Insulated wire, coil and electric or electronic equipment
AssigneesFurukawa Electric Co., Ltd., Furukawa Magnet Wire Co., Ltd.
InventorMakoto Oya
Life of this patent
Estimating the term…
Abstract
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: a coil; and an electric or electronic equipment.
Claims7
An insulated wire, comprising:
- a conductor;
- an adhesion layer composed of a polyimide resin, which is provided in direct contact with the conductor;
- and
- an insulating layer with a film thickness of 20 μm or more, composed of a polyimide resin, which is provided on the adhesion layer,
- wherein, 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;
- wherein, 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:
- and
- wherein the insulating layer is composed of two or more layers, and a difference in the content rate of the total formula weight of the imide structure between insulating layers adjacent to each other is from 4.0 to 10.0%.
Dependencies are inferred from the claim text.