The Furukawa Electric Co., Ltd.

Furukawa Magnet Wire Co., Ltd.

Essex Furukawa Magnet Wire Japan Co., Ltd.

Ryousuke Obika

Makoto Oya

Keiichi Tomizawa

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, containing a metallic conductor, an insulating coating layer formed thereon, and a self-lubricating layer formed as an outermost layer on the insulating coating layer; in which the self-lubricating layer is made by mixing a polyamideimide resin coating with a stabilized isocyanate compound, a wax and an antioxidant; and in which a resin coating layer composed of the insulating coating layer and the self-lubricating layer has a dynamic hardness DH represented by formula, DH=3.8584&#xd7;P/(D&#xd7;D), of 0.6 or more; in which P (mN) represents a load when a triangular pyramid indenter with tip angle of 115&#xb0; is pressed against the surface of the resin coating layer, and D (&#x3bc;.m) represents the indentation depth by the triangular pyramid indenter to the surface of the resin coating layer.

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Tokyo, Japan

Ryousuke Obika