Abstract: An insulated wire including conductor, and a first resin layer formed on an outer periphery of the conductor, wherein the first resin layer includes an insulating resin including inorganic fine particles and an unreacted organic metal. An insulated wire including a conductor, a second resin layer formed on an outer periphery of the conductor and including an insulating resin that contains inorganic fine particles, and a third resin layer formed under the second resin layer and including an unreacted organic metal.

Abstract: An insulating varnish includes a polyamide-imide resin including a repeat unit represented by Formula (1) below derived from a synthesis reaction between a resin component (X) and a diisocyanate component (Y). The resin component (X) is derived from a synthesis reaction between a diamine component including aromatic diamines including g a divalent aromatic group (R) including three or more aromatic rings, and an acid component in the presence of an azeotrope solvent. The diisocyanate component (Y) includes a 2,4?-diphenylmethane diisocyanate (Y1) and a 4,4?-diphenylmethane diisocyanate (Y2). In Formula (1), R denotes the divalent aromatic group including three or more aromatic rings, and m and n denote an integer of from 1 to 99.

Abstract: An insulated wire includes a conductor, and an insulating coating provided around the conductor, and including a polyamide imide layer comprising a polyamide imide consisting essentially of a structural unit represented by Formula (1) below, and Ar in Formula (1) mainly containing an aromatic group represented by Formula (2) below.

Abstract: An insulated wire includes a flat type conductor, and an insulating film on an outer periphery of the flat type conductor. The insulating film includes a polyimide layer including a polyimide and having a breaking elongation percentage of more than 80%.

Abstract: An insulated wire including a conductor, and an insulating film formed by coating and baking an insulating varnish on the conductor directly or via another insulation layer. The insulating varnish includes a phenolic hydroxyl group-containing polyimide resin represented by a chemical formula (1): where X is a tetravalent aromatic group composing an aromatic tetracarboxylic dianhydride residue, Y1 is a divalent aromatic group including one or more phenolic hydroxyl groups and Y2 is a divalent aromatic group not including a phenolic hydroxyl group A ratio of the number Z1 of phenolic hydroxyl groups included in Y1 of the chemical formula (1) to the number Z2 of an imide group included in the chemical formula (1) is 0.15?Z1/Z2?0.85.

Abstract: A polyamide-imide resin insulating varnish includes an amic acid-containing amide compound including a repeating unit represented by a general formula (1): where X is a divalent organic group, and R1 is a divalent organic group derived from a diamine.

Abstract: An insulated electric wire includes a conductor and an insulating coating provided around a perimeter of the conductor. The insulating coating includes a first insulating coating film around the perimeter of the conductor, the first insulating coating film being formed of a resin containing an imide structure in its molecule, and a second insulating coating film around a perimeter of the first insulating coating film, the second insulating coating film being formed of a polyimide resin comprising a repeat unit represented by Formula 1, and having an imide concentration of not less than 15% and not more than 36%, wherein R1 is a tetravalent group derived from decarboxylation of an aromatic tetracarboxylic acid, and R2 is a divalent group derived from deamination of an aromatic diamine.

Abstract: A polyamide-imide resin insulating coating material includes an polyamic acid having a thermally crosslinkable reactive group, and an amide compound having a thermally crosslinkable reactive group. The polyamic acid includes an acid synthesized using at least a diamine component, a tetracarboxylic dianhydride and a cross-linking agent as raw materials. The cross-linking agent includes an amino group or an anhydride group and a thermally crosslinkable reactive group. The amide compound includes a compound synthesized using at least a carboxylic acid compound and a diisocyanate component as raw materials. The carboxylic acid compound includes a thermally crosslinkable reactive group that is crosslinkable with the cross-linking agent contained in the polyamic acid.

Abstract: An insulating coating material includes a polyamide-imide resin insulating coating material, and surface-treated inorganic fine particles dispersed in the polyamide-imide resin insulating coating material. A viscosity measured by an E-type viscometer is 1000 to 4000 mPa·s at 30° C. and at a shear rate of 200 s-1 and 4000 to 12000 mPa·s at 30° C. and at a shear rate of 1 s-1. An insulated wire includes a rectangular conductor, and an insulating layer formed on the rectangular conductor and including the insulating coating material.

Abstract: It is an objective of the present invention to provide an insulated wire having partial discharge resistance comparable to or higher than those of conventional insulated wires even in unstable operating environments. There is provided an insulated wire including: a wire conductor; a first insulation coating formed around the wire conductor, the first insulation coating including inorganic fine particles dispersed therein; and a second insulation coating formed between the first insulation coating and the wire conductor, a relative dielectric constant of the second insulation coating being lower than that of the first insulation coating.

Abstract: An insulation coating for electric wires has a resin coating made from polyimide resin or polyamide-imide resin as a constituent resin, the insulation coating being formed by dispersing phenyl trialkoxysilane and pure water in the resin coating. The phenyl trialkoxysilane is included 3 to 100 parts by weight for the constituent resin of 100 parts by weight in the resin coating.

Abstract: A polyamide-imide resin insulating coating material includes a polyamide-imide resin produced by reacting an aromatic diisocyanate component with a composition obtained by a synthesis reaction of a diamine component with an acid component that includes an aromatic tricarboxylic acid anhydride component (A) and an aromatic tetracarboxylic dianhydride component (B). The aromatic tetracarboxylic dianhydride component (B) includes an aromatic tetracarboxylic dianhydride component (B-1) having not less than four aromatic rings.

Abstract: An imaging apparatus includes an electron emission array having electron sources arranged in matrix form, a photoelectric conversion film opposed to the electron emission array, and a control and drive circuit configured to select one or more horizontal scan lines in a given video signal output period and to cause the electron sources included in the selected one or more horizontal scan lines to emit electrons toward the photoelectric conversion film, wherein the control and drive circuit is further configured to cause the electron sources included in the selected one or more horizontal scan lines to emit electrons toward the photoelectric conversion film in any one or more blanking periods excluding both a blanking period immediately following the given video signal output period and a blanking period immediately preceding a next video signal output period in which the one or more horizontal scan lines will be selected next time.

Abstract: A polyamide-imide resin insulating varnish includes an aromatic diamine component, an aromatic diisocyanate component, an acid component including an aromatic tricarboxylic acid anhydride, and a solvent. The aromatic diamine component includes an aromatic diamine with three or more benzene rings and an aromatic diamine with two or less benzene rings. The aromatic diamine with three or more benzene rings and the aromatic diamine with two or less benzene rings are added 99/1 to 30/70 in mole ratio.

Abstract: An insulation-coated wire has a conductor, and a semiconductive layer provided at an outer periphery of the conductor. The semiconductive layer has a resin coating including metal fine particles dispersed in a base resin, in which an average particle diameter of the metal fine particles is not greater than 1 ?m.

Abstract: A insulated wire includes a conductor, and an insulating coating on a periphery of the conductor. The insulating coating includes an insulating film formed by applying and baking a polyester imide resin insulating coating material, and the insulating film has a relative permittivity of less than 3.5 both in a dried state and in a moisture-absorbed state. The insulating film is formed by applying and baking a polyester imide resin insulating coating material including an imide dicarboxylic acid and an alcohol component, the imide dicarboxylic acid being obtained by synthesizing a diamine component including aromatic diamine having not less than three aromatic rings and an acid component including aromatic tricarboxylic acid anhydride.

Abstract: An insulating varnish includes a polyamide-imide resin varnish including a solvent and a polyamide-imide resin, and an organosol. The polyamide-imide resin varnish is obtained by a synthesis reaction between a resin component (X) and an isocyanate component (Y). The resin component (X) is obtained by a synthesis reaction between a diamine component and an acid component in presence of an azeotropic medium. The diamine component includes aromatic diamines including a divalent aromatic group having three or more aromatic rings. The isocyanate component (Y) includes a diisocyanate (Y1) a molecule of which includes a bend structure.

Abstract: Electron-emissive drive units of electron-emissive elements capable of being arranged with a smaller pitch. FET and emitter array units exist in matrix element areas partitioned by a control wiring and data wiring. An exemplary unit is composed of four emitter arrays. The control wiring and data wiring are driven by first and second drive circuits, respectively. Corresponding arrays between units are connected by selection wiring and driven by a third drive circuit. The third drive circuit drives each unit of data wiring every time the drive circuit sequentially drives the four units of control wiring, and the emitter array drive circuit drives each emitter array selection wiring every time the drive circuit sequentially drives the three units of data wiring. Electrons can be emitted in units of arrays smaller than the unit.

Abstract: An insulating varnish includes a polyamide-imide resin including a repeat unit represented by Formula (1) below derived from a synthesis reaction between a resin component (X) and a diisocyanate component (Y). The resin component (X) is derived from a synthesis reaction between a diamine component including aromatic diamines including g a divalent aromatic group (R) including three or more aromatic rings, and an acid component in the presence of an azeotrope solvent. The diisocyanate component (Y) includes a 2,4?-diphenylmethane diisocyanate (Y1) and a 4,4?-diphenylmethane diisocyanate (Y2). In Formula (1), R denotes the divalent aromatic group including three or more aromatic rings, and m and n denote an integer of from 1 to 99.

Abstract: An insulated wire includes a conductor, and an insulating covering layer formed on a periphery of the conductor and including two or more insulating coatings. The insulating coatings include a polyamide-imide resin insulating material represented by chemical formula 1: where R indicates a divalent aromatic diamine including three or more aromatic rings. The insulating coatings are formed by applying and baking the polyamide-imide resin insulating material, and the polyamide-imide resin insulating material is obtained by reacting an imide group containing dicarboxylic acid with a diisocyanate, the imide group containing dicarboxylic acid being obtained by dehydration reaction of a diamine comprising a divalent aromatic diamine including three or more aromatic rings with an acid using an azeotropic solvent.