The Furukawa Electric Co., Ltd.

Furukawa Magnet Wire Co., Ltd.

Denso Corporation

Essex Furukawa Magnet Wire Japan Co., Ltd.

Makoto Oya

Daisuke Muto

Keiichi Tomizawa

Hideo Fukuda

Keisuke Ikeda

Tsuneo Aoi

Makoto Onodera

Satoko Yamoto

Kenji Fujimori

Akira Tanaka

Takashi Aoki

Akio Sugiura

Isao Tomomatsu

Shinichi Matsubara

Dai Fujiwara

Hiromitsu Asai

Yousuke Kokubo

Ryosuke Obika

Ryousuke Obika

Satoshi Naka

Yoshihisa Kano

Tatsunori Makishima

An insulated wire having at least one layer of coating of the wire, comprising a thermosetting resin layer, at the outer periphery of a conductor, wherein the thermosetting resin layer is comprised of thermosetting resin layers having a laminated structure formed by coating and baking a thermosetting resin varnish; and wherein, in said laminated structure, an innermost layer having contact with the conductor comprises a thermosetting resin having an imide bond and is a layer having an average thickness of more than 5 &#x3bc;m and 10 &#x3bc;m or less; a method of producing the insulated wire; a coil; a rotating electrical machine; and an electrical or electronic equipment.

Insulated wire, method of producing insulated wire, coil, rotating electrical machine, and electrical or electronic equipment

Insulated wire, coil and electrical or electronic equipment

An insulated wire, containing a conductor, an adhesion layer provided in direct contact with the conductor, and an insulating layer composed of a polyimide resin, which is provided on the adhesion layer, in which, in the adhesion layer, the content rate of a total formula weight of an imide structure represented by Formula (a) in a polyimide resin skeleton is 27% or more and 33% or less; and, in the polyimide resin of the insulating layer, the content rate of a total formula weight of the imide structure in a polyimide resin skeleton is more than 27% and 37% or less: 

Insulated wire, coil and electric or electronic equipment

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,

Insulated wire excellent in bending resistance, as well as coil and electric or electronic equipment using the same

An insulated wire, having at least one thermosetting resin layer and at least one thermoplastic resin layer in this order, as covering layers, on a conductor having a quadrilateral cross-section, wherein, in a coating thickness of the covering layers, in each side to be formed on 4 sides of the quadrilateral cross-section of said insulated wire, a difference between the maximum value and the minimum value is each 20 &#x3bc;m or less, and a value of the maximum value divided by the minimum value of the whole sides is 1.3 or more; a motor coil; and an electrical or electronic equipment.

Insulated wire, motor coil, and electrical or electronic equipment

An inverter surge-resistant insulated wire comprising a conductor and an enamel resin-insulating laminate that has a foamed region including cells and a non-foamed region including no cells on at least one surface of the foamed region on the conductor, wherein the foamed region is configured such that a non-cell layer including no cells has cell layers formed of closed cells on both surface sides of the non-cell layer, a thickness of the non-cell layer is larger than a thickness of a partition wall among the closed cells, and 5 to 60% of a thickness of the foamed region, and at least 10 the cell layer in the foamed region is formed of a thermosetting resin; an inverter surge-resistant insulated wire having a conductor and the enamel resin-insulating laminate; and electric/electronic equipment.

Enamel resin-insulating laminate, inverter surge-resistant insulated wire using the same and electric/electronic equipment

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 &#x3bc;m or more and 250 &#x3bc;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&#x2212;&#x3a3;W)/360]&#xd7;100 W: 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 &#x3b2; angle of 0&#xb0; or more and 360&#xb0; or less.

Insulated wire, coil, and electric or electronic equipment

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.

Insulated wire and rotating electrical machine

An insulated wire, containing: a rectangular conductor; and a thermoplastic resin layer on the rectangular conductor, wherein an adhesion strength between the thermoplastic resin layer and the rectangular conductor for a pair of sides of the rectangular conductor opposed to and an adhesion strength between the thermoplastic resin layer and the rectangular conductor for the other pair of sides of the rectangular conductor opposed to are different from each other.

Insulated wire and coil

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 tof the corner portion of the thermosetting resin layer and thickness tof the corner portion of the thermoplastic resin layer satisfy a relation expressed by the following Formula 1:2/1&#x3c;1;&#x2003;&#x2003;Formula 1:and a method of producing thereof, a motor coil, and an electric/electronic equipment.

Insulated wire, motor coil, electric/electronic equipment and method of producing insulated wire

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.

Insulated wire and method of producing the same

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 &#x3bc;m, and a thickness of a thinnest thermoplastic resin layer is 5 to 20 &#x3bc;m; and a coil formed by winding processing the insulated wire and an electrical equipment having the coil.

Insulated wire, coil, and electronic/electrical equipment

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&#xb0; C. or higher when the thermoplastic resin is a crystalline resin or a thermoplastic resin having a glass transition temperature of 240&#xb0; 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.

Insulated wire, electrical equipment, and method of producing insulated wire

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.

Rectangular insulated wire and electric generator coil

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 0.90 or less; a coil, and electric/electronic equipment.

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Tokyo, Japan

Makoto Oya