Abstract: An insulated wire having an insulating coat layer on the conductor outer peripheral surface having a rectangular cross-sectional shape and also having a long side, a short side, and a corner portion with a curvature radius Rc, wherein a thickness t1 of the insulating coat layer covered on the surface, and which layer includes a long side, a thickness t2 of the insulating coat layer covered on the surface, and which layer includes a short side, and a corner portion thickness t3 of the insulating coat layer satisfy formula (1): t3/{(t1+t2)/2}?1.2 ??Formula (1) wherein the t1 and t2 are each independently from 20 ?m to 50 ?m, and wherein a ratio of the conductor cross-sectional area Sc to the insulated wire cross-sectional area Sw satisfies formula (2) 1.0>Sc/Sw?0.8; ??Formula (2) as well as a coil and an electric or electronic equipment using the same.

Abstract: An insulated wire, having at least one foamed insulating layer composed of a thermosetting resin having bubbles, directly or indirectly on an outer periphery of a conductor, wherein the foamed insulating layer has a different bubble density in a thickness direction thereof; and a rotating electrical machine.

Abstract: An insulated wire having a conductor, and a multilayer insulating layer composed of two or more layers coating the conductor, wherein the innermost insulating layer of the multilayer insulating layer is an insulating layer formed of a crystalline thermoplastic resin having a storage elastic modulus of 10 MPa or more at 300° C. and outer insulating layer(s) other than the innermost insulating layer include(s) an insulating layer formed of a crystalline thermoplastic resin having a melting point of 260° C. or higher and a storage elastic modulus of 1,000 MPa or more at 25° C., and adjacent insulating layers have a relationship such that the storage elastic modulus at 25° C. of the thermoplastic resin of the outer insulating layer is equal to or smaller than the inner insulating layer; and electric/electronic equipment formed using the insulated wire as a winding and/or lead wire of a transformer that is incorporated into the electric/electronic equipment.

Abstract: An insulated wire having a conductor, a foamed insulating layer containing a thermosetting resin having cells, coated directly or indirectly onto the outer periphery of the conductor and an outer insulating layer containing a thermoplastic resin having a melting point of 240° C. or higher when the thermoplastic resin is a crystalline resin or a thermoplastic resin having a glass transition temperature of 240° C. or higher when the thermoplastic resin is a non-crystalline resin; electrical equipment using the insulated wire; and a method of producing the insulated wire, containing a step of forming a foamed insulating layer by applying a varnish for forming the foamed insulating layer on the outer periphery of a conductor, by generating foams during baking and a step of forming an outer insulating layer by extrusion-molding a thermoplastic resin composition for forming the outer insulating layer on the outer periphery of the foamed insulating layer.

Abstract: A rectangular insulated wire includes a rectangular conductor having a generally rectangular cross section, a thermosetting resin layer provided to cover the rectangular conductor, and a plurality of thermoplastic resin layers provided on the thermosetting resin layer. An adhesion strength between the thermosetting resin layer and the thermoplastic resin layer is 50 gf/mm to 100 gf/mm.

Abstract: An insulated wire, having at least one layer as an insulation layer, on an outer periphery of a conductor, wherein at least one layer as the insulation layer is composed of a mixed resin of a crystalline resin (A) and a resin (B) having a glass transition temperature higher, by 30° C. or more, than a glass transition temperature of the crystalline resin (A), in which the glass transition temperature is measured by a thermomechanical analysis, and a mixing mass ratio of the mixed resin (a mass of the crystalline resin (A):a mass of the resin (B)) is 90;10 to 51;49; a coil; an electric or electronic equipment; and a method of producing the insulated wire.

Abstract: An insulated wire, containing at least one layer of an electrical wire coating, including an extrusion covering resin layer, on an outer periphery of a conductor, wherein the extrusion covering resin layer is composed of a mixed resin of a resin (A) and a resin (B) each having different relative permittivity, wherein the resin (A) is a specific polyallyletherketone resin selected from polyetheretherketone, or the like, wherein the resin (B) is a non-fluorine-based resin having lower relative permittivity at 200° C., than the resin (A), wherein a mixing mass ratio of the mixed resin {a mass of the resin (A):a mass of the resin (B)} is 90:10 to 51:49, and wherein a value of a ratio of the relative permittivity at 200° C. to the relative permittivity at 25° C. and 50% relative humidity; a coil; an electrical or electronic equipment; and a method of producing the insulated wire.

Abstract: An insulated wire which comprises an aluminum conductor, having: an adhesion layer formed by directly baking, on the aluminum conductor, varnish containing a carboxy group; an insulation layer as an outer layer of the adhesion layer; and a reinforcement insulation layer as an outer layer of the insulation layer; and a method of producing the same.

Abstract: An insulated wire having a conductor coated with at least one layer of an insulating material, and having at least one layer of a bubble layer in a thickness direction in a coating layer, wherein the insulated wire has a part in which a thickness is small in a length direction or a circumferential direction in an identical coating layer; a method of producing the same; a method of producing a stator for a rotating electrical machine; and the rotating electrical machine.

Abstract: An insulated wire including a laminated resin-coated insulated wire containing: a thermosetting resin layer (A) directly or via an insulating layer (D) on a conductor having a rectangular cross-section; and at least a thermoplastic resin layer (B) on the outer periphery of the thermosetting resin layer (A), in which the cross-sectional shape of the thermosetting resin layer (A) composed of two pairs of two sides facing each other, and has at least four convex portions each of which has a film thickness in maximum, at least one convex portion of the at least four convex portions is on each of the four sides, or at least two convex portions of the at least four convex portions are at least on each of the two sides facing each other, and in the each side having the convex portion, provided that a minimum film thickness is designated as “a” pm, and an average of maximum film thicknesses of the convex portions is designated as “b” pm, the a/b ratio is 0.60 or more and 0.

Abstract: An inverter surge-resistant insulated wire has a baked enamel layer(s) around the outer periphery of a conductor having a rectangular cross-section, an extrusion-coated resin layer(s) around the outer side thereof, and an adhesive layer having a thickness of 2-20 ?m between the baked enamel layer and the extrusion-coated resin layer. A cross-sectional shape of the baked enamel layer and the extrusion-coated resin layer in the cross-section of the wire is rectangular. In the cross-sectional shape formed by the baked enamel layer and the extrusion-coated resin layer surrounding the conductor in a cross-sectional view, at least a pair of two sides of two pairs of two sides opposing at the upper side and the downside or at the right side and the left side with respect to the conductor meet the conditions that a total thickness of the baked enamel layer and the extrusion-coated resin layer is 80 ?m or more.

Abstract: An insulated wire in which at least one layer of an insulating material is coated around a conductor, wherein the insulated wire has a part in which relative permittivity is different in a length direction or a circumferential direction in an identical coating layer and a method of producing the same, and a rotating electrical machine and a method of producing the same.

Abstract: An insulated wire, having a thermosetting resin layer, directly or by interposing an insulated layer, on a conductor having a rectangular cross-section, and a thermoplastic resin layer on the thermosetting resin layer, wherein the insulated wire contains a liquid component that is liquid at 25° C., and has a boiling point of 150° C. or higher in a proportion of 1,000 ppm or more and 20,000 ppm or less in the thermosetting resin layer; a coil formed by winding processing the insulated wire; and electrical/electronic equipment having the coil; and a method of preventing cracking of an insulated wire, wherein cracking caused in a thermoplastic resin layer as a covering resin layer is prevented from reaching the thermosetting resin layer by using the insulated wire which contains the liquid component in the proportion of 1,000 ppm or more and 20,000 ppm or less in the thermosetting resin layer.

Abstract: An insulated wire comprising a laminated resin-coated insulated wire containing: a thermosetting resin layer (A) directly or via an insulating layer (D) on a conductor having a rectangular cross-section; and at least a thermoplastic resin layer (B) on the outer periphery of the thermosetting resin layer (A), in which the cross-sectional shape of the thermosetting resin layer (A) composed of two pairs of two sides facing each other, and has at least four convex portions each of which has a film thickness in maximum, at least one convex portion of the at least four convex portions is on each of the four sides, or at least two convex portions of the at least four convex portions are at least on each of the two sides facing each other, and in the each side having the convex portion, provided that a minimum film thickness is designated as “a” ?m, and an average of maximum film thicknesses of the convex portions is designated as “b” ?m, the a/b ratio is 0.60 or more and 0.

Abstract: An insulated wire, having a thermosetting resin covering (A), directly or by interposing an insulating layer (C), on a conductor having a rectangular cross-section, and a thermoplastic resin covering (B) on a periphery of the thermosetting resin covering (A), wherein the thermoplastic resin covering (B) has at least two layers of the thermoplastic resin layers, and the thermoplastic resin layers adjacent to each other are formed of thermoplastic resins different from each other, at least one layer of the thermoplastic resin layers is formed of polyether ether ketone or modified polyether ether ketone, and a total thickness of the thermoplastic resin layers is 60 to 120 ?m, and a thickness of a thinnest thermoplastic resin layer is 5 to 20 ?m; and a coil formed by winding processing the insulated wire and an electrical equipment having the coil.

Abstract: A multilayer insulated wire having a polyester-based resin layer formed of a polyester-based resin containing at least a trihydric or higher hydric alcohol constituent on a conductor, and a PEEK resin layer formed of polyether ether ketone or modified polyether ether ketone, directly or by interposing an intermediate layer, on the polyester-based resin layer; a coil formed by winding processing the insulated wire, and electronic/electrical equipment having the coil.

Abstract: An insulated wire containing: at least one thermosetting resin layer; and at least one thermoplastic resin layer, provided in this order on a conductor having a rectangular cross-section, a curvature radius r of corner portions at both edges of at least one short side of the conductor being 0.6 mm or less, in which thickness t1 of the corner portion of the thermosetting resin layer and thickness t2 of the corner portion of the thermoplastic resin layer satisfy a relation expressed by the following Formula 1: t2/t1<1;??Formula 1: and a method of producing thereof, a motor coil, and an electric/electronic equipment.

Abstract: An insulated wire, containing: a conductor; a foamed insulating layer; and an unfoamed filled layer on the outer circumference of the foamed insulating layer, in which the filled layer contains a partial discharge resistant material, which insulated wire has all of high partial discharge inception voltage, resistance to partial discharge, heat resistance, and abrasion resistance (scratch resistance).

Abstract: An insulated wire having a rectangular shaped cross-section, containing: a conductor having a rectangular shaped cross-section; and an insulating layer coated on the conductor, in which the insulating layer has a foamed layer composed of a thermosetting resin containing bubbles, the cross-section of the insulating layer has a shape composed of a flat portion and a corner portion, and the insulating layer satisfies the relationship represented by the following formula: ?1<3 and (T2/?2)>(T1/?1) wherein T1 [?m] represents a thickness of the flat portion; ?1 represents a relative dielectric constant of the flat portion; T2 [?m] represents a thickness of the corner portion; and ?2 represents a relative dielectric constant of the corner portion, and an electric/electronic equipment, a motor, or a transformer, using the insulated wire.

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.