic resin.

Abstract: An insulated wire, containing a conductor and an insulating film provided in contact with the conductor, in which the insulating film provided in contact with the conductor contains a polyimide resin, and the polyimide resin contains a constituting unit (A) derived from 2,2-bis[4-(4-amininophenoxy)phenyl]propane and a constituting unit (B) derived from 9,9-bis(4-aminophenyl)fluorene as a diamine-derived constituting unit; the polyimide resin has an imide group concentration of 25.0% or less; and the ratio of the content of the constituting unit (B) occupied in the diamine-derived constituting unit in the polyimide resin is 1 to 40 mol %.

Abstract: An insulated wire including: a conductor; and an insulating film provided on an outer periphery of the conductor, wherein the insulating film satisfies the following relation between a relative permittivity (?) of the insulating film at 0.2 atm and a relative permittivity (?0) of an outermost layer of the insulating film at 0.2 atm. ??3.0 and ?0/??1.2.

Abstract: An assembled wire has a substantially rectangular cross section, and is formed by assembling a plurality of strands. Each strand has a conductor portion and a strand insulating layer covering the conductor portion. At least a part of the assembled plurality of strands in the longitudinal direction is covered with an outer insulating layer. The strand is formed as follows. First, the strand insulating layer is coated on the outer periphery of the conductor portion. A large number of voids are formed in a resin constituting the strand insulating layer. From this state, the strand is formed, for example, by collapsing the strand insulating layer by heating and pressurizing. At this time, it is possible to uniformly collapse the strand insulating layer by crushing the internal voids. Therefore, the voids in the strand are crushed and flattened in the thickness direction of the strand insulating layer over the entire periphery.

Abstract: An assembled wire, having: an assembled conductor composed of a plurality of conductor strands each having a rectangular cross-section, stacked and arranged each other across an interlayer insulating layer; an insulating outer layer that coats the assembled conductor including the interlayer insulating layer; and an adhesion layer composed of a thermoplastic resin having a thickness of 3 ?m or more and 10 ?m or less between the assembled conductor and the insulating outer layer.

Abstract: Provided is an assembled wire 10 having a substantially rectangular cross section, and is formed by assembling a plurality of strands 7. Each strand 7 has a conductor portion 11 and a strand insulating layer 13 covering the conductor portion 11. The strand insulating layer 13 preferably contains at least one kind of resin in which 50% weight loss in Tg-DTA occurs at from 300° C. to 500° C. The strand insulating layer 13 contains particles. The particles are particles having volume resistivity of 1×106 ?·cm or more, and, for example, inorganic substances such as silica, titania, alumina, aluminum nitride, magnesium oxide, silicon nitride, and silicon carbide; and resins such as silicone are applicable.

Abstract: An insulated wire, containing a conductor and an insulating film provided in contact with the conductor, in which the insulating film provided in contact with the conductor contains a polyimide resin, and the polyimide resin contains a constituting unit (A) derived from 2,2-bis[4-(4-amininophenoxy)phenyl]propane and a constituting unit (B) derived from 9,9-bis(4-aminophenyl)fluorene as a diamine-derived constituting unit; the polyimide resin has an imide group concentration of 25.0% or less; and the ratio of the content of the constituting unit (B) occupied in the diamine-derived constituting unit in the polyimide resin is 1 to 40 mol %.

Abstract: An insulated wire, containing a conductor, and an insulating film provided on the periphery of the conductor, in which the insulating film contains a polyimide resin, and the polyimide resin contains the following constituting unit (a) as a tetracarboxylic dianhydride-derived constituting unit and the following constituting unit (b) as a diamine-derived constituting unit, among the constituting units of the polyimide: (a) a constituting unit having a skeleton derived from pyromellitic anhydride and/or a constituting unit having a skeleton derived from 3,3?,4,4?-biphenyltetracarboxylic dianhydride; and (b) a constituting unit having a skeleton derived from 9,9-bis(4-aminophenyl)fluorene.

Abstract: Provided is an assembled wire 10 having a substantially rectangular cross section, and is formed by assembling a plurality of strands 7. Each strand 7 has a conductor portion 11 and a strand insulating layer 13 covering the conductor portion 11. The strand insulating layer 13 preferably contains at least one kind of resin in which 50% weight loss in Tg-DTA occurs at from 300° C. to 500° C. The strand insulating layer 13 contains particles. The particles are particles having volume resistivity of 1×106 ?·cm or more, and, for example, inorganic substances such as silica, titania, alumina, aluminum nitride, magnesium oxide, silicon nitride, and silicon carbide; and resins such as silicone are applicable.

Abstract: Provided are an insulated wire material including: a conductor including a single core conductor or a plurality of divided conductors placed in parallel to each other or helically placed; and a peripheral insulating layer with which a periphery of the conductor is coated includes a welding member at at least one end portion of the conductor via a welded portion, a manufacturing method thereof, a coil including the insulated wire material, and electrical/electronic equipment including the coil.

Abstract: An assembled wire has a substantially rectangular cross section, and is formed by assembling a plurality of strands. Each strand has a conductor portion and a strand insulating layer covering the conductor portion. At least a part of the assembled plurality of strands in the longitudinal direction is covered with an outer insulating layer. The strand is formed as follows. First, the strand insulating layer is coated on the outer periphery of the conductor portion. At this time, a large number of voids are formed in a resin constituting the strand insulating layer. From this state, the strand is formed, for example, by collapsing the strand insulating layer by heating and pressurizing. At this time, it is possible to uniformly collapse the strand insulating layer by crushing the internal voids. Therefore, the voids in the strand are crushed and flattened in the thickness direction of the strand insulating layer over the entire periphery.

Abstract: An insulated wire, containing: a conductor having a rectangular cross-section; and an insulating coated film having at least two insulating layers laminated together on the conductor, wherein the laminated insulating coated film is composed of: an enamel insulating layer formed from a thermosetting resin on the outer periphery of the conductor, and an extruded insulating layer formed from a thermoplastic resin on the outer side of the enamel insulating layer, wherein the thickness of the enamel insulating layer is 50 ?m or more, and wherein the total thickness (T) and the relative permittivity (?) at 100° C. of the laminated insulating coated film; and the maximum thickness (Tmax), and the maximum value (?max) and the minimum value (?min) of the relative permittivity at 100° C. of one layer among the laminated insulating layers; satisfy all of the following relations: T?100 ?m??(1.1) Tmax?100 ?m??(1.2) 1.5???3.5??(2.1) 1.0??max/?min?1.2??(2.2) a coil; and an electrical or electronic equipment.

Abstract: An insulated wire, having: a single conductor or multiple conductors; an insulating layer on the outer periphery of the single conductor or each of the multiple conductors; and an adhesion layer on the outer periphery of the insulating layer, wherein the thickness of the adhesion layer is 2 to 200 ?m, wherein a resin constituting the adhesion layer does not have a melting point, wherein the resin constituting the adhesion layer has a tensile modulus of 0.6×107 to 10×107 Pa at 250° C., and wherein a substance having 2 or more amino groups exists on the surface of the adhesion layer; a coil containing the insulated wire; and an electrical or electronic equipment using the coil.

Abstract: An insulated wire, having: an insulating layer on the outer periphery of a conductor having a rectangular cross-section; an adhesive layer on the outer periphery of the insulating layer; and an insulating paper on the outer periphery of the adhesive layer, wherein the adhesive layer has a thickness of 2 to 50 ?m, and wherein a resin constituting the adhesive layer does not have a melting point and has a tensile modulus at 250° C. of 0.9×107 to 1.2×108 Pa; a coil, comprised of this insulated wire; and an electrical or electronic equipment.

Abstract: An insulated wire having a thermosetting resin layer on the outer periphery of a conductor and a thermoplastic resin layer on the outer periphery of the thermosetting resin layer, wherein a total thickness of the thermosetting resin layer and the thermoplastic resin layer is 100 ?m or more and 250 ?m or less, and a degree of orientation of a thermoplastic resin in said thermoplastic resin layer, that is calculated by the following Formula 1, is 20% or more and 90% or less; a coil and an electric and electronic equipment each having the insulated wire. Formula 1 Degree of orientation H (%)=[(360??Wn)/360]×100 Wn: A half width of orientation peak in the azimuth angle intensity distribution curve by X-ray diffraction n: the number of orientation peak at a ? angle of 0° or more and 360° or less.

Abstract: An insulated wire, having: a single conductor or multiple conductors; an insulating layer on the outer periphery of the single conductor or each of the multiple conductors; and an adhesion layer on the outer periphery of the insulating layer, wherein the thickness of the adhesion layer is 2 to 200 ?m, wherein a resin constituting the adhesion layer does not have a melting point, wherein the resin constituting the adhesion layer has a tensile modulus of 0.6×107 to 10×107 Pa at 250° C., and wherein a substance having 2 or more amino groups exists on the surface of the adhesion layer; a coil containing the insulated wire; and an electrical or electronic equipment using the coil.

Abstract: A rectangular wire having: a multilayer conductor member constructed by stacking, in a thickness direction, a rectangular metallic conductor that has a layer of a first thermoplastic resin formed on the outer periphery thereof, the first thermoplastic resin being a non-crystalline resin having no melting point or a crystalline resin having an amide bond; and a layer of a second thermoplastic resin having a melting point of 300° C. or more on the outer periphery of the multilayer conductor member.

Abstract: A rectangular wire having: a multilayer conductor member constructed by stacking, in a thickness direction, a rectangular metallic conductor that has a layer of a thermosetting resin formed on the outer periphery thereof, the thermosetting resin having a glass transition temperature of 100° C. or more and 200° C. or less and having a urethane bond; and a layer of a thermoplastic resin having a melting point of 300° C. or more on the outer periphery of the multilayer conductor member.

Abstract: An insulated wire having a thermosetting resin layer on the outer periphery of a conductor, and a thermoplastic resin layer on the outer periphery of the thermosetting resin layer, wherein a total thickness of the thermosetting resin layer and the thermoplastic resin layer is 100 ?m or more and 250 ?m or less, and a degree of orientation of a thermoplastic resin in said thermoplastic resin layer, that is calculated by the following Formula 1, is 20% or more and 90% or less; a coil and an electric and electronic equipment each having the insulated wire. Degree of orientation H (%)=[(360-?Wn)/360]×100 ??Formula 1 Wn: A half width of orientation peak in the azimuth angle intensity distribution curve by X-ray diffraction n; the number of orientation peak at a ? angle of 0° or more and 360° or less.