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.

A process for producing a coated electrical steel strip includes application of a pretreatment layer over a first flat side of a rolled electrical steel strip. The layer thickness of the pretreatment layer is in the range from 10 nm to 100 nm, in particular from 20 nm to 50 nm. The rolled electrical steel strip which has been coated with the pretreatment layer is then coated with an insulating lacquer layer over the pretreatment layer. The insulating lacquer layer is applied by roll application using a roll and no deliberate drying and/or crosslinking of the pretreatment layer is carried out after application of the pretreatment layer and before coating with the insulating lacquer layer.

Provided is an electrodeposition dispersion including a polyamide-imide resin, a polar solvent, water, a poor solvent, and a base, in which the polar solvent is an organic solvent having a boiling point of higher than 100 C. and D.sub.(S-P) represented by a formula (1) satisfying a relationship of D.sub.(S-P)<6, and a weight-average molecular weight of the polyamide-imide is 1010.sup.4 to 3010.sup.4 or a number-average molecular weight of the polyamide-imide is 210.sup.4 to 510.sup.4.

D.sub.(S-P)=[(dD.sup.SdD.sup.P).sup.2+(dP.sup.SdP.sup.P).sup.2+(dH.sup.SdH.sup.P).sup.2].sup.1/2(1)

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:

T100 m (1.1)

Tmax100 m (1.2)

1.53.5 (2.1)

1.0max/min1.2 (2.2) a coil; and an electrical or electronic equipment.

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 0.910.sup.7 to 1.210.sup.8 Pa; a coil, comprised of this insulated wire; and an electrical or electronic equipment.

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 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.

A die with alignment mechanism includes a die including a through-hole through which a traveling wire travels, a bearing member for rotationally moving the die in a circumferential direction of the traveling wire, and a movable member that moves the die so that a central axis of the through-hole is aligned with a travel direction of the traveling wire without inhibiting the rotational movement of the die produced by the bearing member when the travel direction changes in a direction orthogonal to the travel direction.

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 m and 10 m or less; a method of producing the insulated wire; a coil; a rotating electrical machine; and an electrical or electronic equipment.

A microfabricated laminated conductor, comprising at least two flat metallic conductors held together parallel by their edges by a first dielectric material anchor, such that there exists a gap of between several nanometers and several micrometers between most of the at least two flat metallic conductors.

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.